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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Potassium at Pic du Midi" />
  <attribute name="keywords" value="aerosol, FR0019R, Pic du Midi, mass_concentration_of_potassium_in_dry_aerosol_particles_in _air, potassium, ACTRIS" />
  <attribute name="id" value="4N69-U7EE.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS" />
  <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: ACTRIS. Request acknowledgement details from data originator" />
  <attribute name="doi" value="https://doi.org/10.48597/4N69-U7EE" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Pont, V., Pont, V., Pont, V., Pont, V., 2017, Potassium at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4N69-U7EE" />
  <attribute name="summary" value="Potassium at Pic du Midi. These measurements are gathered as a part of the following projects ACTRIS and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: potassium in aerosol (mass_concentration_of_potassium_in_dry_aerosol_particles_in _air)" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR05L, Aerology Laboratory, PO Box 31400, Toulouse" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2017-09-19T10:40:22 UTC" />
  <attribute name="date_metadata_modified" value="2017-09-19T10:40:22 UTC" />
  <attribute name="creator_name" value="Veronique Pont, Veronique Pont, Veronique Pont, Veronique Pont" />
  <attribute name="creator_type" value="person" />
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  <attribute name="creator_institution" value=", , , " />
  <attribute name="contributor_name" value="Nicolas Pascal, Nicolas Pascal, Nicolas Pascal, Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter, 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 (42.9372 0.1411 2877.0)" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
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  <attribute name="geospatial_lat_max" type="double" value="42.9372" />
  <attribute name="geospatial_lon_min" type="double" value="0.1411" />
  <attribute name="geospatial_lon_max" type="double" value="0.1411" />
  <attribute name="geospatial_vertical_min" type="double" value="2877.0" />
  <attribute name="geospatial_vertical_max" type="double" value="2877.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="time_coverage_start" value="2002-03-11T11:00:00 UTC" />
  <attribute name="time_coverage_end" value="2006-01-03T11:30:00 UTC" />
  <attribute name="time_coverage_duration" value="P0003-09-23T00:30:00" />
  <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" />
  <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="ebas_citation" value="Pont, V., Pont, V., Pont, V., Pont, V., 2017, Potassium at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4N69-U7EE" />
  <attribute name="ebas_set_type_code" value="TI" />
  <attribute name="ebas_timezone" value="UTC" />
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  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/4N69-U7EE" />
  <attribute name="ebas_file_creation" value="2024-02-21T19:30:07.675491 UTC" />
  <attribute name="ebas_export_state" value="2017-09-19T10:40:22.723000 UTC" />
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  <attribute name="ebas_startdate" value="20020311110000" />
  <attribute name="ebas_revision_date" value="20170919104022" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_statistics" value="arithmetic mean" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="1w" />
  <attribute name="ebas_sample_duration" value="1w" />
  <attribute name="ebas_station_code" value="FR0019R" />
  <attribute name="ebas_platform_code" value="FR0019S" />
  <attribute name="ebas_station_name" value="Pic du Midi" />
  <attribute name="ebas_station_latitude" value="42.936667" />
  <attribute name="ebas_station_longitude" value="0.141944" />
  <attribute name="ebas_station_altitude" value="2877.0 m" />
  <attribute name="ebas_measuremenet_latitude" value="42.9372" />
  <attribute name="ebas_measurement_longitude" value="0.1411" />
  <attribute name="ebas_measurement_altitude" value="2877.0 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="FR05L" />
  <attribute name="ebas_instrument_type" value="low_vol_sampler" />
  <attribute name="ebas_instrument_name" value="KNF_IP20-T_PDM_aerosol" />
  <attribute name="ebas_instrument_manufacturer" value="KNF" />
  <attribute name="ebas_instrument_model" value="IP20-T" />
  <attribute name="ebas_instrument_serial_number" value="NA" />
  <attribute name="ebas_method_ref" value="FR05L_aerosol_lvs" />
  <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases" />
  <attribute name="ebas_framework_description" value="ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no" />
  <attribute name="ebas_originator" value="Pont, Veronique, , , , , , , , , " />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <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: ACTRIS. Request acknowledgement details from data originator" />
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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="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;Pont, V., Pont, V., Pont, V., Pont, V., 2017, Potassium at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/4N69-U7EE&quot;,&#xA;    &quot;Set type code&quot;: &quot;TI&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;4N69-U7EE.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/4N69-U7EE&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/4N69-U7EE&quot;,&#xA;    &quot;File creation&quot;: &quot;2024-02-21T19:30:07.675491 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2017-09-19T10:40:22.723000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20020311110000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20170919104022&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Statistics&quot;: &quot;arithmetic mean&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1w&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1w&quot;,&#xA;    &quot;Station code&quot;: &quot;FR0019R&quot;,&#xA;    &quot;Platform code&quot;: &quot;FR0019S&quot;,&#xA;    &quot;Station name&quot;: &quot;Pic du Midi&quot;,&#xA;    &quot;Station latitude&quot;: &quot;42.936667&quot;,&#xA;    &quot;Station longitude&quot;: &quot;0.141944&quot;,&#xA;    &quot;Station altitude&quot;: &quot;2877.0 m&quot;,&#xA;    &quot;Measurement latitude&quot;: &quot;42.9372&quot;,&#xA;    &quot;Measurement longitude&quot;: &quot;0.1411&quot;,&#xA;    &quot;Measurement altitude&quot;: &quot;2877.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Component&quot;: &quot;potassium&quot;,&#xA;    &quot;Unit&quot;: &quot;ug/m3&quot;,&#xA;    &quot;Matrix&quot;: &quot;aerosol&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;low_vol_sampler&quot;,&#xA;    &quot;Instrument name&quot;: &quot;KNF_IP20-T_PDM_aerosol&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;KNF&quot;,&#xA;    &quot;Instrument model&quot;: &quot;IP20-T&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;NA&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR05L_aerosol_lvs&quot;,&#xA;    &quot;Organization&quot;: &quot;FR05L, Aerology Laboratory, , , \&quot;PO Box 31400, Toulouse\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;,&#xA;    &quot;Framework description&quot;: &quot;ACTRIS is the European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases. ACTRIS is composed of observing stations, exploratory platforms, instruments calibration centres, and a data centre.&quot;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Pont, Veronique, , , , , , , , , &quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &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: ACTRIS. Request acknowledgement details from data originator&quot;&#xA;}" />
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  <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="162" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="4" />
  <dimension name="potassium_qc_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2002-03-14T22:45:00Z" />
    <attribute name="time_coverage_end" value="2005-12-30T22:50:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="744329.0" />
    <attribute name="time_coverage_duration" value="P0Y0M1387DT0H5M0.000S" />
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  <group name="NCISOMetadata">
    <attribute name="metadata_creation" value="2026-04-07" />
    <attribute name="nciso_version" value="2.4.7" />
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    <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="potassium" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <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" />
    <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="20170919104022" />
    <attribute name="ebas_version" value="1" />
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    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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    <attribute name="ebas_instrument_serial_number" value="NA" />
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    <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: ACTRIS. Request acknowledgement details from data originator" />
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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="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
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    <attribute name="_CoordinateAxisType" value="Time" />
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