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  <attribute name="title" value="Inorganics in air and particle phase at Schauinsland" />
  <attribute name="summary" value="Inorganics in air and particle phase at Schauinsland. These measurements are gathered as a part of the following projects EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonia in air (mole_fraction_of_ammonia_in_air)', 'ammonia in air (mass_concentration_of_ammonia_expressed_as_nitrogen_in_air)', 'chloride in aerosol (mass_concentration_of_chloride_in_dry_aerosol_particles_in_air)', 'hydrochloric_acid in air (mole_fraction_of_hydrochloric_acid_in_air)', 'hydrochloric_acid in air (mass_concentration_of_hydrochloric_acid_expressed_as_chlorine_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)', 'nitric_acid in air (mole_fraction_of_nitric_acid_in_air)', 'nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air)', 'sulphate_corrected in aerosol (mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_dry_aerosol_particles_in_air)', 'sulphate_corrected in aerosol (mass_concentration_of_sulphate_corrected_for_seaspray_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 (mole_fraction_of_sulphur_dioxide_in_air)', 'sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)', 'sum_nitric_acid_and_nitrate in air+aerosol (mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Schauinsland DE0003R ammonia chloride hydrochloric_acid nitrate nitric_acid sulphate_corrected sulphate_total sulphur_dioxide sum_nitric_acid_and_nitrate air aerosol air+aerosol EMEP mole_fraction_of_ammonia_in_air mass_concentration_of_ammonia_expressed_as_nitrogen_in_air mass_concentration_of_chloride_in_dry_aerosol_particles_in_air mole_fraction_of_hydrochloric_acid_in_air mass_concentration_of_hydrochloric_acid_expressed_as_chlorine_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 mole_fraction_of_nitric_acid_in_air mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_dry_aerosol_particles_in_air mass_concentration_of_sulphate_corrected_for_seaspray_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 mole_fraction_of_sulphur_dioxide_in_air mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air" />
  <attribute name="id" value="J8BG-AN83.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/J8BG-AN83" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Bieber, E., EMEP, 2025, Inorganics in air and particle phase at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/J8BG-AN83" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DE03L Umweltbundesamt UBA-LA Langen &quot;Paul-Ehrlich-Str. 29&quot; 63225 Langen Germany" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2025-10-07T14:09:36.725937Z" />
  <attribute name="date_metadata_modified" value="2025-10-07T14:09:34Z" />
  <attribute name="creator_name" value="Elke Bieber" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Anke Penzlin" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (7.908611 47.914722 1205)" />
  <attribute name="geospatial_lat_min" type="double" value="47.914722" />
  <attribute name="geospatial_lat_max" type="double" value="47.914722" />
  <attribute name="geospatial_lon_min" type="double" value="7.908611" />
  <attribute name="geospatial_lon_max" type="double" value="7.908611" />
  <attribute name="geospatial_vertical_min" type="double" value="1205.0" />
  <attribute name="geospatial_vertical_max" type="double" value="1205.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2014-12-31T23:00:00Z" />
  <attribute name="time_coverage_end" value="2015-12-31T23:00:00Z" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-01T00:00:00" />
  <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="Bieber, E., EMEP, 2025, Inorganics in air and particle phase at Schauinsland, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/J8BG-AN83" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="J8BG-AN83.nc" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/J8BG-AN83" />
  <attribute name="ebas_file_creation" value="2026-06-12T22:03:08.243386Z" />
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  <attribute name="ebas_startdate" value="2014-12-31T23:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2025-10-07T14:09:34.914184Z" />
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  <attribute name="ebas_orig_time_res" value="1d" />
  <attribute name="ebas_station_code" value="DE0003R" />
  <attribute name="ebas_platform_code" value="DE0003S" />
  <attribute name="ebas_station_name" value="Schauinsland" />
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  <attribute name="ebas_station_longitude" type="double" value="7.908611" />
  <attribute name="ebas_station_altitude" value="1205.0 m" />
  <attribute name="ebas_measurement_height" value="3.5 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="DE03L" />
  <attribute name="ebas_instrument_type" value="filter_3pack" />
  <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
  <attribute name="ebas_instrument_manufacturer" value="Riemer" />
  <attribute name="ebas_instrument_model" value="SPF4" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
  <attribute name="ebas_inlet_type" value="None--open-face filter" />
  <attribute name="ebas_inlet_description" value="Downward facing" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
  <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
  <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
  <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
  <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
  <attribute name="ebas_framework_acronym" value="EMEP" />
  <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
  <attribute name="ebas_framework_description" value="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." />
  <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
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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="365" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_ammonia_nmol_per_mol_flags" length="1" />
  <dimension name="qc_ammonia_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_chloride_flags" length="1" />
  <dimension name="qc_hydrochloric_acid_nmol_per_mol_flags" length="1" />
  <dimension name="qc_hydrochloric_acid_ug_Cl_per_m3_flags" length="1" />
  <dimension name="qc_nitrate_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_nitrate_ug_per_m3_flags" length="1" />
  <dimension name="qc_nitric_acid_nmol_per_mol_flags" length="1" />
  <dimension name="qc_nitric_acid_ug_N_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_corrected_ug_S_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_corrected_ug_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_S_per_m3_flags" length="1" />
  <dimension name="qc_sulphate_total_ug_per_m3_flags" length="1" />
  <dimension name="qc_sulphur_dioxide_nmol_per_mol_flags" length="2" />
  <dimension name="qc_sulphur_dioxide_ug_S_per_m3_flags" length="2" />
  <dimension name="qc_sum_nitric_acid_and_nitrate_flags" length="2" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2015-01-01T11:00:00Z" />
    <attribute name="time_coverage_end" value="2015-12-31T11:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M364DT0H0M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-07-07" />
    <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" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="v_ammonia_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_ammonia_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_ammonia_nmol_per_mol meta_ammonia_nmol_per_mol" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonia" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_FIA_0001" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="Oxalic acid" />
    <attribute name="ebas_sample_preparation" value="Acid 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" />
    <attribute name="ebas_detection_limit" value="0.06667 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
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    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.7173638. Detection limit converted from '0.03882 ug N/m3' at 293.15 K, 1013.25 hPa to '0.06667 nmol/mol', conversion factor 1.7173638." />
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    <attribute name="actris_variable_preferred_term" value="ammonia amount fraction" />
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    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_ammonia_ug_N_per_m3 meta_ammonia_ug_N_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonia" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_FIA_0001" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="Oxalic acid" />
    <attribute name="ebas_sample_preparation" value="Acid 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" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.03882 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/ammoniamassconcentration" />
    <attribute name="actris_variable_preferred_term" value="ammonia 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/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_ammonia_ug_N_per_m3" shape="qc_ammonia_ug_N_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_ammonia_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_chloride meta_chloride" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <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" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_chloride" shape="qc_chloride_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_chloride" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_hydrochloric_acid_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_hydrochloric_acid_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_hydrochloric_acid_nmol_per_mol meta_hydrochloric_acid_nmol_per_mol" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="hydrochloric_acid" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
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    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
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    <attribute name="ebas_sample_preparation" value="H2O2 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" />
    <attribute name="ebas_detection_limit" value="0.0339282 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug Cl/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.678564608. Detection limit converted from '0.05 ug Cl/m3' at 293.15 K, 1013.25 hPa to '0.0339282 nmol/mol', conversion factor 0.678564608." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/hydrochloricacidamountfraction" />
    <attribute name="actris_variable_preferred_term" value="gaseous hydrochloric acid amount fraction" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_hydrochloric_acid_nmol_per_mol" shape="qc_hydrochloric_acid_nmol_per_mol_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
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  <variable name="meta_hydrochloric_acid_nmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_hydrochloric_acid_ug_Cl_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_hydrochloric_acid_expressed_as_chlorine_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_hydrochloric_acid_ug_Cl_per_m3 meta_hydrochloric_acid_ug_Cl_per_m3" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
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    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
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    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="hydrochloric_acid" />
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    <attribute name="ebas_matrix" value="air" />
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    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
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    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
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    <attribute name="ebas_sample_preparation" value="H2O2 extraction" />
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    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/hydrochloricacidmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gaseous hydrochloric acid mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as chlorine" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_hydrochloric_acid_ug_Cl_per_m3" shape="qc_hydrochloric_acid_ug_Cl_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_hydrochloric_acid_ug_Cl_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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" />
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    <attribute name="ancillary_variables" value="qc_nitrate_ug_N_per_m3 meta_nitrate_ug_N_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.01129 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <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_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_N_per_m3" shape="qc_nitrate_ug_N_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrate_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_nitrate_ug_per_m3 meta_nitrate_ug_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.0499778 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' to 'ug/m3', conversion factor 4.426729492. Detection limit converted from '0.01129 ug N/m3' to '0.0499778 ug/m3', conversion factor 4.426729492." />
    <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" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitrate_ug_per_m3" shape="qc_nitrate_ug_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitrate_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitric_acid_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_nitric_acid_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_nitric_acid_nmol_per_mol meta_nitric_acid_nmol_per_mol" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitric_acid" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="H2O2 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" />
    <attribute name="ebas_detection_limit" value="0.019389 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug N/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 1.71736384. Detection limit converted from '0.01129 ug N/m3' at 293.15 K, 1013.25 hPa to '0.019389 nmol/mol', conversion factor 1.71736384." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitricacidamountfraction" />
    <attribute name="actris_variable_preferred_term" value="nitric acid amount fraction" />
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    <attribute name="actris_matrix_preferred_term" value="gas phase" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitric_acid_nmol_per_mol" shape="qc_nitric_acid_nmol_per_mol_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
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    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitric_acid_nmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nitric_acid_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_nitric_acid_ug_N_per_m3 meta_nitric_acid_ug_N_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitric_acid" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="H2O2 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" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.01129 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/nitricacidmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="nitric acid 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/expressedasnitrogen" />
    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_nitric_acid_ug_N_per_m3" shape="qc_nitric_acid_ug_N_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_nitric_acid_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_corrected_ug_S_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_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="qc_sulphate_corrected_ug_S_per_m3 meta_sulphate_corrected_ug_S_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.01669 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <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, https://vocabulary.actris.nilu.no/actris_vocab/seaspraysubtracted" />
    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur, sea spray subtracted" />
    <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_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_corrected_ug_S_per_m3" shape="qc_sulphate_corrected_ug_S_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphate_corrected_ug_S_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphate_corrected_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sulphate_corrected_for_seaspray_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="qc_sulphate_corrected_ug_per_m3 meta_sulphate_corrected_ug_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.05001 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9961822. Detection limit converted from '0.01669 ug S/m3' to '0.05001 ug/m3', conversion factor 2.9961822." />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_sulphate_corrected_ug_per_m3" shape="qc_sulphate_corrected_ug_per_m3_flags time" type="int">
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    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphate_corrected_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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" />
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    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3 meta_sulphate_total_ug_S_per_m3" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
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    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
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    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP." />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as sulfur" />
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    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
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    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_sulphate_total_ug_S_per_m3" shape="qc_sulphate_total_ug_S_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphate_total_ug_S_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_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="qc_sulphate_total_ug_per_m3 meta_sulphate_total_ug_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water extraction" />
    <attribute name="ebas_blank_correction" value="Not blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="filter kept at ambient conditions" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.05001 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9961822. Detection limit converted from '0.01669 ug S/m3' to '0.05001 ug/m3', conversion factor 2.9961822." />
    <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_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3" shape="qc_sulphate_total_ug_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphate_total_ug_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphur_dioxide_nmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_sulphur_dioxide_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="nmol/mol" />
    <attribute name="ancillary_variables" value="qc_sulphur_dioxide_nmol_per_mol meta_sulphur_dioxide_nmol_per_mol" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="nmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="H2O2 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" />
    <attribute name="ebas_detection_limit" value="0.0125228 nmol/mol" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' at 293.15 K, 1013.25 hPa to 'nmol/mol', conversion factor 0.750315514. Detection limit converted from '0.01669 ug S/m3' at 293.15 K, 1013.25 hPa to '0.0125228 nmol/mol', conversion factor 0.750315514." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/sulfurdioxideamountfraction" />
    <attribute name="actris_variable_preferred_term" value="sulfur dioxide amount fraction" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasphase" />
    <attribute name="actris_matrix_preferred_term" value="gas phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphur_dioxide_nmol_per_mol" shape="qc_sulphur_dioxide_nmol_per_mol_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphur_dioxide_nmol_per_mol" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sulphur_dioxide_ug_S_per_m3" 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="qc_sulphur_dioxide_ug_S_per_m3 meta_sulphur_dioxide_ug_S_per_m3" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 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="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_sample_preparation" value="H2O2 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" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.01669 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <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_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphur_dioxide_ug_S_per_m3" shape="qc_sulphur_dioxide_ug_S_per_m3_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sulphur_dioxide_ug_S_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sum_nitric_acid_and_nitrate" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_gaseous_phase_and_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sum_nitric_acid_and_nitrate meta_sum_nitric_acid_and_nitrate" />
    <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="2025-10-07T14:09:34.914184Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, automatically generated, 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="DE0003R" />
    <attribute name="ebas_platform_code" value="DE0003S" />
    <attribute name="ebas_station_name" value="Schauinsland" />
    <attribute name="ebas_station_latitude" type="double" value="47.914722" />
    <attribute name="ebas_station_longitude" type="double" value="7.908611" />
    <attribute name="ebas_station_altitude" value="1205.0 m" />
    <attribute name="ebas_measurement_height" value="3.5 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sum_nitric_acid_and_nitrate" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air+aerosol" />
    <attribute name="ebas_laboratory_code" value="DE03L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="UBA_Sc_3FP_0001" />
    <attribute name="ebas_instrument_manufacturer" value="Riemer" />
    <attribute name="ebas_instrument_model" value="SPF4" />
    <attribute name="ebas_method_ref" value="DE01L_UBA_Sc_ICS_0002" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="None--open-face filter" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_coating_solution" value="None" />
    <attribute name="ebas_sample_preparation" value="Water+H2O2 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" />
    <attribute name="ebas_volume_std_temperature" value="293.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_detection_limit" value="0.01129 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by estimation" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as measured if within detection limit, flagged with 780" />
    <attribute name="ebas_organization" value="DE03L, Umweltbundesamt, UBA-LA, Langen, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
    <attribute name="ebas_framework_description" value="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." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Bieber, Elke, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Penzlin, Anke, anke.penzlin@uba.de, Umweltbundesamt Langen, UBA, Air Monitoring Network, Paul-Ehrlich-Str. 29, , 63225, Langen, Germany&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 framework: EMEP." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlenitricacidandnitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gas and particle nitric acid and nitrate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="gas and 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_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP" />
    <attribute name="actris_framework_preferred_term" value="EMEP" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sum_nitric_acid_and_nitrate" shape="qc_sum_nitric_acid_and_nitrate_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="meta_sum_nitric_acid_and_nitrate" 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>
