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  <attribute name="title" value="Inorganics in air and particle phase at K-puszta" />
  <attribute name="summary" value="Inorganics in air and particle phase at K-puszta. These measurements are gathered as a part of the following projects EMEP, GAW-WDCRG and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonia in air (mass_concentration_of_ammonia_expressed_as_nitrogen_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'ammonium in aerosol (mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air)', 'calcium in aerosol (mass_concentration_of_calcium_in_dry_aerosol_particles_in_air)', 'magnesium in aerosol (mass_concentration_of_magnesium_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air)', 'nitrate in aerosol (mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air)', 'nitric_acid in air (mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air)', 'potassium in aerosol (mass_concentration_of_potassium_in_dry_aerosol_particles_in_air)', 'sodium in aerosol (mass_concentration_of_sodium_in_dry_aerosol_particles_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 (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air)']" />
  <attribute name="keywords" value="K-puszta HU0002R ammonia ammonium calcium magnesium nitrate nitric_acid potassium sodium sulphate_corrected sulphate_total sulphur_dioxide air aerosol EMEP GAW-WDCRG mass_concentration_of_ammonia_expressed_as_nitrogen_in_air mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air mass_concentration_of_calcium_in_dry_aerosol_particles_in_air mass_concentration_of_magnesium_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air mass_concentration_of_potassium_in_dry_aerosol_particles_in_air mass_concentration_of_sodium_in_dry_aerosol_particles_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 mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air" />
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  <attribute name="project" value="EMEP, GAW-WDCRG" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/AXMP-TKA7" />
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  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="HU01L &quot;Hungarian Meteorological Service&quot; OMSZ &quot;Unit of Analysis on Ambient Air&quot; &quot;P.O.Box 39&quot; 1675 Budapest Hungary" />
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  <attribute name="date_created" value="2026-03-19T10:35:49.399578Z" />
  <attribute name="date_metadata_modified" value="2026-01-16T10:00:00Z" />
  <attribute name="creator_name" value="Attila Machon" />
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  <attribute name="contributor_name" value="Monika Puskas, Erzsebet Gyarmatine Meszaros" />
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  <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" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_measurement_altitude" value="128.0 m" />
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  <attribute name="ebas_instrument_model" value="Three stage open face" />
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  <attribute name="ebas_qa1_date" value="2025-01-25T00:00:00Z" />
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  <attribute name="ebas_originator" value="&quot;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
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  <dimension name="qc_calcium_flags" length="1" />
  <dimension name="qc_magnesium_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_flags" length="1" />
  <dimension name="qc_potassium_flags" length="1" />
  <dimension name="qc_sodium_flags" length="1" />
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  <dimension name="qc_sulphate_total_ug_S_per_m3_flags" length="1" />
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  <dimension name="qc_sulphur_dioxide_flags" length="1" />
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    <attribute name="time_coverage_start" value="2024-01-01T19:00:00Z" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="ancillary_variables" value="qc_ammonia meta_ammonia" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_code" value="HU0002R" />
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    <attribute name="ebas_analytical_measurement_technique" value="spectrophotometric" />
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    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
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    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="spectrophotometric" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_SPM2" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Gallery Plus" />
    <attribute name="ebas_analytical_instrument_serial_number" value="862000110201" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_SPM2" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_detection_limit" value="0.027 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &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/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium 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" />
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    <attribute name="actris_constraints_preferred_term" value="expressed as nitrogen" />
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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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    <attribute name="units" value="1" />
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  <variable name="meta_ammonium_ug_N_per_m3" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="qc_ammonium_ug_per_m3 meta_ammonium_ug_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="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
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    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="spectrophotometric" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_SPM2" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Thermo Scientific" />
    <attribute name="ebas_analytical_instrument_model" value="Gallery Plus" />
    <attribute name="ebas_analytical_instrument_serial_number" value="862000110201" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_SPM2" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
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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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &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 1.2879. Detection limit converted from '0.027 ug N/m3' to '0.03 ug/m3', conversion factor 1.2879." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleammoniummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle ammonium mass concentration" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
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  <variable name="qc_ammonium_ug_per_m3" shape="qc_ammonium_ug_per_m3_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="v_calcium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_calcium_in_dry_aerosol_particles_in_air" />
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    <attribute name="ancillary_variables" value="qc_calcium meta_calcium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="calcium" />
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    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
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    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="F-AAS" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_F-AAS" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &quot;" />
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    <attribute name="actris_framework_preferred_term" value="EMEP" />
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  <variable name="v_magnesium" shape="time" type="double">
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_magnesium meta_magnesium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="magnesium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="F-AAS" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_F-AAS" />
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    <attribute name="ebas_analytical_instrument_serial_number" value="PTCS18112803" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlemagnesiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle magnesium mass concentration" />
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    <attribute name="ancillary_variables" value="qc_nitrate_ug_N_per_m3 meta_nitrate_ug_N_per_m3" />
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    <attribute name="ebas_version" value="1" />
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    <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="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
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    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
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    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
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    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
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    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.022 ug N/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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/aerosolparticlenitratemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nitrate mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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  <variable name="v_nitrate_ug_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
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    <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="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
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    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
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    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_blank_correction" value="Blank corrected" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
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    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
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    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitric_acid" />
    <attribute name="ebas_unit" value="ug N/m3" />
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    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
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    <attribute name="ebas_instrument_manufacturer" value="NILU" />
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    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
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    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
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    <attribute name="ebas_inlet_description" value="Downward facing" />
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    <attribute name="ebas_coating_solution" value="KOH" />
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    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_qa1_outcome" value="pass" />
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    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
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    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &quot;" />
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    <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" />
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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 nitrogen" />
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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" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_nitric_acid" shape="qc_nitric_acid_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_potassium_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_potassium meta_potassium" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="potassium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="F-AAS" />
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    <attribute name="ebas_analytical_instrument_manufacturer" value="PerkinElmer" />
    <attribute name="ebas_analytical_instrument_model" value="AAnalyst 800" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_detection_limit" value="0.039 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of ensemble of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
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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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&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/aerosolparticlepotassiummassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle potassium mass concentration" />
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    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
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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_potassium" shape="qc_potassium_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_potassium" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_sodium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sodium_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_sodium meta_sodium" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sodium" />
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    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
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    <attribute name="ebas_medium" value="Teflon" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sodium mass concentration" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
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    <attribute name="ebas_platform_code" value="HU0002S" />
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    <attribute name="ebas_station_land_use" value="Forest" />
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    <attribute name="ebas_component" value="sulphate_corrected" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_instrument_manufacturer" value="NILU" />
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    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
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    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
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  <variable name="meta_sulphate_corrected_ug_S_per_m3" shape="metadata_time" type="String">
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
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    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
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    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
    <attribute name="ebas_analytical_instrument_model" value="ICS-2000" />
    <attribute name="ebas_analytical_instrument_serial_number" value="05101058" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.07 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &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 2.9962. Detection limit converted from '0.022 ug S/m3' to '0.07 ug/m3', conversion factor 2.9962." />
    <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/seaspraysubtracted" />
    <attribute name="actris_constraints_preferred_term" value="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_per_m3" shape="qc_sulphate_corrected_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_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" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3 meta_sulphate_total_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="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
    <attribute name="ebas_analytical_instrument_model" value="ICS-2000" />
    <attribute name="ebas_analytical_instrument_serial_number" value="05101058" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.022 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &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" />
    <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_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="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_total" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
    <attribute name="ebas_analytical_instrument_model" value="ICS-2000" />
    <attribute name="ebas_analytical_instrument_serial_number" value="05101058" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Teflon" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.07 ug/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
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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;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &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 2.9962. Detection limit converted from '0.022 ug S/m3' to '0.07 ug/m3', conversion factor 2.9962." />
    <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" />
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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" />
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  <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" />
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    <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" 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 meta_sulphur_dioxide" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-01-16T10:00:00.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1d" />
    <attribute name="ebas_orig_time_res" value="1d" />
    <attribute name="ebas_station_code" value="HU0002R" />
    <attribute name="ebas_platform_code" value="HU0002S" />
    <attribute name="ebas_station_name" value="K-puszta" />
    <attribute name="ebas_station_wdca_id" value="GAWAHU__KPS" />
    <attribute name="ebas_station_gaw_id" value="KPS" />
    <attribute name="ebas_station_gaw_name" value="K-Puszta" />
    <attribute name="ebas_station_land_use" value="Forest" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_gaw_type" value="R" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="46.965333" />
    <attribute name="ebas_station_longitude" type="double" value="19.544889" />
    <attribute name="ebas_station_altitude" value="125.0 m" />
    <attribute name="ebas_measurement_altitude" value="128.0 m" />
    <attribute name="ebas_measurement_height" value="3.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphur_dioxide" />
    <attribute name="ebas_unit" value="ug S/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="HU01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="3F2" />
    <attribute name="ebas_instrument_manufacturer" value="NILU" />
    <attribute name="ebas_instrument_model" value="Three stage open face" />
    <attribute name="ebas_instrument_serial_number" value="03200107" />
    <attribute name="ebas_analytical_laboratory_code" value="HU01L" />
    <attribute name="ebas_analytical_measurement_technique" value="IC" />
    <attribute name="ebas_analytical_instrument_name" value="OMSZ_ICS" />
    <attribute name="ebas_analytical_instrument_manufacturer" value="Dionex" />
    <attribute name="ebas_analytical_instrument_model" value="ICS-2000" />
    <attribute name="ebas_analytical_instrument_serial_number" value="05101058" />
    <attribute name="ebas_method_ref" value="HU01L_OMSZ_ICS" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v1996" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Downward facing" />
    <attribute name="ebas_medium" value="Cellulose" />
    <attribute name="ebas_coating_solution" value="KOH" />
    <attribute name="ebas_blank_correction" value="Blank corrected" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_detection_limit" value="0.066 ug S/m3" />
    <attribute name="ebas_detection_limit_expl" value="Determined by taking 3 times standard deviation of laboratory blanks" />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative impossible" />
    <attribute name="ebas_zero_negative_values" value="Zero/negative values reported as value below detection limit, flagged with 781" />
    <attribute name="ebas_qa1_outcome" value="pass" />
    <attribute name="ebas_qa1_bias" value="-2.76 %" />
    <attribute name="ebas_qa1_variability" value="1.42 %" />
    <attribute name="ebas_organization" value="HU01L, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary" />
    <attribute name="ebas_framework_acronym" value="EMEP, GAW-WDCRG" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme, World Data Centre for Reactive Gases" />
    <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., The World Data Centre for Reactive Gases is the data repository and archive for reactive gases of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme." />
    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Machon, Attila, machon.a@met.hu, Hungarian Meteorological Service, OMSZ, Unit of Analysis on Ambient Air, P.O.Box 39, , 1675, Budapest, Hungary&quot;" />
    <attribute name="ebas_submitter" value="&quot;Puskas, Monika, puskas.monika@met.hu, Hungarian Meteorological Service, OMSZ, Unit Air Quality Reference Centre, P.O.Box 39, , 1675, Budapest, Hungary&quot;, &quot;Gyarmatine Meszaros, Erzsebet, , , , , , , , , &quot;" />
    <attribute name="ebas_acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the frameworks: EMEP, GAW-WDCRG." />
    <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, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCRG" />
    <attribute name="actris_framework_preferred_term" value="EMEP, GAW-WDCRG" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_sulphur_dioxide" shape="qc_sulphur_dioxide_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" 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>
