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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Cyclopenta_cd_pyrene at Harwell" />
  <attribute name="summary" value="Cyclopenta_cd_pyrene at Harwell. These measurements are gathered as a part of the following projects CAMP, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['cyclopenta_cd_pyrene in air+aerosol (mass_concentration_of_cyclopenta_cd_pyrene_in_aerosol)']" />
  <attribute name="keywords" value="Harwell GB0036R cyclopenta_cd_pyrene air+aerosol CAMP EMEP mass_concentration_of_cyclopenta_cd_pyrene_in_aerosol" />
  <attribute name="id" value="YQRT-4N52.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="CAMP, EMEP" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/YQRT-4N52" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Conolly, C., CAMP, EMEP, 2014, Cyclopenta_cd_pyrene at Harwell, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YQRT-4N52" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="GB02L &quot;AEA Technology, National Environmental Techn. Centre&quot; &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;" />
  <attribute name="date_created" value="2014-12-05T08:25:08.523000Z" />
  <attribute name="date_metadata_modified" value="2014-12-05T08:25:08Z" />
  <attribute name="creator_name" value="Christopher Conolly" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="" />
  <attribute name="creator_institution" value="" />
  <attribute name="contributor_name" value="Vincent Keith" />
  <attribute name="contributor_role" value="data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_institution" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
  <attribute name="publisher_email" value="ebas@nilu.no" />
  <attribute name="publisher_url" value="https://www.nilu.no/" />
  <attribute name="geospatial_bounds" value="POINT Z (-1.316667 51.573056 137)" />
  <attribute name="geospatial_lat_min" type="double" value="51.573056" />
  <attribute name="geospatial_lat_max" type="double" value="51.573056" />
  <attribute name="geospatial_lon_min" type="double" value="-1.316667" />
  <attribute name="geospatial_lon_max" type="double" value="-1.316667" />
  <attribute name="geospatial_vertical_min" type="double" value="137.0" />
  <attribute name="geospatial_vertical_max" type="double" value="137.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2013-01-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2014-01-01T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-01-00T00:00:00" />
  <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="Conolly, C., CAMP, EMEP, 2014, Cyclopenta_cd_pyrene at Harwell, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/YQRT-4N52" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="YQRT-4N52.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/YQRT-4N52" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/YQRT-4N52" />
  <attribute name="ebas_file_creation" value="2026-05-18T09:55:15.816009Z" />
  <attribute name="ebas_export_state" value="2014-12-05T08:25:08.523000Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2013-01-01T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2014-12-05T08:25:08.523000Z" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1mo" />
  <attribute name="ebas_station_code" value="GB0036R" />
  <attribute name="ebas_platform_code" value="GB0036S" />
  <attribute name="ebas_station_name" value="Harwell" />
  <attribute name="ebas_station_latitude" type="double" value="51.573056" />
  <attribute name="ebas_station_longitude" type="double" value="-1.316667" />
  <attribute name="ebas_station_altitude" value="137.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="cyclopenta_cd_pyrene" />
  <attribute name="ebas_unit" value="ng/m3" />
  <attribute name="ebas_matrix" value="air+aerosol" />
  <attribute name="ebas_laboratory_code" value="GB02L" />
  <attribute name="ebas_instrument_type" value="high_vol_sampler" />
  <attribute name="ebas_instrument_name" value="PAHHV02" />
  <attribute name="ebas_method_ref" value="GB02L_PAHHV_1" />
  <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
  <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
  <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." />
  <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
  <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
  <attribute name="ebas_originator" value="&quot;Conolly, Christopher, , , , , , , , , &quot;" />
  <attribute name="ebas_submitter" value="&quot;Keith, Vincent, , , , , , , , , &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." />
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  <attribute name="Metadata_Conventions" value="Unidata Dataset Discovery v1.0" />
  <attribute name="geospatial_lat_units" value="degrees_north" />
  <attribute name="geospatial_lon_units" value="degrees_east" />
  <attribute name="standard_name_vocabulary" value="CF-1.7, ACDD-1.3" />
  <attribute name="history" value="None" />
  <attribute name="creator_url" value="ebas.nilu.no" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="12" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_cyclopenta_cd_pyrene_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2013-01-16T12:00:00Z" />
    <attribute name="time_coverage_end" value="2013-12-16T12:00:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="2623418.0" />
    <attribute name="time_coverage_duration" value="P0Y0M334DT0H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-05-18" />
    <attribute name="nciso_version" value="2.4.8" />
  </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="v_cyclopenta_cd_pyrene" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mass_concentration_of_cyclopenta_cd_pyrene_in_aerosol" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="qc_cyclopenta_cd_pyrene meta_cyclopenta_cd_pyrene" />
    <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="2014-12-05T08:25:08.523000Z" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_station_code" value="GB0036R" />
    <attribute name="ebas_platform_code" value="GB0036S" />
    <attribute name="ebas_station_name" value="Harwell" />
    <attribute name="ebas_station_latitude" type="double" value="51.573056" />
    <attribute name="ebas_station_longitude" type="double" value="-1.316667" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="cyclopenta_cd_pyrene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air+aerosol" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="high_vol_sampler" />
    <attribute name="ebas_instrument_name" value="PAHHV02" />
    <attribute name="ebas_method_ref" value="GB02L_PAHHV_1" />
    <attribute name="ebas_organization" value="GB02L, &quot;AEA Technology, National Environmental Techn. Centre&quot;, , , &quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="CAMP, EMEP" />
    <attribute name="ebas_framework_name" value="OSPARCOM - Comprehensive Atmospheric Monitoring Programme, European Monitoring and Evaluation Programme" />
    <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." />
    <attribute name="ebas_framework_contact_name" value="Wenche Aas, Kjetil Tørseth" />
    <attribute name="ebas_framework_contact_email" value="waa@nilu.no, kt@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Conolly, Christopher, , , , , , , , , &quot;" />
    <attribute name="ebas_submitter" value="&quot;Keith, Vincent, , , , , , , , , &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." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlecyclopenta-cdpyrenemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="gas and particle cyclopenta(cd)pyrene mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/gasandparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="gas and particle phase" />
    <attribute name="actris_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/highvolumefiltersampler" />
    <attribute name="actris_instrument_type_preferred_term" value="high 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" />
    <attribute name="actris_framework_preferred_term" value="CAMP, EMEP" />
    <attribute name="actris_temporal_resolution" value="P1M" />
    <attribute name="actris_access_restriction" type="long" value="0" />
  </variable>
  <variable name="qc_cyclopenta_cd_pyrene" shape="qc_cyclopenta_cd_pyrene_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_cyclopenta_cd_pyrene" 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" />
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