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  <attribute name="title" value="Inorganics in air and particle phase at Leba" />
  <attribute name="summary" value="Inorganics in air and particle phase at Leba. These measurements are gathered as a part of the following projects EMEP, GAW-WDCA, GAW-WDCRG, HELCOM and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air)', 'chloride in aerosol (mass_concentration_of_chloride_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air)', 'sulphate_total in aerosol (mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air)', 'sulphate_total in aerosol (mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air)', 'sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)']" />
  <attribute name="keywords" value="Leba PL0004R ammonium chloride nitrate sulphate_total sulphur_dioxide aerosol air EMEP GAW-WDCA GAW-WDCRG HELCOM mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air mass_concentration_of_chloride_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air" />
  <attribute name="id" value="YHD9-ZTMB.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP, GAW-WDCA, GAW-WDCRG, HELCOM" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/YHD9-ZTMB" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Bogucka, M., EMEP, GAW-WDCA, GAW-WDCRG, HELCOM, 2024, Inorganics in air and particle phase at Leba, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YHD9-ZTMB" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="PL01L &quot;Institute of Meteorology and Water Management - National Research Institute&quot; &quot;IMWM - NRI&quot; &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2024-09-17T14:21:20.037439Z" />
  <attribute name="date_metadata_modified" value="2024-09-17T09:42:57 UTC" />
  <attribute name="creator_name" value="Magdalena Bogucka" />
  <attribute name="creator_type" value="person" />
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  <attribute name="contributor_name" value="Magdalena Bogucka" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
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  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="54.753894" />
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  <attribute name="geospatial_vertical_min" type="double" value="2.0" />
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  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2014-01-01T06:00:00 UTC" />
  <attribute name="time_coverage_end" value="2023-01-01T06:00:00 UTC" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_file_creation" value="2026-03-26T12:30:10.777684Z" />
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  <attribute name="ebas_platform_code" value="PL0004S" />
  <attribute name="ebas_station_name" value="Leba" />
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  <attribute name="ebas_measurement_height" value="3.0 m" />
  <attribute name="ebas_regime" value="IMG" />
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  <attribute name="ebas_sample_preparation" value="Water extraction" />
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  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
  <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
  <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
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  <attribute name="ebas_framework_name" value="" />
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  <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" />
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  <dimension name="time" length="3287" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="9" />
  <dimension name="ammonium_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="ammonium_ug_per_m3_qc_flags" length="1" />
  <dimension name="chloride_qc_flags" length="1" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="nitrate_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphur_dioxide_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2014-01-01T18:00:00Z" />
    <attribute name="time_coverage_end" value="2022-12-31T18:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M3286DT0H0M0.000S" />
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    <attribute name="metadata_creation" value="2026-05-18" />
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    <attribute name="long_name" value="time bounds for 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" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug N_per_m3_qc ammonium_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_component" value="ammonium" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_detection_limit" value="0.06 ug N/m3" />
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    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 1.288. Detection limit converted from '0.06 ug N/m3' to '0.1 ug/m3', conversion factor 1.288." />
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  </variable>
  <variable name="ammonium_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="chloride" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_chloride_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="chloride_qc chloride_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_SCNFe" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlechloridemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle chloride mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="chloride_qc" shape="chloride_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="chloride_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug N_per_m3_qc nitrate_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotom_griess_after_hydrazine_red" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.02 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="nitrate_ug_N_per_m3_qc" shape="nitrate_ug_N_per_m3_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="nitrate_ug_N_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="nitrate_ug_per_m3_qc nitrate_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotom_griess_after_hydrazine_red" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.1 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.427. Detection limit converted from '0.02 ug N/m3' to '0.1 ug/m3', conversion factor 4.427." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="nitrate_ug_per_m3_qc" shape="nitrate_ug_per_m3_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="nitrate_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_total_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_expressed_as_sulphur_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug S_per_m3_qc sulphate_total_ug S_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.2 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="sulphate_total_ug_S_per_m3_qc" shape="sulphate_total_ug_S_per_m3_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="sulphate_total_ug_S_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphate_total_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_total_ug_per_m3_qc sulphate_total_ug_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.6 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.996. Detection limit converted from '0.2 ug S/m3' to '0.6 ug/m3', conversion factor 2.996." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="sulphate_total_ug_per_m3_qc" shape="sulphate_total_ug_per_m3_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="sulphate_total_ug_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sulphur_dioxide" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphur_dioxide_qc sulphur_dioxide_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2024-09-17T09:42:57.214954Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="PL0004R" />
    <attribute name="ebas_platform_code" value="PL0004S" />
    <attribute name="ebas_station_name" value="Leba" />
    <attribute name="ebas_station_gaw_id" value="LEB" />
    <attribute name="ebas_station_gaw_name" value="Leba" />
    <attribute name="ebas_station_land_use" value="Grassland" />
    <attribute name="ebas_station_setting" value="Coastal" />
    <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="54.753894" />
    <attribute name="ebas_station_longitude" type="double" value="17.534264" />
    <attribute name="ebas_station_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_altitude" value="2.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="PL01L" />
    <attribute name="ebas_instrument_type" value="filter_2pack" />
    <attribute name="ebas_instrument_name" value="f2p_04" />
    <attribute name="ebas_instrument_manufacturer" value="IMWM" />
    <attribute name="ebas_instrument_model" value="Two stage inline" />
    <attribute name="ebas_method_ref" value="PL01L_spectrophotometric_thorin" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Downward-facing tube" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Glass fiber" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions together with sampling head." />
    <attribute name="ebas_detection_limit" value="0.2 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of field blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_organization" value="PL01L, Institute of Meteorology and Water Management - National Research Institute, IMWM - NRI, , &quot;Podlesna 61, PL-01673 WARSZAWA, Poland&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="" />
    <attribute name="ebas_framework_name" value="" />
    <attribute name="ebas_framework_description" value="" />
    <attribute name="ebas_framework_contact_name" value="" />
    <attribute name="ebas_framework_contact_email" value="" />
    <attribute name="ebas_originator" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Bogucka, Magdalena, , , , , , , , , &quot;" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/sulfurdioxidemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="sulfur dioxide mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/expressedassulfur" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="sulphur_dioxide_qc" shape="sulphur_dioxide_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="sulphur_dioxide_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="standard" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
