<?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 Zeppelin mountain (Ny-Ålesund) (NO0042G)" />
  <attribute name="keywords" value="mole_fraction_of_butane_in_air, ethane, propane, mole_fraction_of_ethane_in_air, Zeppelin mountain (Ny-Ålesund), ACTRIS, air, mass_concentration_of_n-pentane_in_air, mole_fraction_of_pentane_in_air, GAW-WDCRG, NO0042G, n-butane, NILU, mass_concentration_of_n-butane_in_air, n-pentane, mole_fraction_of_propane_in_air, EMEP" />
  <attribute name="id" value="CR6V-UF9E.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
  <attribute name="acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
  <attribute name="doi" value="https://doi.org/10.48597/CR6V-UF9E" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Norbert Schmidbauer, Chris Lunder, Cathrine Lund-Myhre, ethane, n-butane, n-pentane, propane - online_gc at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CR6V-UF9E" />
  <attribute name="summary" value="Ground based in situ observations of online_gc at Zeppelin mountain (Ny-Ålesund) (NO0042G). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG, NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 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="NO01L, Norwegian Institute for Air Research, NILU, Instituttveien 18, 2007, Kjeller, Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2022-06-13T11:45:37 UTC" />
  <attribute name="date_metadata_modified" value="2022-06-13T11:45:37 UTC" />
  <attribute name="creator_name" value="Norbert Schmidbauer, Chris Lunder, Cathrine Lund-Myhre" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", crl@nilu.no, clm@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;, &quot;Norwegian Institute for Air Research, ATMOS, NILU&quot;" />
  <attribute name="contributor_name" value="Tove Svendby" />
  <attribute name="contributor_role" value="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 (78.90715 11.88668 474.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="78.90715" />
  <attribute name="geospatial_lat_max" type="double" value="78.90715" />
  <attribute name="geospatial_lon_min" type="double" value="11.88668" />
  <attribute name="geospatial_lon_max" type="double" value="11.88668" />
  <attribute name="geospatial_vertical_min" type="double" value="474.0" />
  <attribute name="geospatial_vertical_max" type="double" value="474.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2018-01-01T01:06:00 UTC" />
  <attribute name="time_coverage_end" value="2018-12-31T22:39:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-11-30T21:33:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T03:00:00" />
  <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="Norbert Schmidbauer, Chris Lunder, Cathrine Lund-Myhre, ethane, n-butane, n-pentane, propane - online_gc at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CR6V-UF9E" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="CR6V-UF9E.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/CR6V-UF9E" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/CR6V-UF9E" />
  <attribute name="ebas_file_creation" value="2023-12-12T08:50:07.765023 UTC" />
  <attribute name="ebas_export_state" value="2022-06-02T09:20:50.667000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20180101010600" />
  <attribute name="ebas_revision_date" value="20220613114537" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="3h" />
  <attribute name="ebas_sample_duration" value="20mn" />
  <attribute name="ebas_orig_time_res" value="20mn" />
  <attribute name="ebas_station_code" value="NO0042G" />
  <attribute name="ebas_platform_code" value="NO0042S" />
  <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
  <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
  <attribute name="ebas_station_gaw_id" value="ZEP" />
  <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
  <attribute name="ebas_station_land_use" value="Gravel and stone" />
  <attribute name="ebas_station_setting" value="Polar" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" value="6" />
  <attribute name="ebas_station_latitude" value="78.90715" />
  <attribute name="ebas_station_longitude" value="11.88668" />
  <attribute name="ebas_station_altitude" value="474.0 m" />
  <attribute name="ebas_measurement_altitude" value="474.0 m" />
  <attribute name="ebas_measurement_height" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="Medusa-19" />
  <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="70810508" />
  <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
  <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
  <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
  <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
  <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
  <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
  <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
  <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;Norbert Schmidbauer, Chris Lunder, Cathrine Lund-Myhre, ethane, n-butane, n-pentane, propane - online_gc at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/CR6V-UF9E&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;CR6V-UF9E.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/CR6V-UF9E&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/CR6V-UF9E&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-12T08:50:07.765023 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2022-06-02T09:20:50.667000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20180101010600&quot;,&#xA;    &quot;Revision date&quot;: &quot;20220613114537&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;1y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;3h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;20mn&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;20mn&quot;,&#xA;    &quot;Station code&quot;: &quot;NO0042G&quot;,&#xA;    &quot;Platform code&quot;: &quot;NO0042S&quot;,&#xA;    &quot;Station name&quot;: &quot;Zeppelin mountain (Ny-Ålesund)&quot;,&#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWANO__ZEP&quot;,&#xA;    &quot;Station GAW-ID&quot;: &quot;ZEP&quot;,&#xA;    &quot;Station GAW-Name&quot;: &quot;Zeppelin Mountain (Ny Ålesund)&quot;,&#xA;    &quot;Station land use&quot;: &quot;Gravel and stone&quot;,&#xA;    &quot;Station setting&quot;: &quot;Polar&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;78.90715&quot;,&#xA;    &quot;Station longitude&quot;: &quot;11.88668&quot;,&#xA;    &quot;Station altitude&quot;: &quot;474.0 m&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;474.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;10.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_gc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;Medusa-19&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;70810508&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_AGAGE&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=ACTRIS_VOC_2014&quot;,&#xA;    &quot;Calibration standard ID&quot;: &quot;Scipps NMHC Gold&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Heated inlet line from 15m tower,stainless steel line,large flow&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Detection limit determined by peak area statistics&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative impossible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons&quot;,&#xA;    &quot;Organization&quot;: &quot;NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCRG, NILU&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research&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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway&quot;,&#xA;    &quot;Submitter&quot;: &quot;Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no&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="2598" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" 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="2018-01-01T01:16:00Z" />
    <attribute name="time_coverage_end" value="2018-12-31T22:29:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="12139.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT21H13M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
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  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </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="20220613114537" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit" value="1.0 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="1.82 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.5932. Detection limit converted from '0.7 pmol/mol' to '1.82 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.5932." />
  </variable>
  <variable name="n-butane_ng_per_m3_amean_qc" shape="n-butane_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-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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit" value="0.7 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.5932." />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.5932." />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="2.25 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.2190. Detection limit converted from '0.7 pmol/mol' to '2.25 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.2190." />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit" value="0.7 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.2190." />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <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="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.2190." />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </variable>
  <variable name="n-pentane_pmol_per_mol_precision_qc" shape="n-pentane_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-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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit" value="0.7 pmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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="20220613114537" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <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="20mn" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
    <attribute name="ebas_station_name" value="Zeppelin mountain (Ny-Ålesund)" />
    <attribute name="ebas_station_wdca_id" value="GAWANO__ZEP" />
    <attribute name="ebas_station_gaw_id" value="ZEP" />
    <attribute name="ebas_station_gaw_name" value="Zeppelin Mountain (Ny Ålesund)" />
    <attribute name="ebas_station_land_use" value="Gravel and stone" />
    <attribute name="ebas_station_setting" value="Polar" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" value="6" />
    <attribute name="ebas_station_latitude" value="78.90715" />
    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_altitude" value="474.0 m" />
    <attribute name="ebas_measurement_height" value="10.0 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="NO01L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="Medusa-19" />
    <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="70810508" />
    <attribute name="ebas_method_ref" value="NO01L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="SIO2005" />
    <attribute name="ebas_calibration_standard_id" value="Scipps NMHC Gold" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Heated inlet line from 15m tower,stainless steel line,large flow" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit determined by peak area statistics" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values do not appear, background air will allways have higher mixing ratio than the detection limits of the reported hydrocarbons" />
    <attribute name="ebas_organization" value="NO01L, Norwegian Institute for Air Research, NILU, , Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG, NILU" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases, Norwegian Institute for Air Research" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme., Atmospheric measuremnts produced at NILU." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="Lund-Myhre, Cathrine, clm@nilu.no, Norwegian Institute for Air Research, NILU, ATMOS, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Svendby, Tove, tms@nilu.no, Norwegian Institute for Air Research, NILU, MIT, Instituttveien 18, , N-2027, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgements from Chris Lunder, crl@nilu.no, Norbert Schmidbauer, ns@nilu.no and Cathrine Lund Myhre, clm@nilu.no" />
    <attribute name="ebas_comment" value="Preconcentration MEDUSA, permapure nafion drier,trap material Hayesep D,routine sequence is working standard - sample - working standard, sample volume 2 liter" />
  </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>
