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  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Ground based in situ observations of optical_particle_size_spectrometer at Pic du Midi (FR0019R)" />
  <attribute name="keywords" value="FR0019R, ACTRIS, particle_number_size_distribution, aerosol, number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air, Pic du Midi, GAW-WDCA" />
  <attribute name="id" value="5GGN-MCAK.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="For using this data for any kind of publications, you must contact the data originator, in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/5GGN-MCAK" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, particle_number_size_distribution - optical_particle_size_spectrometer at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/5GGN-MCAK" />
  <attribute name="summary" value="Ground based in situ observations of optical_particle_size_spectrometer at Pic du Midi (FR0019R). These measurements are gathered as a part of the following projects ACTRIS, GAW-WDCA and they are stored in the EBAS database (http://ebas.nilu.no/). Parameters measured are: particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air), particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air), particle_number_size_distribution in aerosol (number_concentration_of_positive_ions_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="2021-05-11T10:47:30 UTC" />
  <attribute name="date_metadata_modified" value="2021-05-11T10:47:30 UTC" />
  <attribute name="creator_name" value="Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value=", yves.meyerfeld@aero.obs-mip.fr, , yves.meyerfeld@aero.obs-mip.fr, , yves.meyerfeld@aero.obs-mip.fr, , yves.meyerfeld@aero.obs-mip.fr, , yves.meyerfeld@aero.obs-mip.fr" />
  <attribute name="creator_institution" value=", &quot;Observatoire Midi-Pyrenees, Laboratoire d'aerologie, OMP&quot;, , &quot;Observatoire Midi-Pyrenees, Laboratoire d'aerologie, OMP&quot;, , &quot;Observatoire Midi-Pyrenees, Laboratoire d'aerologie, OMP&quot;, , &quot;Observatoire Midi-Pyrenees, Laboratoire d'aerologie, OMP&quot;, , &quot;Observatoire Midi-Pyrenees, Laboratoire d'aerologie, OMP&quot;" />
  <attribute name="contributor_name" value="Nicolas Pascal, Nicolas Pascal, Nicolas Pascal, Nicolas Pascal, Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter, 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" />
  <attribute name="geospatial_lat_min" type="double" value="42.9372" />
  <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="2016-01-01T00:00:00 UTC" />
  <attribute name="time_coverage_end" value="2020-05-04T00:00:00 UTC" />
  <attribute name="time_coverage_duration" value="P0004-04-03T00:00:00" />
  <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="Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, particle_number_size_distribution - optical_particle_size_spectrometer at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/5GGN-MCAK" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="5GGN-MCAK.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/5GGN-MCAK" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/5GGN-MCAK" />
  <attribute name="ebas_file_creation" value="2023-12-16T12:29:38.485513 UTC" />
  <attribute name="ebas_export_state" value="2020-06-03T07:12:58.650000 UTC" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="20160101000000" />
  <attribute name="ebas_revision_date" value="20210511104730" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="4y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="5mn" />
  <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_measurement_height" value="12.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_laboratory_code" value="FR05L" />
  <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
  <attribute name="ebas_instrument_name" value="OPS_TSI_3330" />
  <attribute name="ebas_instrument_manufacturer" value="TSI" />
  <attribute name="ebas_instrument_model" value="3330" />
  <attribute name="ebas_instrument_serial_number" value="3330131903" />
  <attribute name="ebas_method_ref" value="FR05L_TSI_3330_PDM_ambient" />
  <attribute name="ebas_standard_method" value="None" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="Whole air inlet with size cut of 30 um (based on mean wind speed); Air temperature conditional warming system to defrost the hat when needed; isokinetic flux;" />
  <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
  <attribute name="ebas_humidity_temperaure_control_description" value="sample heated to lab temperature" />
  <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="estimated due to lack of SOP" />
  <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
  <attribute name="ebas_zero_negative_values" value="Zero values may appear when count is lower than 1 count per minute" />
  <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
  <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., 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." />
  <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
  <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
  <attribute name="ebas_originator" value="Meyerfeld, Yves, yves.meyerfeld@aero.obs-mip.fr, Observatoire Midi-Pyrenees, OMP, Laboratoire d'aerologie, 14 avenue Edouard Belin, , 31400, Toulouse, France" />
  <attribute name="ebas_submitter" value="Pascal, Nicolas, , , , , , , , , " />
  <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator, in terms of acknowledgment" />
  <attribute name="ebas_comment" value="calibration referenced to NIST traceable using TSI calibration system" />
  <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;Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, Veronique Pont, Yves Meyerfeld, particle_number_size_distribution - optical_particle_size_spectrometer at Pic du Midi, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/5GGN-MCAK&quot;,&#xA;    &quot;Set type code&quot;: &quot;TU&quot;,&#xA;    &quot;Timezone&quot;: &quot;UTC&quot;,&#xA;    &quot;File name&quot;: &quot;5GGN-MCAK.nc&quot;,&#xA;    &quot;Represents DOI&quot;: &quot;https://doi.org/10.48597/5GGN-MCAK&quot;,&#xA;    &quot;Contains data from DOI&quot;: &quot;https://doi.org/10.48597/5GGN-MCAK&quot;,&#xA;    &quot;File creation&quot;: &quot;2023-12-16T12:29:38.485513 UTC&quot;,&#xA;    &quot;Export state&quot;: &quot;2020-06-03T07:12:58.650000 UTC&quot;,&#xA;    &quot;Export filter&quot;: &quot;exclude-900,exclude-invalid&quot;,&#xA;    &quot;Startdate&quot;: &quot;20160101000000&quot;,&#xA;    &quot;Revision date&quot;: &quot;20210511104730&quot;,&#xA;    &quot;Version&quot;: &quot;1&quot;,&#xA;    &quot;Version description&quot;: &quot;initial revision&quot;,&#xA;    &quot;Data level&quot;: &quot;2&quot;,&#xA;    &quot;Period code&quot;: &quot;4y&quot;,&#xA;    &quot;Resolution code&quot;: &quot;1h&quot;,&#xA;    &quot;Sample duration&quot;: &quot;1h&quot;,&#xA;    &quot;Orig. time res.&quot;: &quot;5mn&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;Measurement height&quot;: &quot;12.0 m&quot;,&#xA;    &quot;Regime&quot;: &quot;IMG&quot;,&#xA;    &quot;Laboratory code&quot;: &quot;FR05L&quot;,&#xA;    &quot;Instrument type&quot;: &quot;optical_particle_size_spectrometer&quot;,&#xA;    &quot;Instrument name&quot;: &quot;OPS_TSI_3330&quot;,&#xA;    &quot;Instrument manufacturer&quot;: &quot;TSI&quot;,&#xA;    &quot;Instrument model&quot;: &quot;3330&quot;,&#xA;    &quot;Instrument serial number&quot;: &quot;3330131903&quot;,&#xA;    &quot;Method ref&quot;: &quot;FR05L_TSI_3330_PDM_ambient&quot;,&#xA;    &quot;Standard method&quot;: &quot;None&quot;,&#xA;    &quot;Inlet type&quot;: &quot;Hat or hood&quot;,&#xA;    &quot;Inlet description&quot;: &quot;Whole air inlet with size cut of 30 um (based on mean wind speed); Air temperature conditional warming system to defrost the hat when needed; isokinetic flux;&quot;,&#xA;    &quot;Humidity/temperature control&quot;: &quot;Temperature controlled&quot;,&#xA;    &quot;Humidity/temperature control description&quot;: &quot;sample heated to lab temperature&quot;,&#xA;    &quot;Volume std. temperature&quot;: &quot;273.15 K&quot;,&#xA;    &quot;Volume std. pressure&quot;: &quot;1013.25 hPa&quot;,&#xA;    &quot;Measurement uncertainty expl.&quot;: &quot;estimated due to lack of SOP&quot;,&#xA;    &quot;Zero/negative values code&quot;: &quot;Zero possible&quot;,&#xA;    &quot;Zero/negative values&quot;: &quot;Zero values may appear when count is lower than 1 count per minute&quot;,&#xA;    &quot;Organization&quot;: &quot;FR05L, Aerology Laboratory, , , \&quot;PO Box 31400, Toulouse\&quot;, , , , &quot;,&#xA;    &quot;Framework acronym&quot;: &quot;ACTRIS, GAW-WDCA&quot;,&#xA;    &quot;Framework name&quot;: &quot;European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols&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., 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;,&#xA;    &quot;Framework contact name&quot;: &quot;Cathrine Lund Myhre, Markus Fiebig&quot;,&#xA;    &quot;Framework contact email&quot;: &quot;clm@nilu.no, Markus.Fiebig@nilu.no&quot;,&#xA;    &quot;Originator&quot;: &quot;Meyerfeld, Yves, yves.meyerfeld@aero.obs-mip.fr, Observatoire Midi-Pyrenees, OMP, Laboratoire d'aerologie, 14 avenue Edouard Belin, , 31400, Toulouse, France&quot;,&#xA;    &quot;Submitter&quot;: &quot;Pascal, Nicolas, , , , , , , , , &quot;,&#xA;    &quot;Acknowledgement&quot;: &quot;For using this data for any kind of publications, you must contact the data originator, in terms of acknowledgment&quot;,&#xA;    &quot;Comment&quot;: &quot;calibration referenced to NIST traceable using TSI calibration system&quot;&#xA;}" />
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  <attribute name="creator_url" value="ebas.nilu.no" />
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  <dimension name="time" length="38040" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="5" />
  <dimension name="pressure_qc_flags" length="1" />
  <dimension name="temperature_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_0_qc_flags" length="1" />
  <dimension name="particle_number_size_distribution_amean_1_qc_flags" length="1" />
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    <attribute name="time_coverage_end" value="2020-05-03T23:30:00Z" />
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    <attribute name="time_coverage_resolution" value="3600.0" />
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    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="Whole air inlet with size cut of 30 um (based on mean wind speed); Air temperature conditional warming system to defrost the hat when needed; isokinetic flux;" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
    <attribute name="ebas_humidity_temperaure_control_description" value="sample heated to lab temperature" />
    <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="estimated due to lack of SOP" />
    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear when count is lower than 1 count per minute" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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., 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
    <attribute name="ebas_framework_contact_email" value="clm@nilu.no, Markus.Fiebig@nilu.no" />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration referenced to NIST traceable using TSI calibration system" />
  </variable>
  <variable name="pressure_qc" shape="pressure_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="pressure_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="temperature" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="K" />
    <attribute name="ancillary_variables" value="temperature_qc temperature_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="20210511104730" />
    <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_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <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_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="temperature" />
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    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FR05L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
    <attribute name="ebas_instrument_name" value="OPS_TSI_3330" />
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    <attribute name="ebas_method_ref" value="FR05L_TSI_3330_PDM_ambient" />
    <attribute name="ebas_standard_method" value="None" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
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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_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear when count is lower than 1 count per minute" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
    <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., 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." />
    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
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    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator, in terms of acknowledgment" />
    <attribute name="ebas_comment" value="calibration referenced to NIST traceable using TSI calibration system" />
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  <variable name="temperature_qc" shape="temperature_qc_flags time" type="int">
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    <attribute name="units" value="1" />
  </variable>
  <variable name="temperature_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_0" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/cm3" />
    <attribute name="ancillary_variables" value="particle_number_size_distribution_amean_0_qc particle_number_size_distribution_amean_0_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="20210511104730" />
    <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_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="5mn" />
    <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_measurement_height" value="12.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
    <attribute name="ebas_unit" value="1/cm3" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR05L" />
    <attribute name="ebas_instrument_type" value="optical_particle_size_spectrometer" />
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    <attribute name="ebas_zero_negative_values_code" value="Zero possible" />
    <attribute name="ebas_zero_negative_values" value="Zero values may appear when count is lower than 1 count per minute" />
    <attribute name="ebas_organization" value="FR05L, Aerology Laboratory, , , &quot;PO Box 31400, Toulouse&quot;, , , , " />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
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    <attribute name="ebas_framework_contact_name" value="Cathrine Lund Myhre, Markus Fiebig" />
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  <variable name="particle_number_size_distribution_amean_0_qc" shape="particle_number_size_distribution_amean_0_qc_flags time" type="int">
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  <variable name="particle_number_size_distribution_amean_0_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="particle_number_size_distribution_amean_1" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
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    <attribute name="units" value="1/cm3" />
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    <attribute name="ebas_orig_time_res" value="5mn" />
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    <attribute name="ebas_station_longitude" value="0.141944" />
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    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="particle_number_size_distribution" />
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  <variable name="particle_number_size_distribution_amean_1_qc" shape="particle_number_size_distribution_amean_1_qc_flags time" type="int">
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  <variable name="particle_number_size_distribution_amean_1_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
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  <variable name="particle_number_size_distribution_amean_2" shape="time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="number_concentration_of_positive_ions_in_dry_aerosol_particles_in_air" />
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    <attribute name="units" value="1/cm3" />
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    <attribute name="ebas_station_longitude" value="0.141944" />
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    <attribute name="ebas_measuremenet_latitude" value="42.9372" />
    <attribute name="ebas_measurement_longitude" value="0.1411" />
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  <variable name="particle_number_size_distribution_amean_2_qc" shape="particle_number_size_distribution_amean_2_qc_flags time" type="int">
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    <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" />
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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_measurement_altitude" value="2877.0 m" />
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    <attribute name="ebas_framework_name" value="European Research Infrastructure for the observation of Aerosol, Clouds, and Trace gases, World Data Centre for Aerosols" />
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    <attribute name="ebas_version_description" value="initial revision" />
    <attribute name="ebas_statistics" value="arithmetic mean" />
    <attribute name="ebas_data_level" value="2" />
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