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  <attribute name="title" value="Heavy metals at Keldsnor" />
  <attribute name="summary" value="Heavy metals at Keldsnor. These measurements are gathered as a part of the following projects CAMP, EMEP, HELCOM and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['arsenic in aerosol (mass_concentration_of_arsenic_in_dry_aerosol_particles_in_air)', 'chromium in aerosol (mass_concentration_of_chromium_in_dry_aerosol_particles_in_air)', 'lead in aerosol (mass_concentration_of_lead_in_dry_aerosol_particles_in_air)', 'manganese in aerosol (mass_concentration_of_manganese_in_dry_aerosol_particles_in_air)', 'nickel in aerosol (mass_concentration_of_nickel_in_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="Keldsnor DK0005R arsenic chromium lead manganese nickel aerosol CAMP EMEP HELCOM mass_concentration_of_arsenic_in_dry_aerosol_particles_in_air mass_concentration_of_chromium_in_dry_aerosol_particles_in_air mass_concentration_of_lead_in_dry_aerosol_particles_in_air mass_concentration_of_manganese_in_dry_aerosol_particles_in_air mass_concentration_of_nickel_in_dry_aerosol_particles_in_air" />
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  <attribute name="doi" value="https://doi.org/10.48597/W4RN-QUTH" />
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  <attribute name="citation" value="Kemp, K., CAMP, EMEP, HELCOM, 2003, Heavy metals at Keldsnor, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/W4RN-QUTH" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="DK01L &quot;National Environmental Research Institute&quot; NERI &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;" />
  <attribute name="date_created" value="2014-05-01T00:00:00.000000Z" />
  <attribute name="date_metadata_modified" value="2003-10-01T00:00:00Z" />
  <attribute name="creator_name" value="Kaare Kemp" />
  <attribute name="creator_type" value="person" />
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  <attribute name="contributor_name" value="Kaare Kemp" />
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  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="geospatial_bounds" value="POINT Z (10.73616 54.746495 10)" />
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  <attribute name="timezone" value="UTC" />
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  <attribute name="ebas_station_name" value="Keldsnor" />
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  <attribute name="ebas_station_altitude" value="10.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="DK01L" />
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  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Baltic Marine Environment Protection Commission - Helsinki Commission" />
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  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Kemp, Kaare, , , , , , , , , &quot;" />
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  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
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  <attribute name="history" value="None" />
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  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="730" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="2" />
  <dimension name="qc_arsenic_flags" length="1" />
  <dimension name="qc_chromium_flags" length="1" />
  <dimension name="qc_lead_flags" length="1" />
  <dimension name="qc_manganese_flags" length="1" />
  <dimension name="qc_nickel_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2001-01-01T19:00:00Z" />
    <attribute name="time_coverage_end" value="2002-12-31T19:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="86400.0" />
    <attribute name="time_coverage_duration" value="P0Y0M729DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
  </variable>
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    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_arsenic meta_arsenic" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle arsenic mass concentration" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="ancillary_variables" value="qc_chromium meta_chromium" />
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    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_lead" shape="qc_lead_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_lead" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_manganese" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_manganese_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_manganese meta_manganese" />
    <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="2003-10-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="DK0005R" />
    <attribute name="ebas_platform_code" value="DK0005S" />
    <attribute name="ebas_station_name" value="Keldsnor" />
    <attribute name="ebas_station_latitude" type="double" value="54.746495" />
    <attribute name="ebas_station_longitude" type="double" value="10.73616" />
    <attribute name="ebas_station_altitude" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="manganese" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="FP4N" />
    <attribute name="ebas_method_ref" value="DK01L_PIXE" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Baltic Marine Environment Protection Commission - Helsinki Commission" />
    <attribute name="ebas_framework_description" value="The OSPARCOM Comprehensive Atmospheric Monitoring Programme goal is the assessment of the atmospheric input of selected contaminants to the OSPAR maritime area and regions., 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., Atmospheric monitoring data for the assessment of the atmospheric input of selected contaminants to the Baltic sea area." />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Kemp, Kaare, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Kemp, Kaare, , , , , , , , , &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: CAMP, EMEP, HELCOM." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlemanganesemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle manganese mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol particle phase" />
    <attribute name="actris_timeliness_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/scheduled" />
    <attribute name="actris_timeliness_preferred_term" value="scheduled" />
    <attribute name="actris_instrument_type_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/lowvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="low volume filter sampler" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/CAMP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/HELCOM" />
    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP, HELCOM" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_manganese" shape="qc_manganese_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_manganese" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_nickel" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_nickel_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_nickel meta_nickel" />
    <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="2003-10-01T00:00:00.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="DK0005R" />
    <attribute name="ebas_platform_code" value="DK0005S" />
    <attribute name="ebas_station_name" value="Keldsnor" />
    <attribute name="ebas_station_latitude" type="double" value="54.746495" />
    <attribute name="ebas_station_longitude" type="double" value="10.73616" />
    <attribute name="ebas_station_altitude" value="10.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nickel" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="DK01L" />
    <attribute name="ebas_instrument_type" value="filter_3pack" />
    <attribute name="ebas_instrument_name" value="FP4N" />
    <attribute name="ebas_method_ref" value="DK01L_PIXE" />
    <attribute name="ebas_organization" value="DK01L, National Environmental Research Institute, NERI, , &quot;P.O.Box 358, Fredriksborgvei 399, DK-4000 Roskilde, Denmark&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="CAMP, EMEP, HELCOM" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme, Baltic Marine Environment Protection Commission - Helsinki Commission" />
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    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Kemp, Kaare, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Kemp, Kaare, , , , , , , , , &quot;" />
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    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlenickelmassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle nickel 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" />
    <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/CAMP, https://vocabulary.actris.nilu.no/actris_controlled_lists/EMEP, https://vocabulary.actris.nilu.no/actris_controlled_lists/HELCOM" />
    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP, HELCOM" />
    <attribute name="actris_temporal_resolution" value="P1D" />
    <attribute name="actris_access_restriction" type="long" value="0" />
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  <variable name="qc_nickel" shape="qc_nickel_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_nickel" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <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>
