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  <attribute name="title" value="Heavy metals at Svanvik" />
  <attribute name="summary" value="Heavy metals at Svanvik. These measurements are gathered as a part of the following projects NILU and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['aluminium in pm10 (mass_concentration_of_aluminium_in_pm10_in_air)', 'arsenic in pm10 (mass_concentration_of_arsenic_in_pm10_in_air)', 'cadmium in pm10 (mass_concentration_of_cadmium_in_pm10_in_air)', 'chromium in pm10 (mass_concentration_of_chromium_in_pm10_in_air)', 'cobalt in pm10 (mass_concentration_of_cobalt_in_pm10_in_air)', 'copper in pm10 (mass_concentration_of_copper_in_pm10_in_air)', 'iron in pm10 (mass_concentration_of_iron_in_pm10_in_air)', 'lead in pm10 (mass_concentration_of_lead_in_pm10_in_air)', 'manganese in pm10 (mass_concentration_of_manganese_in_pm10_in_air)', 'nickel in pm10 (mass_concentration_of_nickel_in_pm10_in_air)', 'titanium in pm10 (mass_concentration_of_titanium_in_pm10_in_air)', 'vanadium in pm10 (mass_concentration_of_vanadium_in_pm10_in_air)', 'zinc in pm10 (mass_concentration_of_zinc_in_pm10_in_air)']" />
  <attribute name="keywords" value="Svanvik NO0047R aluminium arsenic cadmium chromium cobalt copper iron lead manganese nickel titanium vanadium zinc pm10 NILU mass_concentration_of_aluminium_in_pm10_in_air mass_concentration_of_arsenic_in_pm10_in_air mass_concentration_of_cadmium_in_pm10_in_air mass_concentration_of_chromium_in_pm10_in_air mass_concentration_of_cobalt_in_pm10_in_air mass_concentration_of_copper_in_pm10_in_air mass_concentration_of_iron_in_pm10_in_air mass_concentration_of_lead_in_pm10_in_air mass_concentration_of_manganese_in_pm10_in_air mass_concentration_of_nickel_in_pm10_in_air mass_concentration_of_titanium_in_pm10_in_air mass_concentration_of_vanadium_in_pm10_in_air mass_concentration_of_zinc_in_pm10_in_air" />
  <attribute name="id" value="P9J2-YT69.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="NILU" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/P9J2-YT69" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Aas, W., NILU, 2026, Heavy metals at Svanvik, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/P9J2-YT69" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="NO01L &quot;Norwegian Institute for Air Research&quot; NILU &quot;Instituttveien 18&quot; 2007 Kjeller Norway" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2026-03-06T08:17:58.169915Z" />
  <attribute name="date_metadata_modified" value="2026-03-06T08:14:53Z" />
  <attribute name="creator_name" value="Wenche Aas" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="waa@nilu.no" />
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  <attribute name="contributor_name" value="Anne Hjellbrekke, Marit Vadset" />
  <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" />
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  <attribute name="geospatial_bounds" value="POINT Z EMPTY" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2020-01-06T07:00:00Z" />
  <attribute name="time_coverage_end" value="2026-01-01T07:00:00Z" />
  <attribute name="time_coverage_duration" value="P0005-11-26T00:00:00" />
  <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" />
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  <attribute name="ebas_citation" value="Aas, W., NILU, 2026, Heavy metals at Svanvik, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/P9J2-YT69" />
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  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="6y" />
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  <attribute name="ebas_platform_code" value="NO0047S" />
  <attribute name="ebas_station_name" value="Svanvik" />
  <attribute name="ebas_station_latitude" type="double" value="69.45" />
  <attribute name="ebas_station_longitude" type="double" value="30.033333" />
  <attribute name="ebas_station_altitude" value="30.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="pm10" />
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  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="NILU_lvs_47" />
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  <attribute name="ebas_standard_method" value="SOP=EMEP_manual_v2014" />
  <attribute name="ebas_flow_rate" value="38.0 l/min" />
  <attribute name="ebas_medium" value="Teflon" />
  <attribute name="ebas_blank_correction" value="Blank corrected" />
  <attribute name="ebas_volume_std_temperature" value="ambient" />
  <attribute name="ebas_volume_std_pressure" value="ambient" />
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  <attribute name="ebas_framework_description" value="Atmospheric measuremnts produced at NILU." />
  <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;Aas, Wenche, waa@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway, ORCID=0000-0002-2908-1970&quot;" />
  <attribute name="ebas_submitter" value="&quot;Hjellbrekke, Anne, agh@nilu.no, Norwegian Institute for Air Research, NILU, Atmosphere and Climate Department, Instituttveien 18, , 2007, Kjeller, Norway&quot;, &quot;Vadset, Marit, , , , , , , , , &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: NILU." />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="257" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="6" />
  <dimension name="qc_aluminium_flags" length="1" />
  <dimension name="qc_arsenic_flags" length="1" />
  <dimension name="qc_cadmium_flags" length="1" />
  <dimension name="qc_chromium_flags" length="2" />
  <dimension name="qc_cobalt_flags" length="1" />
  <dimension name="qc_copper_flags" length="1" />
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  <dimension name="qc_lead_flags" length="1" />
  <dimension name="qc_manganese_flags" length="1" />
  <dimension name="qc_nickel_flags" length="1" />
  <dimension name="qc_titanium_flags" length="2" />
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  <dimension name="qc_zinc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2020-01-09T19:00:00Z" />
    <attribute name="time_coverage_end" value="2025-12-30T19:00:00Z" />
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    <attribute name="metadata_creation" value="2026-05-18" />
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    <attribute name="long_name" value="time bounds for measurement" />
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    <attribute name="long_name" value="time bounds for ebas metadata intervals" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2026-03-06T08:14:53.000000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="NO0047R" />
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    <attribute name="ebas_detection_limit" value="1.84 ng/m3" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
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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="_FillValue" type="double" value="NaN" />
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    <attribute name="ancillary_variables" value="v_cadmium_qc v_cadmium_ebasmetadata" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_station_code" value="NO0047R" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="standard_name" value="mass_concentration_of_chromium_in_pm10_in_air" />
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    <attribute name="ancillary_variables" value="v_chromium_qc v_chromium_ebasmetadata" />
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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_vanadium_in_pm10_in_air" />
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    <attribute name="actris_variable_preferred_term" value="aerosol particle vanadium mass concentration" />
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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_zinc_in_pm10_in_air" />
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="units" value="days since 1900-01-01T00:00:00Z" />
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    <attribute name="calendar" value="standard" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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    <attribute name="long_name" value="time of ebas metadata intervals" />
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