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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Nitrogen oxides at Beromünster" />
  <attribute name="keywords" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air, mass_concentration_of_nox_expressed_as_nitrogen_in_air, ACTRIS, mole_fraction_of_nox_in_air, mole_fraction_of_nitrogen_dioxide_in_air, air, mole_fraction_of_nitrogen_monoxide_in_air, nitrogen_monoxide, NOx, Beromünster, GAW-WDCRG, nitrogen_dioxide, mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air, EMEP, CH0053R" />
  <attribute name="id" value="CH0053R.20230101000000.20260903073323...air.3y.1h...lev3a.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="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="doi" value="https://doi.org/10.48597/RGJZ-SZVZ" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Hueglin, C., ACTRIS, EMEP, GAW-WDCRG, 2026, Nitrogen oxides at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/RGJZ-SZVZ" />
  <attribute name="summary" value="Nitrogen oxides at Beromünster. 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: nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_dioxide in air (mole_fraction_of_nitrogen_dioxide_in_air), nitrogen_dioxide in air (mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), nitrogen_monoxide in air (mole_fraction_of_nitrogen_monoxide_in_air), nitrogen_monoxide in air (mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air), NOx in air (mole_fraction_of_nox_in_air), NOx in air (mass_concentration_of_nox_expressed_as_nitrogen_in_air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, 8600, Dübendorf, Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-09-03T07:33:23 UTC" />
  <attribute name="date_metadata_modified" value="2026-09-03T07:33:23 UTC" />
  <attribute name="creator_name" value="Christoph Hueglin" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Thomas Seitz, Robert Wegener" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (47.18961391 8.175433684 797.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="47.18961391" />
  <attribute name="geospatial_lat_max" type="double" value="47.18961391" />
  <attribute name="geospatial_lon_min" type="double" value="8.175433684" />
  <attribute name="geospatial_lon_max" type="double" value="8.175433684" />
  <attribute name="geospatial_vertical_min" type="double" value="797.0" />
  <attribute name="geospatial_vertical_max" type="double" value="797.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2023-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2026-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <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="Hueglin, C., ACTRIS, EMEP, GAW-WDCRG, 2026, Nitrogen oxides at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/RGJZ-SZVZ" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="CH0053R.20230101000000.20260903073323...air.3y.1h...lev3a.nc" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/RGJZ-SZVZ" />
  <attribute name="ebas_file_creation" value="2026-09-03T09:39:06.880794 UTC" />
  <attribute name="ebas_export_state" value="2026-09-03T09:25:05.561113 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20230101000000" />
  <attribute name="ebas_revision_date" value="20260903073323" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, manually inspected" />
  <attribute name="ebas_input_dataset" value="Instrument type: aws, Instrument ref: CH01L_BRM_meteo, Method ref: CH01L_meteo, Data level: 0, Version: 1" />
  <attribute name="ebas_data_level" value="3a" />
  <attribute name="ebas_period_code" value="3y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="CH0053R" />
  <attribute name="ebas_platform_code" value="CH0053S" />
  <attribute name="ebas_station_name" value="Beromünster" />
  <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
  <attribute name="ebas_station_gaw_id" value="BRM" />
  <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_gaw_type" value="R" />
  <attribute name="ebas_station_wmo_region" value="7" />
  <attribute name="ebas_station_latitude" value="47.18961391" />
  <attribute name="ebas_station_longitude" value="8.175433684" />
  <attribute name="ebas_station_altitude" value="797.0 m" />
  <attribute name="ebas_measurement_height" value="5.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="CH01L" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="upward with hat" />
  <attribute name="ebas_inlet_tube_material" value="Teflon" />
  <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
  <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="None" />
  <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
  <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
  <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="Hueglin, Christoph, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
  <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=4.7.3,hdf5=1.10.4" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;, &#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;, &#xA;    &quot;Citation&quot;: &quot;Hueglin, C., ACTRIS, EMEP, GAW-WDCRG, 2026, Nitrogen oxides at Beromünster, data hosted by EBAS at NILU, Part of DOI: https://doi.org/10.48597/RGJZ-SZVZ&quot;, &#xA;    &quot;Set type code&quot;: &quot;TU&quot;, &#xA;    &quot;Timezone&quot;: &quot;UTC&quot;, &#xA;    &quot;File name&quot;: &quot;CH0053R.20230101000000.20260903073323...air.3y.1h...lev3a.nc&quot;, &#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/RGJZ-SZVZ&quot;, &#xA;    &quot;File creation&quot;: &quot;2026-09-03T09:39:06.880794 UTC&quot;, &#xA;    &quot;Export state&quot;: &quot;2026-09-03T09:25:05.561113 UTC&quot;, &#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;, &#xA;    &quot;Startdate&quot;: &quot;20230101000000&quot;, &#xA;    &quot;Revision date&quot;: &quot;20260903073323&quot;, &#xA;    &quot;Version&quot;: &quot;1&quot;, &#xA;    &quot;Version description&quot;: &quot;initial revision, manually inspected&quot;, &#xA;    &quot;Input dataset&quot;: &quot;Instrument type: aws, Instrument ref: CH01L_BRM_meteo, Method ref: CH01L_meteo, Data level: 0, Version: 1&quot;, &#xA;    &quot;Data level&quot;: &quot;3a&quot;, &#xA;    &quot;Period code&quot;: &quot;3y&quot;, &#xA;    &quot;Resolution code&quot;: &quot;1h&quot;, &#xA;    &quot;Sample duration&quot;: &quot;1h&quot;, &#xA;    &quot;Orig. time res.&quot;: &quot;1mn&quot;, &#xA;    &quot;Station code&quot;: &quot;CH0053R&quot;, &#xA;    &quot;Platform code&quot;: &quot;CH0053S&quot;, &#xA;    &quot;Station name&quot;: &quot;Beromünster&quot;, &#xA;    &quot;Station WDCA-ID&quot;: &quot;GAWACH__BRM&quot;, &#xA;    &quot;Station GAW-ID&quot;: &quot;BRM&quot;, &#xA;    &quot;Station GAW-Name&quot;: &quot;BEROMUENSTER&quot;, &#xA;    &quot;Station land use&quot;: &quot;Agricultural&quot;, &#xA;    &quot;Station setting&quot;: &quot;Rural&quot;, &#xA;    &quot;Station GAW type&quot;: &quot;R&quot;, &#xA;    &quot;Station WMO region&quot;: &quot;7&quot;, &#xA;    &quot;Station latitude&quot;: &quot;47.18961391&quot;, &#xA;    &quot;Station longitude&quot;: &quot;8.175433684&quot;, &#xA;    &quot;Station altitude&quot;: &quot;797.0 m&quot;, &#xA;    &quot;Measurement height&quot;: &quot;5.0 m&quot;, &#xA;    &quot;Regime&quot;: &quot;IMG&quot;, &#xA;    &quot;Matrix&quot;: &quot;air&quot;, &#xA;    &quot;Laboratory code&quot;: &quot;CH01L&quot;, &#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;, &#xA;    &quot;Inlet description&quot;: &quot;upward with hat&quot;, &#xA;    &quot;Inlet tube material&quot;: &quot;Teflon&quot;, &#xA;    &quot;Ozone correction&quot;: &quot;Corrected for reaction with O3 in the inlet&quot;, &#xA;    &quot;Water vapor correction&quot;: &quot;Not applicable as calibrated at ambient humidity&quot;, &#xA;    &quot;Humidity/temperature control&quot;: &quot;None&quot;, &#xA;    &quot;Humidity/temperature control description&quot;: &quot;None&quot;, &#xA;    &quot;Detection limit expl.&quot;: &quot;Detection limit = 0.04 ppb&quot;, &#xA;    &quot;Zero/negative values code&quot;: &quot;Zero/negative possible&quot;, &#xA;    &quot;Zero/negative values&quot;: &quot;Zero and neg. values may appear due to statistical variations at very low concentrations&quot;, &#xA;    &quot;Organization&quot;: &quot;CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland&quot;, &#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, EMEP, GAW-WDCRG&quot;, &#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases&quot;, &#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;, &#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth&quot;, &#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, kt@nilu.no, kt@nilu.no&quot;, &#xA;    &quot;Originator&quot;: &quot;Hueglin, Christoph, , , , , , , , , &quot;, &#xA;    &quot;Submitter&quot;: &quot;Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany&quot;, &#xA;    &quot;Acknowledgement&quot;: &quot;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&quot;&#xA;}" />
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  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="26304" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="nitrogen_monoxide_nmol_per_mol_stddev_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_nmol_per_mol_perc8413_qc_flags" length="1" />
  <dimension name="NOx_ug_N_per_m3_stddev_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_ug_N_per_m3_amean_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_ug_N_per_m3_prec1587_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_nmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_nmol_per_mol_perc8413_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_ug_N_per_m3_amean_qc_flags" length="1" />
  <dimension name="NOx_ug_N_per_m3_amean_qc_flags" length="1" />
  <dimension name="NOx_ug_N_per_m3_perc8413_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_nmol_per_mol_prec1587_qc_flags" length="1" />
  <dimension name="NOx_nmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_ug_N_per_m3_stddev_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_ug_N_per_m3_perc8413_qc_flags" length="1" />
  <dimension name="NOx_nmol_per_mol_stddev_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_nmol_per_mol_stddev_qc_flags" length="1" />
  <dimension name="NOx_nmol_per_mol_perc8413_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_nmol_per_mol_prec1587_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_ug_N_per_m3_prec1587_qc_flags" length="1" />
  <dimension name="nitrogen_dioxide_nmol_per_mol_amean_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_ug_N_per_m3_perc8413_qc_flags" length="1" />
  <dimension name="nitrogen_monoxide_ug_N_per_m3_stddev_qc_flags" length="1" />
  <dimension name="NOx_ug_N_per_m3_prec1587_qc_flags" length="1" />
  <dimension name="NOx_nmol_per_mol_prec1587_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2023-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2025-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1095DT23H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-09-09" />
    <attribute name="nciso_version" value="2.4.8" />
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  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="nitrogen_monoxide_nmol_per_mol_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="NOx_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nox_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="NOx_ug N_per_m3_amean_qc NOx_ug N_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53_TAPIT500U_53" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="nitrogen_monoxide_nmol_per_mol_stddev_qc" shape="nitrogen_monoxide_nmol_per_mol_stddev_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="NOx_nmol_per_mol_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nox_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="NOx_nmol_per_mol_perc8413_qc NOx_nmol_per_mol_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53_TAPIT500U_53" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_unit" value="nmol/mol" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="NOx_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nox_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="NOx_nmol_per_mol_amean_qc NOx_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53_TAPIT500U_53" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_unit" value="nmol/mol" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="nitrogen_monoxide_nmol_per_mol_stddev" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_monoxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="nitrogen_monoxide_nmol_per_mol_stddev_qc nitrogen_monoxide_nmol_per_mol_stddev_ebasmetadata" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_instrument_model" value="42i-TL" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_unit" value="nmol/mol" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="nitrogen_dioxide_ug_N_per_m3_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_dioxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrogen_dioxide_ug N_per_m3_perc8413_qc nitrogen_dioxide_ug N_per_m3_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_instrument_model" value="T500U" />
    <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_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_instrument_type" value="CAPS" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_name" value="TAPIT500U_53" />
    <attribute name="ebas_method_ref" value="CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
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    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_instrument_type" value="CAPS" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="units" value="1" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nox_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrogen_dioxide_nmol_per_mol_stddev_qc" shape="nitrogen_dioxide_nmol_per_mol_stddev_qc_flags time" type="int">
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  <variable name="NOx_nmol_per_mol_prec1587_ebasmetadata" shape="metadata_time" type="String">
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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_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
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    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_instrument_type" value="CAPS" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
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    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_monoxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
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    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_instrument_model" value="42i-TL" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
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    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
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    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
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    <attribute name="ebas_statistics" value="percentile:15.87" />
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  <variable name="NOx_ug_N_per_m3_stddev" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nox_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
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    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
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    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
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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_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
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    <attribute name="ebas_orig_time_res" value="1mn" />
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    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
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    <attribute name="ebas_inlet_description" value="upward with hat" />
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    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
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    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
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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="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrogen_dioxide_ug_N_per_m3_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="nitrogen_dioxide_nmol_per_mol_prec1587" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
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    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_instrument_type" value="CAPS" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_manufacturer" value="Teledyne" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_component" value="nitrogen_dioxide" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_instrument_name" value="TAPIT500U_53" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_method_ref" value="CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="NOx_ug_N_per_m3_perc8413" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nox_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="NOx_ug N_per_m3_perc8413_qc NOx_ug N_per_m3_perc8413_ebasmetadata" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53_TAPIT500U_53" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="NOx_nmol_per_mol_stddev" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nox_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="NOx_nmol_per_mol_stddev_qc NOx_nmol_per_mol_stddev_ebasmetadata" />
    <attribute name="cell_methods" value="time: standard_deviation" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_CH01L_CAPS_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_statistics" value="stddev" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_component" value="NOx" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53_TAPIT500U_53" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_instrument_type" value="multiple_instrument_types" />
    <attribute name="ebas_organization" value="CH01L, Swiss Federal Laboratories for Materials Science and Technology, EMPA, Section Air Pollution, Überlandstrasse 133, , 8600, Dübendorf, Switzerland" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_unit" value="nmol/mol" />
    <attribute name="ebas_station_code" value="CH0053R" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="nitrogen_monoxide_ug_N_per_m3_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrogen_monoxide_ug_N_per_m3_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrogen_monoxide_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrogen_monoxide_ug N_per_m3_amean_qc nitrogen_monoxide_ug N_per_m3_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_instrument_model" value="42i-TL" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_data_level" value="3a" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_station_name" value="Beromünster" />
    <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre., The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_ozone_correction" value="Corrected for reaction with O3 in the inlet" />
    <attribute name="ebas_station_latitude" value="47.18961391" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_detection_limit_expl" value="Detection limit = 0.04 ppb" />
    <attribute name="ebas_unit" value="ug N/m3" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no" />
    <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_station_code" value="CH0053R" />
    <attribute name="ebas_calibration_scale" value="NPL" />
    <attribute name="ebas_measurement_height" value="5.0 m" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, EMEP, GAW-WDCRG" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
  </variable>
  <variable name="nitrogen_dioxide_nmol_per_mol_amean_qc" shape="nitrogen_dioxide_nmol_per_mol_amean_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrogen_monoxide_ug_N_per_m3_perc8413_qc" shape="nitrogen_monoxide_ug_N_per_m3_perc8413_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrogen_monoxide_ug_N_per_m3_stddev_qc" shape="nitrogen_monoxide_ug_N_per_m3_stddev_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="nitrogen_monoxide_nmol_per_mol_amean" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitrogen_monoxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="nitrogen_monoxide_nmol_per_mol_amean_qc nitrogen_monoxide_nmol_per_mol_amean_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_humidity_temperaure_control_description" value="None" />
    <attribute name="ebas_originator" value="Hueglin, Christoph, , , , , , , , , " />
    <attribute name="ebas_station_wmo_region" value="7" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_laboratory_code" value="CH01L" />
    <attribute name="ebas_station_gaw_name" value="BEROMUENSTER" />
    <attribute name="ebas_instrument_manufacturer" value="Thermo" />
    <attribute name="ebas_component" value="nitrogen_monoxide" />
    <attribute name="ebas_submitter" value="Wegener, Robert, r.wegener@fz-juelich.de, Forschungszentrum Jülich GmbH, FZJ, Institut for Energy and Climate Research IEK8 Troposphere, , , 52425, Jülich, Germany" />
    <attribute name="ebas_revision_date" value="20260903073323" />
    <attribute name="ebas_inlet_description" value="upward with hat" />
    <attribute name="ebas_station_gaw_id" value="BRM" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_method_ref" value="CH01L_CLM_DE20L_NOx_corr_O3_H2O" />
    <attribute name="ebas_station_altitude" value="797.0 m" />
    <attribute name="ebas_water_vapor_correction" value="Not applicable as calibrated at ambient humidity" />
    <attribute name="ebas_station_longitude" value="8.175433684" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__BRM" />
    <attribute name="ebas_instrument_type" value="chemiluminescence_molybdenum" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_instrument_model" value="42i-TL" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_instrument_name" value="TEI42ITL_Mo_53" />
    <attribute name="ebas_inlet_tube_material" value="Teflon" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_platform_code" value="CH0053S" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_data_level" value="3a" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth" />
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