<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of online_gc at Jungfraujoch (CH0001G)" />
  <attribute name="keywords" value="mole_fraction_of_butane_in_air, air, mole_fraction_of_pentane_in_air, benzene, mass_concentration_of_n-butane_in_air, mole_fraction_of_2_methylpropane_in_air, 2-methylbutane, CH0001G, mole_fraction_of_2_methylbutane_in_air, GAW-WDCGG-node, EMEP, ethane, propane, mass_concentration_of_2-methylbutane_in_air, 2-methylpropane, n-butane, mass_concentration_of_n-pentane_in_air, n-pentane, mole_fraction_of_benzene_in_air, mole_fraction_of_propane_in_air, Jungfraujoch, mole_fraction_of_ethane_in_air, ACTRIS, EMEP_preliminary" />
  <attribute name="id" value="XET4-5R4C.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, EMEP_preliminary, GAW-WDCGG-node" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/XET4-5R4C" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 2-methylbutane, 2-methylpropane, benzene, ethane, n-butane, n-pentane, propane - online_gc at Jungfraujoch, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/XET4-5R4C" />
  <attribute name="summary" value="Ground based in situ observations of online_gc at Jungfraujoch (CH0001G). These measurements are gathered as a part of the following projects ACTRIS, EMEP, EMEP_preliminary, GAW-WDCGG-node and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air), 2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), 2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), benzene in air (mole_fraction_of_benzene_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), ethane in air (mole_fraction_of_ethane_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-butane in air (mass_concentration_of_n-butane_in_air), n-butane in air (mole_fraction_of_butane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), n-pentane in air (mass_concentration_of_n-pentane_in_air), n-pentane in air (mole_fraction_of_pentane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air), propane in air (mole_fraction_of_propane_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2016-10-24T08:36:06 UTC" />
  <attribute name="date_metadata_modified" value="2016-10-24T08:36:06 UTC" />
  <attribute name="creator_name" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="matthias.hill@empa.ch, , matthias.hill@empa.ch, , matthias.hill@empa.ch, , matthias.hill@empa.ch, " />
  <attribute name="creator_institution" value="&quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, , &quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, , &quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, , &quot;Swiss Federal Laboratories for Materials Science and Technology, Air Pollution/Environmental Technology, Empa&quot;, " />
  <attribute name="contributor_name" value="Matz Hill, Matz Hill, Matz Hill, Matz Hill" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (46.5475 7.985 3578.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="46.5475" />
  <attribute name="geospatial_lat_max" type="double" value="46.5475" />
  <attribute name="geospatial_lon_min" type="double" value="7.985" />
  <attribute name="geospatial_lon_max" type="double" value="7.985" />
  <attribute name="geospatial_vertical_min" type="double" value="3578.0" />
  <attribute name="geospatial_vertical_max" type="double" value="3578.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2011-01-01T00:05:00 UTC" />
  <attribute name="time_coverage_end" value="2014-12-17T06:38:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-11-16T06:33:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T02:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 2-methylbutane, 2-methylpropane, benzene, ethane, n-butane, n-pentane, propane - online_gc at Jungfraujoch, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/XET4-5R4C" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="XET4-5R4C.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/XET4-5R4C" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/XET4-5R4C" />
  <attribute name="ebas_file_creation" value="2023-12-13T16:23:46.222025 UTC" />
  <attribute name="ebas_export_state" value="2016-01-07T14:33:31.980000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20110101000500" />
  <attribute name="ebas_revision_date" value="20161024083606" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="2h" />
  <attribute name="ebas_sample_duration" value="20mn" />
  <attribute name="ebas_orig_time_res" value="2h" />
  <attribute name="ebas_station_code" value="CH0001G" />
  <attribute name="ebas_platform_code" value="CH0001S" />
  <attribute name="ebas_station_name" value="Jungfraujoch" />
  <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
  <attribute name="ebas_station_gaw_id" value="JFJ" />
  <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
  <attribute name="ebas_station_land_use" value="Gravel and stone" />
  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="46.5475" />
  <attribute name="ebas_station_longitude" value="7.985" />
  <attribute name="ebas_station_altitude" value="3578.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="CH01L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
  <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
  <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
  <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
  <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="above the roof" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
  <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
  <attribute name="ebas_originator" value="Reimann, Stefan, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Hill, Matz, matthias.hill@empa.ch, Swiss Federal Laboratories for Materials Science and Technology, Empa, Air Pollution/Environmental Technology, Ueberlandstrasse 129, , CH-8600, Duebendorf, Switzerland" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, Matz Hill, Stefan Reimann, 2-methylbutane, 2-methylpropane, benzene, ethane, n-butane, n-pentane, propane - online_gc at Jungfraujoch, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/XET4-5R4C&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;XET4-5R4C.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/XET4-5R4C&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/XET4-5R4C&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-13T16:23:46.222025 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2016-01-07T14:33:31.980000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20110101000500&quot;,&#xA;    &quot;Revision date&quot;: &quot;20161024083606&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;2h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;20mn&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;2h&quot;,&#xA;    &quot;Station code&quot;: &quot;CH0001G&quot;,&#xA;    &quot;Platform code&quot;: &quot;CH0001S&quot;,&#xA;    &quot;Station name&quot;: &quot;Jungfraujoch&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACH__JFJ&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;JFJ&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Jungfraujoch&quot;,&#xA;    &quot;Station land use&quot;: &quot;Gravel and stone&quot;,&#xA;    &quot;Station setting&quot;: &quot;Mountain&quot;,&#xA;    &quot;Station GAW type&quot;: &quot;G&quot;,&#xA;    &quot;Station WMO region&quot;: &quot;6&quot;,&#xA;    &quot;Station latitude&quot;: &quot;46.5475&quot;,&#xA;    &quot;Station longitude&quot;: &quot;7.985&quot;,&#xA;    &quot;Station altitude&quot;: &quot;3578.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;CH01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_gc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Agilent_GC-MS-MEDUSA_Medusa-12_JFJ&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;AGAGE+Agilent+Agilent&quot;,&#xA;    &quot;Instrument model&quot;: &quot;MEDUSA+6890N+5975B&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;Medusa-12&quot;,&#xA;    &quot;Method ref&quot;: &quot;CH01L_VOC_AIR_MEDUSA-12&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Calibration scale&quot;: &quot;NPL&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;above the roof&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Determined by instrument counting statistics, no detection limit flag used&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;Includes reproducibility (precision) + systematic errors (accuracy)&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values don't appear because data was processed and zero/neg data taken out&quot;,&#xA;    &quot;Organization&quot;: &quot;CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., &quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, &quot;,&#xA;    &quot;Originator&quot;: &quot;Reimann, Stefan, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Hill, Matz, matthias.hill@empa.ch, Swiss Federal Laboratories for Materials Science and Technology, Empa, Air Pollution/Environmental Technology, Ueberlandstrasse 129, , CH-8600, Duebendorf, Switzerland&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="18475" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="2-methylbutane_ng_per_m3_amean_qc_flags" length="1" />
  <dimension name="2-methylbutane_pmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="2-methylbutane_ng_per_m3_ExpUnc2s_qc_flags" length="1" />
  <dimension name="2-methylbutane_pmol_per_mol_ExpUnc2s_qc_flags" length="1" />
  <dimension name="2-methylbutane_ng_per_m3_precision_qc_flags" length="1" />
  <dimension name="2-methylbutane_pmol_per_mol_precision_qc_flags" length="1" />
  <dimension name="2-methylpropane_amean_qc_flags" length="1" />
  <dimension name="2-methylpropane_ExpUnc2s_qc_flags" length="1" />
  <dimension name="2-methylpropane_precision_qc_flags" length="1" />
  <dimension name="benzene_ng_per_m3_amean_qc_flags" length="1" />
  <dimension name="benzene_pmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="benzene_ng_per_m3_ExpUnc2s_qc_flags" length="1" />
  <dimension name="benzene_pmol_per_mol_ExpUnc2s_qc_flags" length="1" />
  <dimension name="benzene_ng_per_m3_precision_qc_flags" length="1" />
  <dimension name="benzene_pmol_per_mol_precision_qc_flags" length="1" />
  <dimension name="ethane_amean_qc_flags" length="1" />
  <dimension name="ethane_ExpUnc2s_qc_flags" length="1" />
  <dimension name="ethane_precision_qc_flags" length="1" />
  <dimension name="n-butane_ng_per_m3_amean_qc_flags" length="1" />
  <dimension name="n-butane_pmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="n-butane_ng_per_m3_ExpUnc2s_qc_flags" length="1" />
  <dimension name="n-butane_pmol_per_mol_ExpUnc2s_qc_flags" length="1" />
  <dimension name="n-butane_ng_per_m3_precision_qc_flags" length="1" />
  <dimension name="n-butane_pmol_per_mol_precision_qc_flags" length="1" />
  <dimension name="n-pentane_ng_per_m3_amean_qc_flags" length="1" />
  <dimension name="n-pentane_pmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="n-pentane_ng_per_m3_ExpUnc2s_qc_flags" length="1" />
  <dimension name="n-pentane_pmol_per_mol_ExpUnc2s_qc_flags" length="1" />
  <dimension name="n-pentane_ng_per_m3_precision_qc_flags" length="1" />
  <dimension name="n-pentane_pmol_per_mol_precision_qc_flags" length="1" />
  <dimension name="propane_amean_qc_flags" length="1" />
  <dimension name="propane_ExpUnc2s_qc_flags" length="1" />
  <dimension name="propane_precision_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2011-01-01T00:15:00Z" />
    <attribute name="time_coverage_end" value="2014-12-17T06:28:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="6763.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1446DT6H13M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-17" />
    <attribute name="nciso_version" value="2.4.8" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_amean_qc 2-methylbutane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="1.0 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_amean_qc" shape="2-methylbutane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_amean_qc 2-methylbutane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.3 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean_qc" shape="2-methylbutane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_ExpUnc2s_qc 2-methylbutane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s_qc" shape="2-methylbutane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_ExpUnc2s_qc 2-methylbutane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
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    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s_qc" shape="2-methylbutane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylbutane_ng_per_m3_precision_qc 2-methylbutane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision_qc" shape="2-methylbutane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylbutane_pmol_per_mol_precision_qc 2-methylbutane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20150716000000" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision_qc" shape="2-methylbutane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylbutane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_amean_qc 2-methylpropane_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083441" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylpropane_amean_qc" shape="2-methylpropane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_ExpUnc2s_qc 2-methylpropane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083446" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s_qc" shape="2-methylpropane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="2-methylpropane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_2_methylpropane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="2-methylpropane_precision_qc 2-methylpropane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083449" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylpropane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="2-methylpropane_precision_qc" shape="2-methylpropane_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="2-methylpropane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_amean_qc benzene_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083452" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="benzene_ng_per_m3_amean_qc" shape="benzene_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_amean_qc benzene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083452" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.1 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_qc" shape="benzene_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_ExpUnc2s_qc benzene_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083455" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s_qc" shape="benzene_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_ExpUnc2s_qc benzene_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083455" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s_qc" shape="benzene_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="benzene_ng_per_m3_precision_qc benzene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083503" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="benzene_ng_per_m3_precision_qc" shape="benzene_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="benzene_pmol_per_mol_precision_qc benzene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083503" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_qc" shape="benzene_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="benzene_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethane_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethane_amean_qc ethane_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083511" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="1.1 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="ethane_amean_qc" shape="ethane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethane_ExpUnc2s_qc ethane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083522" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="ethane_ExpUnc2s_qc" shape="ethane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ethane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="ethane_precision_qc ethane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083525" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="ethane_precision_qc" shape="ethane_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ethane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_amean_qc n-butane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083528" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-butane_ng_per_m3_amean_qc" shape="n-butane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="n-butane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_amean_qc n-butane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083528" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.2 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean_qc" shape="n-butane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_ExpUnc2s_qc n-butane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083532" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s_qc" shape="n-butane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_ExpUnc2s_qc n-butane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083532" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s_qc" shape="n-butane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-butane_ng_per_m3_precision_qc n-butane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083535" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-butane_ng_per_m3_precision_qc" shape="n-butane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-butane_pmol_per_mol_precision_qc n-butane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083535" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision_qc" shape="n-butane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-butane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_amean_qc n-pentane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083538" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean_qc" shape="n-pentane_ng_per_m3_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_amean_qc n-pentane_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083538" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.3 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean_qc" shape="n-pentane_pmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_ExpUnc2s_qc n-pentane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083541" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s_qc" shape="n-pentane_ng_per_m3_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_ExpUnc2s_qc n-pentane_pmol_per_mol_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083541" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s_qc" shape="n-pentane_pmol_per_mol_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="n-pentane_ng_per_m3_precision_qc n-pentane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083546" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision_qc" shape="n-pentane_ng_per_m3_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="n-pentane_ng_per_m3_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="n-pentane_pmol_per_mol_precision_qc n-pentane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083546" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-pentane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision_qc" shape="n-pentane_pmol_per_mol_precision_qc_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_amean_qc propane_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083549" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.7 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="propane_amean_qc" shape="propane_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_ExpUnc2s_qc propane_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083553" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="propane_ExpUnc2s_qc" shape="propane_ExpUnc2s_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_ExpUnc2s_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="propane_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="propane_precision_qc propane_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20161024083606" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="2h" />
    <attribute name="ebas_station_code" value="CH0001G" />
    <attribute name="ebas_platform_code" value="CH0001S" />
    <attribute name="ebas_station_name" value="Jungfraujoch" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__JFJ" />
    <attribute name="ebas_station_gaw_id" value="JFJ" />
    <attribute name="ebas_station_gaw_name" value="Jungfraujoch" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="46.5475" />
    <attribute name="ebas_station_longitude" value="7.985" />
    <attribute name="ebas_station_altitude" value="3578.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="propane" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Agilent_GC-MS-MEDUSA_Medusa-12_JFJ" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+6890N+5975B" />
    <attribute name="ebas_instrument_serial_number" value="Medusa-12" />
    <attribute name="ebas_method_ref" value="CH01L_VOC_AIR_MEDUSA-12" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="above the roof" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by instrument counting statistics, no detection limit flag used" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy)" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values don't appear because data was processed and zero/neg data taken out" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., " />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Ann Mari Fjæraa" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, " />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="No SOP currently available, MEDUSA. Sample volume: 2L, trap at -170degC, trap material Hayesep D, Nafion dryer, no O3 removal, 2-hourly calibration interval" />
  </variable>
  <variable name="propane_precision_qc" shape="propane_precision_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="propane_precision_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
