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  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Inorganics in air and particle phase at Payerne" />
  <attribute name="summary" value="Inorganics in air and particle phase at Payerne. These measurements are gathered as a part of the following projects ACTRIS, CREATE, EMEP, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in pm1_non_refractory (mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'ammonium in pm1_non_refractory (mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'chloride in pm1_non_refractory (mass_concentration_of_chloride_in_non_refractory_pm1_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'organic_mass in pm1_non_refractory (mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Payerne CH0002R ammonium chloride nitrate organic_mass sulphate_total pm1_non_refractory ACTRIS CREATE EMEP GAW-WDCA mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_chloride_in_non_refractory_pm1_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
  <attribute name="id" value="JFTV-CTQE.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, CREATE, EMEP, GAW-WDCA" />
  <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, CREATE, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/JFTV-CTQE" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Nowak, N., Brem, B., Gysel-Beer, M., Simon, L., Simon, L., Modini, R., ACTRIS, CREATE, EMEP, GAW-WDCA, 2026, Inorganics in air and particle phase at Payerne, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JFTV-CTQE" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="CH02L &quot;Paul Scherrer Institut&quot; PSI &quot;Laboratory of Atmospheric Chemistry (LAC)&quot; OFLB 5232 &quot;Villigen PSI&quot; Switzerland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-07-01T14:06:32.600258Z" />
  <attribute name="date_metadata_modified" value="2026-05-28T16:37:38Z" />
  <attribute name="creator_name" value="Nora Nowak, Benjamin Brem, Martin Gysel-Beer, Leïla Simon, Leila Simon, Robin Modini" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="nora.nowak@psi.ch, benjamin.brem@psi.ch, martin.gysel@psi.ch, leila.simon@psi.ch, leila.simon@psi.ch, robin.modini@psi.ch" />
  <attribute name="creator_institution" value="&quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;, &quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;, &quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;, &quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;, &quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;, &quot;Paul Scherrer Institute, Laboratory of Atmospheric Chemistry, PSI&quot;" />
  <attribute name="contributor_name" value="Nora Nowak, Leïla Simon, Leila Simon" />
  <attribute name="contributor_role" value="data submitter, data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="MULTIPOINT Z ((6.944722 46.813056 489), (6.9444722 46.813056 489))" />
  <attribute name="geospatial_lat_min" type="double" value="46.813056" />
  <attribute name="geospatial_lat_max" type="double" value="46.813056" />
  <attribute name="geospatial_lon_min" type="double" value="6.9444722" />
  <attribute name="geospatial_lon_max" type="double" value="6.944722" />
  <attribute name="geospatial_vertical_min" type="double" value="489.0" />
  <attribute name="geospatial_vertical_max" type="double" value="489.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2023-04-20T14:00:00Z" />
  <attribute name="time_coverage_end" value="2026-01-01T04:00:00Z" />
  <attribute name="time_coverage_duration" value="P0002-08-11T14:00:00" />
  <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="Nowak, N., Brem, B., Gysel-Beer, M., Simon, L., Simon, L., Modini, R., ACTRIS, CREATE, EMEP, GAW-WDCA, 2026, Inorganics in air and particle phase at Payerne, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/JFTV-CTQE" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="JFTV-CTQE.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/JFTV-CTQE" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/JFTV-CTQE" />
  <attribute name="ebas_file_creation" value="2026-07-01T14:11:35.095168Z" />
  <attribute name="ebas_export_state" value="2026-07-01T14:06:32.600258Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2023-04-20T14:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2026-05-28T16:37:38.000000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="3y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_station_code" value="CH0002R" />
  <attribute name="ebas_platform_code" value="CH0002S" />
  <attribute name="ebas_station_name" value="Payerne" />
  <attribute name="ebas_station_wdca_id" value="GAWACH__PAY" />
  <attribute name="ebas_station_gaw_id" value="PAY" />
  <attribute name="ebas_station_gaw_name" value="Payerne" />
  <attribute name="ebas_station_other_ids" value="Payerne (EARLINET)" />
  <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" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="46.813056" />
  <attribute name="ebas_station_longitude" type="double" value="6.9444722" />
  <attribute name="ebas_station_altitude" value="489.0 m" />
  <attribute name="ebas_measurement_latitude" type="double" value="46.813056" />
  <attribute name="ebas_measurement_longitude" type="double" value="6.944722" />
  <attribute name="ebas_measurement_altitude" value="489.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_matrix" value="pm1_non_refractory" />
  <attribute name="ebas_laboratory_code" value="CH02L" />
  <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
  <attribute name="ebas_instrument_name" value="Aerodyne_ToF-ACSM_092" />
  <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
  <attribute name="ebas_instrument_model" value="ToF-ACSM" />
  <attribute name="ebas_instrument_serial_number" value="092" />
  <attribute name="ebas_method_ref" value="CH02L_Aerodyne_ToF-ACSM_PAY" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="PM10 inlet (Digitel), collects aerosols and hydrometeors smaller than 10 micrometers" />
  <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 25 deg. C" />
  <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried to below 40% RH due to nafion dryer" />
  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
  <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="CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, , 5232, Villigen PSI, Switzerland" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, CREATE, EMEP, GAW-WDCA" />
  <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 Aerosols" />
  <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., &quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Nowak, Nora, nora.nowak@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Brem, Benjamin, benjamin.brem@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Gysel-Beer, Martin, martin.gysel@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, Forschungsstrasse 111, OFLA, 5232, Villigen PSI, Switzerland&quot;, &quot;Simon, Leïla, leila.simon@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Simon, Leila, leila.simon@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Modini, Robin, robin.modini@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;" />
  <attribute name="ebas_submitter" value="&quot;Nowak, Nora, nora.nowak@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Simon, Leïla, leila.simon@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&quot;, &quot;Simon, Leila, leila.simon@psi.ch, Paul Scherrer Institute, PSI, Laboratory of Atmospheric Chemistry, , , 5232, Villigen PSI, Switzerland&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, CREATE, EMEP, GAW-WDCA. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="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="22557" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="3" />
  <dimension name="qc_ammonium_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_ammonium_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_chloride_amean_flags" length="1" />
  <dimension name="qc_chloride_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_organic_mass_amean_flags" length="1" />
  <dimension name="qc_organic_mass_uncertainty_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_amean_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_uncertainty_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_uncertainty_flags" length="1" />
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    <attribute name="time_coverage_start" value="2023-04-20T14:30:00Z" />
    <attribute name="time_coverage_end" value="2026-01-01T03:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3778.0" />
    <attribute name="time_coverage_duration" value="P0Y0M986DT13H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-07-07" />
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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" />
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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="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonium_ug_N_per_m3_amean meta_ammonium_ug_N_per_m3_amean" />
    <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="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_station_code" value="CH0002R" />
    <attribute name="ebas_platform_code" value="CH0002S" />
    <attribute name="ebas_station_name" value="Payerne" />
    <attribute name="ebas_station_wdca_id" value="GAWACH__PAY" />
    <attribute name="ebas_station_gaw_id" value="PAY" />
    <attribute name="ebas_station_gaw_name" value="Payerne" />
    <attribute name="ebas_station_other_ids" value="Payerne (EARLINET)" />
    <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" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.813056" />
    <attribute name="ebas_station_longitude" type="double" value="6.9444722" />
    <attribute name="ebas_station_altitude" value="489.0 m" />
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    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="CH02L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_ToF-ACSM_092" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="ToF-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="092" />
    <attribute name="ebas_method_ref" value="CH02L_Aerodyne_ToF-ACSM_PAY" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 inlet (Digitel), collects aerosols and hydrometeors smaller than 10 micrometers" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature conditioning at 25 deg. C" />
    <attribute name="ebas_humidity_temperaure_control_description" value="Sample dried to below 40% RH due to nafion dryer" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <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="CH02L, Paul Scherrer Institut, PSI, Laboratory of Atmospheric Chemistry (LAC), OFLB, , 5232, Villigen PSI, Switzerland" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, CREATE, EMEP, GAW-WDCA" />
    <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 Aerosols" />
    <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., &quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Kjetil Tørseth, Kjetil Tørseth, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, kt@nilu.no, kt@nilu.no, Markus.Fiebig@nilu.no" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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