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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="VOC (hydrocarbons) at Monte Cimone" />
  <attribute name="summary" value="VOC (hydrocarbons) at Monte Cimone. These measurements are gathered as a part of the following projects ACTRIS, EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['2-methylbutane in air (mass_concentration_of_2-methylbutane_in_air)', '2-methylbutane in air (mole_fraction_of_2_methylbutane_in_air)', '2-methylpropane in air (mass_concentration_of_2-methylpropane_in_air)', '2-methylpropane in air (mole_fraction_of_2_methylpropane_in_air)', 'benzene in air (mole_fraction_of_benzene_in_air)', 'ethane in air (mass_concentration_of_ethane_in_air)', 'ethane in air (mole_fraction_of_ethane_in_air)', 'ethene in air (mole_fraction_of_ethene_in_air)', 'ethyne in air (mole_fraction_of_ethyne_in_air)', 'n-butane in air (mass_concentration_of_n-butane_in_air)', 'n-butane in air (mole_fraction_of_butane_in_air)', 'n-pentane in air (mass_concentration_of_n-pentane_in_air)', 'n-pentane in air (mole_fraction_of_pentane_in_air)', 'propane in air (mass_concentration_of_propane_in_air)', 'propane in air (mole_fraction_of_propane_in_air)', 'toluene in air (mole_fraction_of_toluene_in_air)']" />
  <attribute name="keywords" value="&quot;Monte Cimone&quot; IT0009R 2-methylbutane 2-methylpropane benzene ethane ethene ethyne n-butane n-pentane propane toluene air ACTRIS EMEP GAW-WDCRG mass_concentration_of_2-methylbutane_in_air mole_fraction_of_2_methylbutane_in_air mass_concentration_of_2-methylpropane_in_air mole_fraction_of_2_methylpropane_in_air mole_fraction_of_benzene_in_air mass_concentration_of_ethane_in_air mole_fraction_of_ethane_in_air mole_fraction_of_ethene_in_air mole_fraction_of_ethyne_in_air mass_concentration_of_n-butane_in_air mole_fraction_of_butane_in_air mass_concentration_of_n-pentane_in_air mole_fraction_of_pentane_in_air mass_concentration_of_propane_in_air mole_fraction_of_propane_in_air mole_fraction_of_toluene_in_air" />
  <attribute name="id" value="6NTY-X8VW.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/6NTY-X8VW" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Maione, M., Jgor, A., ACTRIS, EMEP, GAW-WDCRG, 2026, VOC (hydrocarbons) at Monte Cimone, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6NTY-X8VW" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="IT10L &quot;University of Urbino&quot;" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-04-08T07:27:32.016020Z" />
  <attribute name="date_metadata_modified" value="2026-03-15T08:00:00Z" />
  <attribute name="creator_name" value="Michela Maione, Arduini Jgor" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", jgor.arduini@uniurb.it" />
  <attribute name="creator_institution" value=", &quot;University of Urbino, Department of Pure and Apllied Sciences&quot;" />
  <attribute name="contributor_name" value="Arduini Jgor" />
  <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 EMPTY" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2024-12-31T23:40:00Z" />
  <attribute name="time_coverage_end" value="2025-12-31T22:48:00Z" />
  <attribute name="time_coverage_duration" value="P0000-11-30T23:08:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T02:00:00" />
  <attribute name="timezone" value="UTC" />
  <attribute name="ebas_data_definition" value="EBAS_1.1" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Maione, M., Jgor, A., ACTRIS, EMEP, GAW-WDCRG, 2026, VOC (hydrocarbons) at Monte Cimone, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6NTY-X8VW" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="6NTY-X8VW.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/6NTY-X8VW" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/6NTY-X8VW" />
  <attribute name="ebas_file_creation" value="2026-04-28T01:35:36.775149Z" />
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  <attribute name="ebas_startdate" value="2024-12-31T23:40:00.000000Z" />
  <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
  <attribute name="ebas_version" value="2" />
  <attribute name="ebas_version_description" value="first data submission of year 2025" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="2h" />
  <attribute name="ebas_sample_duration" value="20mn" />
  <attribute name="ebas_orig_time_res" value="20mn" />
  <attribute name="ebas_station_code" value="IT0009R" />
  <attribute name="ebas_platform_code" value="IT0009S" />
  <attribute name="ebas_station_name" value="Monte Cimone" />
  <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
  <attribute name="ebas_station_gaw_id" value="CMN" />
  <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
  <attribute name="ebas_station_land_use" value="Remote park" />
  <attribute name="ebas_station_setting" value="Mountain" />
  <attribute name="ebas_station_gaw_type" value="G" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
  <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
  <attribute name="ebas_station_altitude" value="2165.0 m" />
  <attribute name="ebas_measurement_altitude" value="2165.0 m" />
  <attribute name="ebas_measurement_height" value="7.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="IT10L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="MEDUSA24" />
  <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
  <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
  <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
  <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
  <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
  <attribute name="ebas_calibration_scale" value="NPL" />
  <attribute name="ebas_calibration_standard_id" value="D994206" />
  <attribute name="ebas_secondary_standard_id" value="J-222" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Downward facing with hood" />
  <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
  <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
  <attribute name="ebas_qa1_measure_id" value="ACTRIS-VOC-1" />
  <attribute name="ebas_qa1_date" value="2013-01-01T00:00:00Z" />
  <attribute name="ebas_qa1_document_name" value="ACTRIS non-methane hydrocarbon intercomparison experiment in Europe to support WMO GAW and EMEP observation networks" />
  <attribute name="ebas_qa1_document_date" value="2015-07-08T00:00:00Z" />
  <attribute name="ebas_qa1_document_url" value="https://doi.org/10.5194/amt-8-2715-2015" />
  <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
  <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
  <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <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="3831" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylbutane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_2_methylbutane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_2_methylpropane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_2_methylpropane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_benzene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_benzene_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_ethane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_ethene_amean_flags" length="1" />
  <dimension name="qc_ethene_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethene_precision_flags" length="1" />
  <dimension name="qc_ethyne_amean_flags" length="1" />
  <dimension name="qc_ethyne_ExpUnc2s_flags" length="1" />
  <dimension name="qc_ethyne_precision_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_butane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_n_butane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_n_pentane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_n_pentane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_propane_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_propane_pmol_per_mol_precision_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_amean_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_amean_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_ExpUnc2s_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_ExpUnc2s_flags" length="1" />
  <dimension name="qc_toluene_ng_per_m3_precision_flags" length="1" />
  <dimension name="qc_toluene_pmol_per_mol_precision_flags" length="1" />
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    <attribute name="time_coverage_start" value="2024-12-31T23:50:00Z" />
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    <attribute name="time_coverage_units" value="seconds" />
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    <attribute name="time_coverage_duration" value="P0Y0M364DT22H48M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-17" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="v_2_methylbutane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_2-methylbutane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_2_methylbutane_ng_per_m3_amean_qc v_2_methylbutane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="2-methylbutane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="1.4 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485. Detection limit converted from '0.12 pmol/mol' to '0.4 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.485." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_benzene_ng_per_m3_amean" shape="qc_benzene_ng_per_m3_amean_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" />
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  <variable name="meta_benzene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_benzene_pmol_per_mol_amean_qc v_benzene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_benzene_pmol_per_mol_amean" shape="qc_benzene_pmol_per_mol_amean_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" />
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  <variable name="meta_benzene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <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="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
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    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
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  <variable name="qc_benzene_ng_per_m3_ExpUnc2s" shape="qc_benzene_ng_per_m3_ExpUnc2s_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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    <attribute name="units" value="1" />
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  <variable name="meta_benzene_ng_per_m3_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_pmol_per_mol_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/benzeneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_benzene_pmol_per_mol_ExpUnc2s" shape="qc_benzene_pmol_per_mol_ExpUnc2s_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" />
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  <variable name="meta_benzene_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_benzene_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_benzene_ng_per_m3_precision_qc v_benzene_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
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    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="actris_variable_preferred_term" value="benzene mass concentration" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_benzene_ng_per_m3_precision" shape="qc_benzene_ng_per_m3_precision_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
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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="standard_name" value="mole_fraction_of_benzene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_gaw_id" value="CMN" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
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    <attribute name="ebas_component" value="benzene" />
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    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="actris_variable_preferred_term" value="benzene amount fraction" />
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_component" value="ethane" />
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    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ethane mass concentration" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_ethane_ng_per_m3_amean" shape="qc_ethane_ng_per_m3_amean_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" />
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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="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethane_pmol_per_mol_amean_qc v_ethane_pmol_per_mol_amean_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
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    <attribute name="ebas_component" value="ethane" />
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    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethane amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_ethane_pmol_per_mol_ExpUnc2s" shape="qc_ethane_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
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  <variable name="meta_ethane_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_ethane_ng_per_m3_precision_qc v_ethane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
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    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
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    <attribute name="ebas_calibration_standard_id" value="D994206" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.342." />
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    <attribute name="actris_variable_preferred_term" value="ethane mass concentration" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_ethane_ng_per_m3_precision" shape="qc_ethane_ng_per_m3_precision_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" />
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  <variable name="meta_ethane_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethane_pmol_per_mol_precision_qc v_ethane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethane" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethane amount fraction" />
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    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <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="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethene_amean" shape="qc_ethene_amean_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="meta_ethene_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethene_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethene_ExpUnc2s_qc v_ethene_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethene_ExpUnc2s" shape="qc_ethene_ExpUnc2s_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="meta_ethene_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethene_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethene_precision_qc v_ethene_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/etheneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethene amount fraction" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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  <variable name="qc_ethene_precision" shape="qc_ethene_precision_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethene_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethyne_amean_qc v_ethyne_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethyne_amean" shape="qc_ethyne_amean_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="meta_ethyne_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethyne_ExpUnc2s_qc v_ethyne_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ethyne_ExpUnc2s" shape="qc_ethyne_ExpUnc2s_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="meta_ethyne_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_ethyne_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ethyne_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_ethyne_precision_qc v_ethyne_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ethyne" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
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    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ethyneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="ethyne amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_ethyne_precision" shape="qc_ethyne_precision_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_ethyne_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_n_butane_ng_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_n-butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_n_butane_ng_per_m3_amean_qc v_n_butane_ng_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="n-butane" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="4.7 ng/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593. Detection limit converted from '1.8 pmol/mol' to '4.7 ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 2.593." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/n-butanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="n-butane mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_n_butane_ng_per_m3_amean" shape="qc_n_butane_ng_per_m3_amean_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
  </variable>
  <variable name="meta_n_butane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_n_butane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_butane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 3.219." />
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    <attribute name="actris_variable_preferred_term" value="n-pentane mass concentration" />
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    <attribute name="standard_name" value="status_flag" />
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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="standard_name" value="mole_fraction_of_pentane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="v_n_pentane_pmol_per_mol_precision_qc v_n_pentane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
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    <attribute name="ebas_component" value="n-pentane" />
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    <attribute name="ebas_instrument_name" value="MEDUSA24" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_component" value="propane" />
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    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
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  <variable name="qc_propane_ng_per_m3_amean" shape="qc_propane_ng_per_m3_amean_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_propane_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_propane_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
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    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
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    <attribute name="ebas_measurement_height" value="7.0 m" />
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    <attribute name="ebas_component" value="propane" />
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    <attribute name="ebas_instrument_name" value="MEDUSA24" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_propane_pmol_per_mol_amean" shape="qc_propane_pmol_per_mol_amean_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" />
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  <variable name="meta_propane_pmol_per_mol_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_ng_per_m3_ExpUnc2s" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_propane_ng_per_m3_ExpUnc2s_qc v_propane_ng_per_m3_ExpUnc2s_ebasmetadata" />
    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
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    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_station_altitude" value="2165.0 m" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
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    <attribute name="_FillValue" type="int" value="0" />
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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="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
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  <variable name="qc_propane_pmol_per_mol_ExpUnc2s" shape="qc_propane_pmol_per_mol_ExpUnc2s_flags time" type="int">
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_propane_pmol_per_mol_ExpUnc2s" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_propane_ng_per_m3_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="v_propane_ng_per_m3_precision_qc v_propane_ng_per_m3_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_component" value="propane" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 1.967." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propanemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="propane mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
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    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_propane_ng_per_m3_precision" shape="qc_propane_ng_per_m3_precision_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="meta_propane_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_propane_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_propane_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_propane_pmol_per_mol_precision_qc v_propane_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
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    <attribute name="ebas_component" value="propane" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_calibration_scale" value="NPL" />
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    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/propaneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="propane amount fraction" />
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    <attribute name="units" value="1" />
    <attribute name="missing_value" type="int" value="0" />
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_propane_pmol_per_mol_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
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    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
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    <attribute name="actris_variable_preferred_term" value="toluene mass concentration" />
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  <variable name="qc_toluene_ng_per_m3_amean" shape="qc_toluene_ng_per_m3_amean_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" />
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  <variable name="meta_toluene_ng_per_m3_amean" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_toluene_pmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_toluene_pmol_per_mol_amean_qc v_toluene_pmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
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    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
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    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
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    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
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    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/tolueneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="toluene amount fraction" />
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    <attribute name="actris_temporal_resolution" value="PT2H" />
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  <variable name="qc_toluene_pmol_per_mol_amean" shape="qc_toluene_pmol_per_mol_amean_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" />
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  <variable name="meta_toluene_pmol_per_mol_amean" shape="metadata_time" type="String">
    <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" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
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    <attribute name="cell_methods" value="time: expanded uncertainty 2sigma" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="expanded uncertainty 2sigma" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
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    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
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    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
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    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
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    <attribute name="ebas_station_altitude" value="2165.0 m" />
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    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ebas_version_description" value="first data submission of year 2025" />
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    <attribute name="ebas_component" value="toluene" />
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    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
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    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt; -- Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.111." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/toluenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="toluene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_ng_per_m3_precision" shape="qc_toluene_ng_per_m3_precision_flags time" type="int">
    <attribute name="units" value="1" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
  </variable>
  <variable name="meta_toluene_ng_per_m3_precision" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_toluene_pmol_per_mol_precision" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="v_toluene_pmol_per_mol_precision_qc v_toluene_pmol_per_mol_precision_ebasmetadata" />
    <attribute name="cell_methods" value="time: precision" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-15T08:00:00.000000Z" />
    <attribute name="ebas_version" value="2" />
    <attribute name="ebas_version_description" value="first data submission of year 2025" />
    <attribute name="ebas_statistics" value="precision" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="20mn" />
    <attribute name="ebas_orig_time_res" value="20mn" />
    <attribute name="ebas_station_code" value="IT0009R" />
    <attribute name="ebas_platform_code" value="IT0009S" />
    <attribute name="ebas_station_name" value="Monte Cimone" />
    <attribute name="ebas_station_wdca_id" value="GAWAIT__CMN" />
    <attribute name="ebas_station_gaw_id" value="CMN" />
    <attribute name="ebas_station_gaw_name" value="Monte Cimone" />
    <attribute name="ebas_station_land_use" value="Remote park" />
    <attribute name="ebas_station_setting" value="Mountain" />
    <attribute name="ebas_station_gaw_type" value="G" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="44.19320533600754" />
    <attribute name="ebas_station_longitude" type="double" value="10.701429456423515" />
    <attribute name="ebas_station_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_altitude" value="2165.0 m" />
    <attribute name="ebas_measurement_height" value="7.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="IT10L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="MEDUSA24" />
    <attribute name="ebas_instrument_manufacturer" value="AGAGE+Agilent+Agilent" />
    <attribute name="ebas_instrument_model" value="MEDUSA+7890B GC+5977C MS" />
    <attribute name="ebas_instrument_serial_number" value="MEDUSA24" />
    <attribute name="ebas_method_ref" value="IT10L_AGAGE" />
    <attribute name="ebas_standard_method" value="SOP=ACTRIS_VOC_2014" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_calibration_standard_id" value="D994206" />
    <attribute name="ebas_secondary_standard_id" value="J-222" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing with hood" />
    <attribute name="ebas_detection_limit_expl" value="Determined by data processing for each component evaluating the the S/N=3 on the blank chromatograms" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Includes reproducibility (precision) + systematic errors (accuracy). Ref:http://www.atmos-meas-tech.net/8/2715/2015/" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may be due to statistical variations at very low concentrations but are reported as the Detection limit value and flagged with 147" />
    <attribute name="ebas_organization" value="IT10L, University of Urbino, , , , , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_framework_description" value="&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.&quot;, The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Maione, Michela, , , , , , , , , &quot;, &quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_submitter" value="&quot;Jgor, Arduini, jgor.arduini@uniurb.it, University of Urbino, , Department of Pure and Apllied Sciences, piazza Rinascimento 6, , 61029, Urbino, Italy&quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: ACTRIS, EMEP, GAW-WDCRG. Request acknowledgement details from data originator" />
    <attribute name="ebas_comment" value="&lt;freetext-comment&gt;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/tolueneamountfraction" />
    <attribute name="actris_variable_preferred_term" value="toluene amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gaschromatograph-online" />
    <attribute name="actris_instrument_type_preferred_term" value="gas chromatograph, online" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="PT2H" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_toluene_pmol_per_mol_precision" shape="qc_toluene_pmol_per_mol_precision_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="meta_toluene_pmol_per_mol_precision" 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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <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 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
