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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Toluene at Harwell" />
  <attribute name="keywords" value="toluene, GB0036R, Harwell, air, ACTRIS, EMEP" />
  <attribute name="id" value="6NSX-Y5D2.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, 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.|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: ACTRIS, EMEP.|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." separator="|" />
  <attribute name="doi" value="https://doi.org/10.48597/6NSX-Y5D2" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Cape, J., Telling, S., Telling, S., Christopher, C., 2017, Toluene at Harwell, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6NSX-Y5D2" />
  <attribute name="summary" value="Toluene at Harwell. These measurements are gathered as a part of the following projects ACTRIS, EMEP and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: toluene in air, toluene in air" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="GB02L, AEA Technology, National Environmental Techn. Centre, Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom" />
  <attribute name="date_created" value="2017-02-01T08:54:30 UTC" />
  <attribute name="date_metadata_modified" value="2017-02-01T08:54:30 UTC" />
  <attribute name="creator_name" value="J Neil Cape, Steve Telling, Steve Telling, Conolly Christopher" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", , , " />
  <attribute name="creator_institution" value=", , , " />
  <attribute name="contributor_name" value="J Neil Cape, Keith Vincent, Keith Vincent" />
  <attribute name="contributor_role" value="data submitter, 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 (51.573056 -1.316667 137.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <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="time_coverage_start" value="2011-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0005-00-00T00:00:00" />
  <attribute name="time_coverage_resolution" value="P0000-00-00T01:00:00" />
  <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="Cape, J., Telling, S., Telling, S., Christopher, C., 2017, Toluene at Harwell, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6NSX-Y5D2" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="6NSX-Y5D2.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/6NSX-Y5D2" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/6NSX-Y5D2" />
  <attribute name="ebas_file_creation" value="2024-02-15T22:56:59.534143 UTC" />
  <attribute name="ebas_export_state" value="2017-02-01T08:42:29.027000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20110101000000" />
  <attribute name="ebas_revision_date" value="20170201085430" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_period_code" value="5y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <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" value="51.573056" />
  <attribute name="ebas_station_longitude" value="-1.316667" />
  <attribute name="ebas_station_altitude" value="137.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_component" value="toluene" />
  <attribute name="ebas_matrix" value="air" />
  <attribute name="ebas_laboratory_code" value="GB02L" />
  <attribute name="ebas_instrument_type" value="online_gc" />
  <attribute name="ebas_instrument_name" value="VOC02" />
  <attribute name="ebas_method_ref" value="GB02L_voc_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_originator" value="Christopher, Conolly, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Vincent, Keith, , , , , , , , , " />
  <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." />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.0,hdf5=1.12.2" />
  <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;Cape, J., Telling, S., Telling, S., Christopher, C., 2017, Toluene at Harwell, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6NSX-Y5D2&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;6NSX-Y5D2.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/6NSX-Y5D2&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/6NSX-Y5D2&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-15T22:56:59.534143 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-02-01T08:42:29.027000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20110101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170201085430&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Period code&quot;: &quot;5y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Station code&quot;: &quot;GB0036R&quot;,&#xA;    &quot;Platform code&quot;: &quot;GB0036S&quot;,&#xA;    &quot;Station name&quot;: &quot;Harwell&quot;,&#xA;    &quot;Station latitude&quot;: &quot;51.573056&quot;,&#xA;    &quot;Station longitude&quot;: &quot;-1.316667&quot;,&#xA;    &quot;Station altitude&quot;: &quot;137.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;toluene&quot;,&#xA;    &quot;Matrix&quot;: &quot;air&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;GB02L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;online_gc&quot;,&#xA;    &quot;Instrument name&quot;: &quot;VOC02&quot;,&#xA;    &quot;Method ref&quot;: &quot;GB02L_voc_1&quot;,&#xA;    &quot;Organization&quot;: &quot;GB02L, \&quot;AEA Technology, National Environmental Techn. Centre\&quot;, , , \&quot;Culham Abington, OXFORDSHIRE OX14 3DB, United Kingdom\&quot;, , , , &quot;,&#xA;    &quot;Originator&quot;: &quot;Christopher, Conolly, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Vincent, Keith, , , , , , , , , &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.&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="processing_level" value="processing_level_test" />
  <attribute name="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="26304" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="3" />
  <dimension name="toluene_ng_per_m3_qc_flags" length="1" />
  <dimension name="toluene_pmol_per_mol_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2011-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2015-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="5997.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1825DT23H0M0.000S" />
  </group>
  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-12" />
    <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="toluene_ng_per_m3" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ng/m3" />
    <attribute name="ancillary_variables" value="toluene_ng_per_m3_qc toluene_ng_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="20170201085430" />
    <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" value="51.573056" />
    <attribute name="ebas_station_longitude" value="-1.316667" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="ng/m3" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="VOC02" />
    <attribute name="ebas_method_ref" value="GB02L_voc_1" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <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_originator" value="Christopher, Conolly, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Cape, J Neil, , , , , , , , , " />
    <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." />
    <attribute name="ebas_comment" value="Data converted on export from EBAS from 'pmol/mol' to 'ng/m3' at 273.15 K, 1013.25 hPa, conversion factor 4.11." />
  </variable>
  <variable name="toluene_ng_per_m3_qc" shape="toluene_ng_per_m3_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="toluene_ng_per_m3_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="toluene_pmol_per_mol" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="mole_fraction_of_toluene_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="pmol/mol" />
    <attribute name="ancillary_variables" value="toluene_pmol_per_mol_qc toluene_pmol_per_mol_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="20170201085430" />
    <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" value="51.573056" />
    <attribute name="ebas_station_longitude" value="-1.316667" />
    <attribute name="ebas_station_altitude" value="137.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="toluene" />
    <attribute name="ebas_unit" value="pmol/mol" />
    <attribute name="ebas_matrix" value="air" />
    <attribute name="ebas_laboratory_code" value="GB02L" />
    <attribute name="ebas_instrument_type" value="online_gc" />
    <attribute name="ebas_instrument_name" value="VOC02" />
    <attribute name="ebas_method_ref" value="GB02L_voc_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_originator" value="Christopher, Conolly, , , , , , , , , " />
    <attribute name="ebas_submitter" value="Cape, J Neil, , , , , , , , , " />
    <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." />
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  <variable name="toluene_pmol_per_mol_qc" shape="toluene_pmol_per_mol_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="toluene_pmol_per_mol_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" />
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