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  <attribute name="title" value="Inorganics in air and particle phase at Puy de Dôme" />
  <attribute name="summary" value="Inorganics in air and particle phase at Puy de Dôme. These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA, UnderRevision and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: ['ammonium in pm1_non_refractory (mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'ammonium in pm1_non_refractory (mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'chloride in pm1_non_refractory (mass_concentration_of_chloride_in_non_refractory_pm1_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'nitrate in pm1_non_refractory (mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'organic_mass in pm1_non_refractory (mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air)', 'sulphate_total in pm1_non_refractory (mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air)']" />
  <attribute name="keywords" value="&quot;Puy de Dôme&quot; FR0030R ammonium chloride nitrate organic_mass sulphate_total pm1_non_refractory ACTRIS GAW-WDCA UnderRevision mass_concentration_of_ammonium_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_ammonium_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_chloride_in_non_refractory_pm1_in_air mass_concentration_of_nitrate_expressed_as_nitrogen_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_nitrate_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_organic_mass_in_non_refractory_pm1_in_air mass_concentration_of_sulphate_expressed_as_sulphur_in_non_refractory_pm1_dry_aerosol_particles_in_air mass_concentration_of_sulphate_in_non_refractory_pm1_dry_aerosol_particles_in_air" />
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  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/KY5R-2QN9" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Freney, E., Sellegri, K., ACTRIS, GAW-WDCA, UnderRevision, 2018, Inorganics in air and particle phase at Puy de Dôme, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/KY5R-2QN9" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR04L CNRS-LaMP &quot;Campus des Cézeaux&quot; &quot;24 avenue des Landais&quot; 63177 Aubière France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2019-03-08T09:40:14.047000Z" />
  <attribute name="date_metadata_modified" value="2018-11-26T07:52:33Z" />
  <attribute name="creator_name" value="Evelyn Freney, Karine Sellegri" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", k.sellegri@opgc.fr" />
  <attribute name="creator_institution" value=", &quot;CNRS-LaMP, Campus des Cezea&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal" />
  <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" />
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  <attribute name="geospatial_bounds" value="POINT Z (2.964886 45.772223 1465)" />
  <attribute name="geospatial_lat_min" type="double" value="45.772223" />
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  <attribute name="ebas_volume_std_temperature" value="273.15 K" />
  <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
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  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig, Paul Eckhardt" />
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  <attribute name="ebas_originator" value="&quot;Freney, Evelyn, , , , , , , , , &quot;, &quot;Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France&quot;" />
  <attribute name="ebas_submitter" value="&quot;Pascal, Nicolas, , , , , , , , , &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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  <dimension name="time" length="8760" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="qc_ammonium_ug_N_per_m3_amean_flags" length="1" />
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  <dimension name="qc_chloride_amean_flags" length="1" />
  <dimension name="qc_chloride_stddev_flags" length="1" />
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  <dimension name="qc_organic_mass_amean_flags" length="1" />
  <dimension name="qc_organic_mass_stddev_flags" length="1" />
  <dimension name="d_Fraction" length="3" />
  <dimension name="qc_organic_mass_amean_d_Fraction_flags" length="1" />
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    <attribute name="ebas_comment" value="Uncertainties computed using the standard deviation" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="chloride" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="nitrate" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="organic_mass" />
    <attribute name="ebas_unit" value="ug/m3" />
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    <attribute name="ebas_comment" value="Uncertainties computed using the standard deviation" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticleorganicsmassconcentration" />
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    <attribute name="ebas_regime" value="IMG" />
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  <variable name="qc_organic_mass_stddev_d_Fraction" shape="d_Fraction qc_organic_mass_stddev_d_Fraction_flags time" type="int">
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    <attribute name="standard_name" value="status_flag" />
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  <variable name="meta_organic_mass_stddev_d_Fraction" shape="d_Fraction metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="ug/m3" />
    <attribute name="ancillary_variables" value="qc_sulphate_total_ug_S_per_m3_amean meta_sulphate_total_ug_S_per_m3_amean" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, manually inspected" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
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    <attribute name="ebas_unit" value="ug/m3" />
    <attribute name="ebas_matrix" value="pm1_non_refractory" />
    <attribute name="ebas_laboratory_code" value="FR04L" />
    <attribute name="ebas_instrument_type" value="aerosol_mass_spectrometer" />
    <attribute name="ebas_instrument_name" value="Aerodyne_ToF-ACSM_PUY" />
    <attribute name="ebas_instrument_manufacturer" value="Aerodyne" />
    <attribute name="ebas_instrument_model" value="ToF-ACSM" />
    <attribute name="ebas_instrument_serial_number" value="13" />
    <attribute name="ebas_method_ref" value="FR01L_Ng_2011" />
    <attribute name="ebas_standard_method" value="Ref=Ng_2011" />
    <attribute name="ebas_inlet_description" value="Inlet cutpoint=PM5" />
    <attribute name="ebas_volume_std_temperature" value="273.15 K" />
    <attribute name="ebas_volume_std_pressure" value="1013.25 hPa" />
    <attribute name="ebas_measurement_uncertainty_expl" value="Uncertainties calculated using based on the method of Allan et al. (2003), DOI 10.1029/2002JD002358." />
    <attribute name="ebas_zero_negative_values_code" value="Zero/negative possible" />
    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR04L, CNRS-LaMP, , , Campus des Cézeaux, 24 avenue des Landais, 63177, Aubière, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA, UnderRevision" />
    <attribute name="ebas_framework_name" value="&quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases&quot;, World Data Centre for Aerosols, Data under revision" />
    <attribute name="ebas_framework_description" value="&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;, &quot;The World Data Centre for Aerosols is the data repository and archive for microphysical, optical, and chemical properties of atmospheric aerosol of the World Meteorological Organisation's (WMO) Global Atmosphere Watch (GAW) programme.&quot;, &quot;Data under revision, content is locked and data not available until resubmission&quot;" />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig, Paul Eckhardt" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no, pe@nilu.no" />
    <attribute name="ebas_originator" value="&quot;Freney, Evelyn, , , , , , , , , &quot;, &quot;Sellegri, Karine, k.sellegri@opgc.fr, CNRS-LaMP, Campus des Cezea, , 24 avenue des Landais, , 63177, Aubiere, France&quot;" />
    <attribute name="ebas_submitter" value="&quot;Pascal, Nicolas, , , , , , , , , &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: ACTRIS, GAW-WDCA, UnderRevision. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="ebas_comment" value="Uncertainties computed using the standard deviation -- Data converted on export from EBAS from 'ug S/m3' to 'ug/m3', conversion factor 2.9962." />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlesulphatemassconcentration" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle sulphate mass concentration" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/PM1" />
    <attribute name="actris_matrix_preferred_term" value="PM1" />
    <attribute name="actris_constraints_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/non-refractory" />
    <attribute name="actris_constraints_preferred_term" value="non-refractory" />
    <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/particlemassspectrometer" />
    <attribute name="actris_instrument_type_preferred_term" value="particle mass spectrometer" />
    <attribute name="actris_framework_uri" value="https://vocabulary.actris.nilu.no/actris_controlled_lists/ACTRIS, https://vocabulary.actris.nilu.no/actris_controlled_lists/GAW-WDCA" />
    <attribute name="actris_framework_preferred_term" value="ACTRIS, GAW-WDCA" />
    <attribute name="actris_temporal_resolution" value="PT1H" />
    <attribute name="actris_access_restriction" type="long" value="1" />
  </variable>
  <variable name="qc_sulphate_total_ug_per_m3_stddev" shape="qc_sulphate_total_ug_per_m3_stddev_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_sulphate_total_ug_per_m3_stddev" 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" />
  </variable>
  <variable name="d_Fraction" shape="d_Fraction" type="String" />
</netcdf>
