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  <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 high_vol_sampler at Zeppelin mountain (Ny-Ålesund) (NO0042G)" />
  <attribute name="keywords" value="mannosan, fructose, erythritol, mannitol, arabitol, 2-methylthreitol, NO0042G, mass_concentration_of_mannosan_in_pm10_in_air, EMEP, mannose, glucose, mass_concentration_of_levoglucosan_in_pm10_in_air, 2-methylerythritol, galactosan, trehalose, GAW-WDCA, Zeppelin mountain (Ny-Ålesund), ACTRIS, pm10, mass_concentration_of_galactosan_in_pm10_in_air, inositol, levoglucosan" />
  <attribute name="id" value="3XZC-6GW3.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCA" />
  <attribute name="acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/3XZC-6GW3" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Karl Espen Yttri, 2-methylerythritol, 2-methylthreitol, arabitol, erythritol, fructose, galactosan, glucose, inositol, levoglucosan, mannitol, mannosan, mannose, trehalose - high_vol_sampler at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3XZC-6GW3" />
  <attribute name="summary" value="Ground based in situ observations of high_vol_sampler at Zeppelin mountain (Ny-Ålesund) (NO0042G). These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: 2-methylerythritol in pm10, 2-methylerythritol in pm10, 2-methylthreitol in pm10, 2-methylthreitol in pm10, arabitol in pm10, arabitol in pm10, erythritol in pm10, erythritol in pm10, fructose in pm10, fructose in pm10, galactosan in pm10 (mass_concentration_of_galactosan_in_pm10_in_air), galactosan in pm10 (mass_concentration_of_galactosan_in_pm10_in_air), glucose in pm10, glucose in pm10, inositol in pm10, inositol in pm10, levoglucosan in pm10 (mass_concentration_of_levoglucosan_in_pm10_in_air), levoglucosan in pm10 (mass_concentration_of_levoglucosan_in_pm10_in_air), mannitol in pm10, mannitol in pm10, mannosan in pm10 (mass_concentration_of_mannosan_in_pm10_in_air), mannosan in pm10 (mass_concentration_of_mannosan_in_pm10_in_air), mannose in pm10, mannose in pm10, trehalose in pm10, trehalose in pm10" />
  <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="2020-12-07T14:50:53 UTC" />
  <attribute name="date_metadata_modified" value="2020-12-07T14:50:53 UTC" />
  <attribute name="creator_name" value="Karl Espen Yttri" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="key@nilu.no" />
  <attribute name="creator_institution" value="&quot;Norwegian Institute for Air Research, Atmosphere and Climate Department, NILU&quot;" />
  <attribute name="contributor_name" value="Karl Espen Yttri" />
  <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 478.0)" />
  <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="478.0" />
  <attribute name="geospatial_vertical_max" type="double" value="478.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2019-01-29T07:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-01-16T07:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0000-11-18T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Karl Espen Yttri, 2-methylerythritol, 2-methylthreitol, arabitol, erythritol, fructose, galactosan, glucose, inositol, levoglucosan, mannitol, mannosan, mannose, trehalose - high_vol_sampler at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3XZC-6GW3" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="3XZC-6GW3.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/3XZC-6GW3" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/3XZC-6GW3" />
  <attribute name="ebas_file_creation" value="2023-12-14T02:34:35.698693 UTC" />
  <attribute name="ebas_export_state" value="2020-12-07T14:39:12.697000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20190129070000" />
  <attribute name="ebas_revision_date" value="20201207145053" />
  <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="12mo" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_orig_time_res" value="1w" />
  <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_measuremenet_latitude" value="78.90715" />
  <attribute name="ebas_measurement_longitude" value="11.88668" />
  <attribute name="ebas_measurement_altitude" value="478.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
  <attribute name="ebas_laboratory_code" value="NO01L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
  <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
  <attribute name="ebas_instrument_model" value="DHA-80" />
  <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
  <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
  <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
  <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
  <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
  <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
  <attribute name="ebas_inlet_type" value="Impactor--direct" />
  <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
  <attribute name="ebas_flow_rate" value="667.7 l/min" />
  <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
  <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
  <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
  <attribute name="ebas_medium" value="Quartz" />
  <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
  <attribute name="ebas_filter_conditioning" value="None" />
  <attribute name="ebas_sample_preparation" value="None" />
  <attribute name="ebas_blank_correction" value="Not blank corrected" />
  <attribute name="ebas_artifact_correction" value="Positive only" />
  <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
  <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
  <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-WDCA" />
  <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 Aerosols" />
  <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
  <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
  <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
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  <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;Karl Espen Yttri, 2-methylerythritol, 2-methylthreitol, arabitol, erythritol, fructose, galactosan, glucose, inositol, levoglucosan, mannitol, mannosan, mannose, trehalose - high_vol_sampler at Zeppelin mountain (Ny-Ålesund), data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/3XZC-6GW3&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;3XZC-6GW3.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/3XZC-6GW3&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/3XZC-6GW3&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-14T02:34:35.698693 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-12-07T14:39:12.697000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20190129070000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20201207145053&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;12mo&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;1w&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 latitude&quot;: &quot;78.90715&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;11.88668&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;478.0 m&quot;,&#xA;    &quot;Measurement height&quot;: &quot;4.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Unit&quot;: &quot;ng/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;pm10&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;high_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;hvs_week_no42_pm10&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;DIGITEL&quot;,&#xA;    &quot;Instrument model&quot;: &quot;DHA-80&quot;,&#xA;    &quot;Analytical laboratory code&quot;: &quot;NO01L&quot;,&#xA;    &quot;Analytical measurement technique&quot;: &quot;UHPLC-MS&quot;,&#xA;    &quot;Analytical instrument name&quot;: &quot;UHPLC_50249&quot;,&#xA;    &quot;Analytical instrument manufacturer&quot;: &quot;Thermo Scientific&quot;,&#xA;    &quot;Analytical instrument model&quot;: &quot;Q Exactive Plus&quot;,&#xA;    &quot;Method ref&quot;: &quot;NO01L_UHPLC_50249&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Impactor--direct&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Upward facing with rain shield&quot;,&#xA;    &quot;Flow rate&quot;: &quot;667.7 l/min&quot;,&#xA;    &quot;Filter face velocity&quot;: &quot;54.16 cm/s&quot;,&#xA;    &quot;Exposed filter area&quot;: &quot;153.86 cm2&quot;,&#xA;    &quot;Filter description&quot;: &quot;Pallflex Tissuequartz 2500 quat-up 150 mm&quot;,&#xA;    &quot;Medium&quot;: &quot;Quartz&quot;,&#xA;    &quot;Filter prefiring&quot;: &quot;1123.15 K, 3.0 h&quot;,&#xA;    &quot;Filter conditioning&quot;: &quot;None&quot;,&#xA;    &quot;Sample preparation&quot;: &quot;None&quot;,&#xA;    &quot;Blank correction&quot;: &quot;Not blank corrected&quot;,&#xA;    &quot;Artifact correction&quot;: &quot;Positive only&quot;,&#xA;    &quot;Artifact correction description&quot;: &quot;The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach.&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;ambient&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;ambient&quot;,&#xA;    &quot;Detection limit expl.&quot;: &quot;Signal to Noise 3:1 for actual analyte&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147&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-WDCA&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 Aerosols&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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Submitter&quot;: &quot;Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Request acknowledgement details from data originator&quot;,&#xA;    &quot;Comment&quot;: &quot;The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)&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="38" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="2-methylerythritol_amean_qc_flags" length="1" />
  <dimension name="2-methylerythritol_det.lim._qc_flags" length="1" />
  <dimension name="2-methylthreitol_amean_qc_flags" length="1" />
  <dimension name="2-methylthreitol_det.lim._qc_flags" length="1" />
  <dimension name="arabitol_amean_qc_flags" length="1" />
  <dimension name="arabitol_det.lim._qc_flags" length="1" />
  <dimension name="erythritol_amean_qc_flags" length="1" />
  <dimension name="erythritol_det.lim._qc_flags" length="1" />
  <dimension name="fructose_amean_qc_flags" length="1" />
  <dimension name="fructose_det.lim._qc_flags" length="1" />
  <dimension name="galactosan_amean_qc_flags" length="1" />
  <dimension name="galactosan_det.lim._qc_flags" length="1" />
  <dimension name="glucose_amean_qc_flags" length="1" />
  <dimension name="glucose_det.lim._qc_flags" length="1" />
  <dimension name="inositol_amean_qc_flags" length="1" />
  <dimension name="inositol_det.lim._qc_flags" length="1" />
  <dimension name="levoglucosan_amean_qc_flags" length="1" />
  <dimension name="levoglucosan_det.lim._qc_flags" length="1" />
  <dimension name="mannitol_amean_qc_flags" length="1" />
  <dimension name="mannitol_det.lim._qc_flags" length="1" />
  <dimension name="mannosan_amean_qc_flags" length="1" />
  <dimension name="mannosan_det.lim._qc_flags" length="1" />
  <dimension name="mannose_amean_qc_flags" length="1" />
  <dimension name="mannose_det.lim._qc_flags" length="1" />
  <dimension name="trehalose_amean_qc_flags" length="1" />
  <dimension name="trehalose_det.lim._qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2019-02-02T07:00:00Z" />
    <attribute name="time_coverage_end" value="2020-01-12T07:00:00Z" />
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    <attribute name="time_coverage_resolution" value="803286.0" />
    <attribute name="time_coverage_duration" value="P0Y0M344DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-18" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="2-methylerythritol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylerythritol_amean_qc 2-methylerythritol_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <attribute name="ebas_station_code" value="NO0042G" />
    <attribute name="ebas_platform_code" value="NO0042S" />
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    <attribute name="ebas_station_setting" value="Polar" />
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    <attribute name="ebas_station_longitude" value="11.88668" />
    <attribute name="ebas_station_altitude" value="474.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylerythritol" />
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    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
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    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
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    <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 Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
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  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="2-methylerythritol_det.lim._qc 2-methylerythritol_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_station_code" value="NO0042G" />
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    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylerythritol" />
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    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="2-methylthreitol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
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    <attribute name="ebas_station_longitude" value="11.88668" />
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  </variable>
  <variable name="2-methylthreitol_amean_qc" shape="2-methylthreitol_amean_qc_flags time" type="int">
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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  </variable>
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="galactosan_amean_qc" shape="galactosan_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="galactosan_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="galactosan_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_galactosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="galactosan_det.lim._qc galactosan_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="galactosan" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="galactosan_det.lim._qc" shape="galactosan_det.lim._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="galactosan_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="glucose_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="glucose_amean_qc glucose_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="glucose" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="glucose_amean_qc" shape="glucose_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="glucose_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="glucose_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="glucose_det.lim._qc glucose_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="glucose" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="glucose_det.lim._qc" shape="glucose_det.lim._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="glucose_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="inositol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="inositol_amean_qc inositol_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="inositol" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="inositol_amean_qc" shape="inositol_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="inositol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="inositol_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="inositol_det.lim._qc inositol_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="inositol" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="inositol_det.lim._qc" shape="inositol_det.lim._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="inositol_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="levoglucosan_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_levoglucosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="levoglucosan_amean_qc levoglucosan_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="levoglucosan" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
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    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="levoglucosan_amean_qc" shape="levoglucosan_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="levoglucosan_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="levoglucosan_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_levoglucosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="levoglucosan_det.lim._qc levoglucosan_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="levoglucosan" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
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    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="levoglucosan_det.lim._qc" shape="levoglucosan_det.lim._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="levoglucosan_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mannitol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="mannitol_amean_qc mannitol_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mannitol" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
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    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
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    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="mannitol_amean_qc" shape="mannitol_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="mannitol_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mannitol_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="mannitol_det.lim._qc mannitol_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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" />
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    <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_measuremenet_latitude" value="78.90715" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mannitol" />
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    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
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    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
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    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
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  <variable name="mannitol_det.lim._qc" shape="mannitol_det.lim._qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="mannitol_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="mannosan_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_mannosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <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)" />
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    <attribute name="ebas_station_longitude" value="11.88668" />
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    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="mannosan_amean_qc" shape="mannosan_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="mannosan_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mannosan_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_mannosan_in_pm10_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="mannosan_det.lim._qc mannosan_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mannosan" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
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    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
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    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="mannosan_det.lim._qc" shape="mannosan_det.lim._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="mannosan_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="mannose_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="mannose_amean_qc mannose_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="20201207145053" />
    <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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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)" />
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    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="mannose" />
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    <attribute name="ebas_matrix" value="pm10" />
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    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
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    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
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    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
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    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
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  <variable name="mannose_amean_qc" shape="mannose_amean_qc_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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  </variable>
  <variable name="mannose_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="mannose_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="mannose_det.lim._qc mannose_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
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    <attribute name="ebas_data_level" value="2" />
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    <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" />
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    <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_measuremenet_latitude" value="78.90715" />
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    <attribute name="ebas_volume_std_pressure" value="ambient" />
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    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
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    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="mannose_det.lim._qc" shape="mannose_det.lim._qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="mannose_det.lim._ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="trehalose_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="trehalose_amean_qc trehalose_amean_ebasmetadata" />
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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="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trehalose" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="trehalose_amean_qc" shape="trehalose_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="trehalose_amean_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="trehalose_det.lim." shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="trehalose_det.lim._qc trehalose_det.lim._ebasmetadata" />
    <attribute name="cell_methods" value="time: detection limit" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20201207145053" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision. manually inspected" />
    <attribute name="ebas_statistics" value="detection limit" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1w" />
    <attribute name="ebas_orig_time_res" value="1w" />
    <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_measuremenet_latitude" value="78.90715" />
    <attribute name="ebas_measurement_longitude" value="11.88668" />
    <attribute name="ebas_measurement_altitude" value="478.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="trehalose" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="pm10" />
    <attribute name="ebas_laboratory_code" value="NO01L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="hvs_week_no42_pm10" />
    <attribute name="ebas_instrument_manufacturer" value="DIGITEL" />
    <attribute name="ebas_instrument_model" value="DHA-80" />
    <attribute name="ebas_analytical_laboratory_code" value="NO01L" />
    <attribute name="ebas_analytical_measurement_technique" value="UHPLC-MS" />
    <attribute name="ebas_analytical_instrument_name" value="UHPLC_50249" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Q Exactive Plus" />
    <attribute name="ebas_method_ref" value="NO01L_UHPLC_50249" />
    <attribute name="ebas_inlet_type" value="Impactor--direct" />
    <attribute name="ebas_inlet_description" value="Upward facing with rain shield" />
    <attribute name="ebas_flow_rate" value="667.7 l/min" />
    <attribute name="ebas_filter_face_velocity" value="54.16 cm/s" />
    <attribute name="ebas_exposed_filter_area" value="153.86 cm2" />
    <attribute name="ebas_filter_description" value="Pallflex Tissuequartz 2500 quat-up 150 mm" />
    <attribute name="ebas_medium" value="Quartz" />
    <attribute name="ebas_filter_prefiring" value="1123.15 K, 3.0 h" />
    <attribute name="ebas_filter_conditioning" value="None" />
    <attribute name="ebas_sample_preparation" value="None" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_artifact_correction" value="Positive only" />
    <attribute name="ebas_artifact_correction_description" value="The positive sampling artifact of OC was estimated by placing a quartz fiber filter (Backup filter) downstream of a quartz fiber front filter (Front filter); i.e. the QBQ approach." />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_volume_std_temperature" value="ambient" />
    <attribute name="ebas_volume_std_pressure" value="ambient" />
    <attribute name="ebas_detection_limit_expl" value="Signal to Noise 3:1 for actual analyte" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="0 &lt; values &lt; LOD flagged with 147, values = 0 or negative flagged with 147" />
    <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-WDCA" />
    <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 Aerosols" />
    <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 Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_originator" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_submitter" value="Yttri, Karl Espen, key@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway" />
    <attribute name="ebas_acknowledgement" value="Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="The analytical method has been intercompared with respect to levoglucosan (Atmos. Meas. Tech., 8, 125-147, https://doi.org/10.5194/amt-8-125-2015)" />
  </variable>
  <variable name="trehalose_det.lim._qc" shape="trehalose_det.lim._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="trehalose_det.lim._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>
