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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Inorganics in air and particle phase at Oulanka" />
  <attribute name="keywords" value="Oulanka, magnesium, calcium, chloride, mass_concentration_of_potassium_in_dry_aerosol_particles_in_air, sulphate_corrected, mass_concentration_of_nitrate_in_dry_aerosol_particles_in_air, sulphate_total, FI0022R, sulphur_dioxide, mass_concentration_of_chloride_in_dry_aerosol_particles_in_air, nitric_acid, EMEP, sum_ammonia_and_ammonium, mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air, mass_concentration_of_sulphate_corrected_for_seaspray_expressed_as_sulphur_in_dry_aerosol_particles_in_air, ammonia, sodium, mass_concentration_of_sodium_in_dry_aerosol_particles_in_air, aerosol, air, mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air, mass_concentration_of_nitrate_expressed_as_nitrogen_in_dry_aerosol_particles_in_air, mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol, mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air, mass_concentration_of_sulphate_corrected_for_seaspray_in_dry_aerosol_particles_in_air, air+aerosol, nitrate, mass_concentration_of_ammonia_expressed_as_nitrogen_in_air, mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air, sum_nitric_acid_and_nitrate, ammonium, potassium, mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_aerosol, mass_concentration_of_magnesium_in_dry_aerosol_particles_in_air, mass_concentration_of_nitric_acid_expressed_as_nitrogen_in_air, mass_concentration_of_calcium_in_dry_aerosol_particles_in_air" />
  <attribute name="id" value="QGF9-YAB6.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="EMEP" />
  <attribute name="acknowledgement" value="Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP." />
  <attribute name="doi" value="https://doi.org/10.48597/QGF9-YAB6" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Makkonen, U., EMEP, 2025, Inorganics in air and particle phase at Oulanka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-YAB6" />
  <attribute name="summary" value="Inorganics in air and particle phase at Oulanka. 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 (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), chloride in aerosol (mass_concentration_of_chloride_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_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphate_total in aerosol (mass_concentration_of_total_sulphateexpressed_as_sulphur_in_dry_aerosol_particles_in_air), sulphur_dioxide in air (mass_concentration_of_sulphur_dioxide_expressed_as_sulphur_in_air), sum_ammonia_and_ammonium in air+aerosol (mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol), sum_nitric_acid_and_nitrate in air+aerosol (mass_concentration_of_sum_nitric_acid_and_nitrate_expressed_as_nitrogen_in_aerosol)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, FI-00560, Helsinki, Finland" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2025-06-16T12:51:07 UTC" />
  <attribute name="date_metadata_modified" value="2025-06-16T12:51:07 UTC" />
  <attribute name="creator_name" value="Ulla Makkonen" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="ulla.makkonen@fmi.fi" />
  <attribute name="creator_institution" value="&quot;Finnish Meteorological Institute, Atmospheric Composion Unit, FMI&quot;" />
  <attribute name="contributor_name" value="Mika Vestenius, Kaisa Korpi" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (66.320278 29.401667 310.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="geospatial_lat_min" type="double" value="66.320278" />
  <attribute name="geospatial_lat_max" type="double" value="66.320278" />
  <attribute name="geospatial_lon_min" type="double" value="29.401667" />
  <attribute name="geospatial_lon_max" type="double" value="29.401667" />
  <attribute name="geospatial_vertical_min" type="double" value="310.0" />
  <attribute name="geospatial_vertical_max" type="double" value="310.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2012-12-31T07:25:28 UTC" />
  <attribute name="time_coverage_end" value="2023-01-02T06:38:00 UTC" />
  <attribute name="time_coverage_duration" value="P0010-00-01T23:12:31.200000" />
  <attribute name="time_coverage_resolution" value="P0000-00-07T00:00:00" />
  <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="Makkonen, U., EMEP, 2025, Inorganics in air and particle phase at Oulanka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-YAB6" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="QGF9-YAB6.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/QGF9-YAB6" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/QGF9-YAB6" />
  <attribute name="ebas_file_creation" value="2025-06-16T13:10:14.988935 UTC" />
  <attribute name="ebas_export_state" value="2025-06-16T12:51:30.744702 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20121231072528" />
  <attribute name="ebas_revision_date" value="20250616125107" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="10y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_station_code" value="FI0022R" />
  <attribute name="ebas_platform_code" value="FI0022S" />
  <attribute name="ebas_station_name" value="Oulanka" />
  <attribute name="ebas_station_latitude" value="66.320278" />
  <attribute name="ebas_station_longitude" value="29.401667" />
  <attribute name="ebas_station_altitude" value="310.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FI01L" />
  <attribute name="ebas_instrument_type" value="filter_3pack" />
  <attribute name="ebas_instrument_name" value="fp3s22" />
  <attribute name="ebas_method_ref" value="FI01L_IC_c" />
  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
  <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
  <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
  <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
  <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="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.10.8" />
  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="comment" value="{&#xA;    &quot;Data definition&quot;: &quot;EBAS_1.1&quot;,&#xA;    &quot;Data license&quot;: &quot;https://creativecommons.org/licenses/by/4.0/&quot;,&#xA;    &quot;Citation&quot;: &quot;Makkonen, U., EMEP, 2025, Inorganics in air and particle phase at Oulanka, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/QGF9-YAB6&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;QGF9-YAB6.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/QGF9-YAB6&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/QGF9-YAB6&quot;,&#xA;    &quot;File creation&quot;: &quot;2025-06-16T13:10:14.988935 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2025-06-16T12:51:30.744702 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20121231072528&quot;,&#xA;    &quot;Revision date&quot;: &quot;20250616125107&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;10y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Station code&quot;: &quot;FI0022R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FI0022S&quot;,&#xA;    &quot;Station name&quot;: &quot;Oulanka&quot;,&#xA;    &quot;Station latitude&quot;: &quot;66.320278&quot;,&#xA;    &quot;Station longitude&quot;: &quot;29.401667&quot;,&#xA;    &quot;Station altitude&quot;: &quot;310.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FI01L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;filter_3pack&quot;,&#xA;    &quot;Instrument name&quot;: &quot;fp3s22&quot;,&#xA;    &quot;Method ref&quot;: &quot;FI01L_IC_c&quot;,&#xA;    &quot;Standard method&quot;: &quot;SOP=EMEP_manual_v2014&quot;,&#xA;    &quot;Organization&quot;: &quot;FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Framework acronym&quot;: &quot;EMEP&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Monitoring and Evaluation Programme&quot;,&#xA;    &quot;Framework description&quot;: &quot;The European Monitoring and Evaluation Programme (EMEP) is a scientifically based and policy driven programme under the Convention on Long-range Transboundary Air Pollution (CLRTAP) for int'l co-operation to solve transboundary air pollution problems.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Kjetil Tørseth&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;kt@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland&quot;,&#xA;    &quot;Submitter&quot;: &quot;Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;Data used in this &lt;study/report/figure/etc.&gt; were accessed from EBAS (https://ebas.nilu.no) hosted by NILU. Specifically, the use included data affiliated with the framework: EMEP.&quot;&#xA;}" />
  <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="518" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="9" />
  <dimension name="ammonia_qc_flags" length="1" />
  <dimension name="ammonium_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="ammonium_ug_per_m3_qc_flags" length="1" />
  <dimension name="calcium_qc_flags" length="1" />
  <dimension name="chloride_qc_flags" length="1" />
  <dimension name="magnesium_qc_flags" length="1" />
  <dimension name="nitrate_ug_N_per_m3_qc_flags" length="1" />
  <dimension name="nitrate_ug_per_m3_qc_flags" length="1" />
  <dimension name="nitric_acid_qc_flags" length="1" />
  <dimension name="potassium_qc_flags" length="1" />
  <dimension name="sodium_qc_flags" length="1" />
  <dimension name="sulphate_corrected_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_corrected_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_S_per_m3_qc_flags" length="1" />
  <dimension name="sulphate_total_ug_per_m3_qc_flags" length="1" />
  <dimension name="sulphur_dioxide_qc_flags" length="1" />
  <dimension name="sum_ammonia_and_ammonium_qc_flags" length="1" />
  <dimension name="sum_nitric_acid_and_nitrate_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2013-01-03T19:07:28Z" />
    <attribute name="time_coverage_end" value="2022-12-30T07:44:29Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="609567.0" />
    <attribute name="time_coverage_duration" value="P0Y0M3647DT12H37M1.199S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-05" />
    <attribute name="nciso_version" value="2.4.7" />
  </group>
  <variable name="time_bnds" shape="time tbnds" type="double">
    <attribute name="long_name" value="time bounds for measurement" />
  </variable>
  <variable name="metadata_time_bnds" shape="metadata_time tbnds" type="double">
    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
  <variable name="ammonia" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonia_expressed_as_nitrogen_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonia_qc ammonia_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20250616125107" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="fp3s22" />
    <attribute name="ebas_method_ref" value="FI01L_IC_c" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
  <variable name="ammonia_qc" shape="ammonia_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="ammonia_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="ammonium_ug_N_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_ammonium_expressed_as_nitrogen_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="ammonium_ug N_per_m3_qc ammonium_ug N_per_m3_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20250616125100" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="fp3s22" />
    <attribute name="ebas_method_ref" value="FI01L_IC_c" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
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    <attribute name="standard_name" value="mass_concentration_of_ammonium_in_dry_aerosol_particles_in_air" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
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    <attribute name="ebas_station_altitude" value="310.0 m" />
    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_station_code" value="FI0022R" />
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    <attribute name="ebas_station_altitude" value="310.0 m" />
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    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_component" value="nitric_acid" />
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    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <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="potassium_qc potassium_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20250616125100" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 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="FI01L" />
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    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sodium" />
    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
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  </variable>
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  <variable name="sodium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sulphate_corrected_ug S_per_m3_qc sulphate_corrected_ug S_per_m3_ebasmetadata" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sulphate_corrected" />
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    <attribute name="ebas_laboratory_code" value="FI01L" />
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    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <attribute name="ebas_framework_acronym" value="EMEP" />
    <attribute name="ebas_framework_name" value="European Monitoring and Evaluation Programme" />
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    <attribute name="ebas_framework_contact_name" value="Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="kt@nilu.no" />
    <attribute name="ebas_originator" value="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
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  </variable>
  <variable name="sulphate_corrected_ug_S_per_m3_qc" shape="sulphate_corrected_ug_S_per_m3_qc_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="sulphate_corrected_ug_per_m3" shape="time" type="double">
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    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9962." />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="fp3s22" />
    <attribute name="ebas_method_ref" value="FI01L_IC_c" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
  <variable name="sulphur_dioxide_qc" shape="sulphur_dioxide_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sulphur_dioxide_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="sum_ammonia_and_ammonium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_sum_ammonia_and_ammonium_in_aerosol" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug N/m3" />
    <attribute name="ancillary_variables" value="sum_ammonia_and_ammonium_qc sum_ammonia_and_ammonium_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20250616125100" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="sum_ammonia_and_ammonium" />
    <attribute name="ebas_unit" value="ug N/m3" />
    <attribute name="ebas_matrix" value="air+aerosol" />
    <attribute name="ebas_laboratory_code" value="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="fp3s22" />
    <attribute name="ebas_method_ref" value="FI01L_IC_c" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
  <variable name="sum_ammonia_and_ammonium_qc" shape="sum_ammonia_and_ammonium_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sum_ammonia_and_ammonium_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="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_aerosol" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="sum_nitric_acid_and_nitrate_qc sum_nitric_acid_and_nitrate_ebasmetadata" />
    <attribute name="cell_methods" value="time: mean" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="20250616125100" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="FI0022R" />
    <attribute name="ebas_platform_code" value="FI0022S" />
    <attribute name="ebas_station_name" value="Oulanka" />
    <attribute name="ebas_station_latitude" value="66.320278" />
    <attribute name="ebas_station_longitude" value="29.401667" />
    <attribute name="ebas_station_altitude" value="310.0 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="FI01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="fp3s22" />
    <attribute name="ebas_method_ref" value="FI01L_IC_c" />
    <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
    <attribute name="ebas_organization" value="FI01L, Finnish Meteorological Institute, FMI/IKO, Atmospheric Composition Unit (IKO), Erik Palménin aukio, , FI-00560, Helsinki, Finland" />
    <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="Makkonen, Ulla, ulla.makkonen@fmi.fi, Finnish Meteorological Institute, FMI, Atmospheric Composion Unit, FMI, Erik Palménin aukio, FI-00560, Helsinki, Finland" />
    <attribute name="ebas_submitter" value="Korpi, Kaisa, kaisa.korpi@fmi.fi, , , , , , , , " />
    <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." />
  </variable>
  <variable name="sum_nitric_acid_and_nitrate_qc" shape="sum_nitric_acid_and_nitrate_qc_flags time" type="int">
    <attribute name="_FillValue" type="int" value="0" />
    <attribute name="standard_name" value="status_flag" />
    <attribute name="missing_value" type="int" value="0" />
    <attribute name="units" value="1" />
  </variable>
  <variable name="sum_nitric_acid_and_nitrate_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <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 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
