<?xml version="1.0" encoding="UTF-8"?>
<netcdf xmlns="http://www.unidata.ucar.edu/namespaces/netcdf/ncml-2.2" location="Not provided because of security concerns.">
  <attribute name="Conventions" value="CF-1.8, ACDD-1.3" />
  <attribute name="featureType" value="timeSeries" />
  <attribute name="title" value="Aerosol light scattering at Observatoire Perenne de l'Environnement" />
  <attribute name="summary" value="Aerosol light scattering at Observatoire Perenne de l'Environnement. 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: ['aerosol_light_backscattering_coefficient in aerosol (volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles)', 'aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)']" />
  <attribute name="keywords" value="&quot;Observatoire Perenne de l'Environnement&quot; FR0022R aerosol_light_backscattering_coefficient aerosol_light_scattering_coefficient aerosol ACTRIS GAW-WDCA volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
  <attribute name="id" value="RJXN-Y378.nc" />
  <attribute name="naming_authority" value="EBAS" />
  <attribute name="project" value="ACTRIS, GAW-WDCA" />
  <attribute name="acknowledgement" value="" />
  <attribute name="doi" value="https://doi.org/10.48597/RJXN-Y378" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Villani, P., Conil, S., ACTRIS, GAW-WDCA, 2025, Aerosol light scattering at Observatoire Perenne de l'Environnement, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RJXN-Y378" />
  <attribute name="source" value="surface observation" />
  <attribute name="institution" value="FR11L &quot;Agence nationale pour la gestion des déchets radioactifs&quot; Andra &quot;1/7 rue Jean Monnet&quot; 92298 &quot;CHATENAY-MALABRY Cedex&quot; France" />
  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2025-03-26T11:59:12.341215Z" />
  <attribute name="date_metadata_modified" value="2025-03-12T16:46:46Z" />
  <attribute name="creator_name" value="Paolo Villani, Sebastien Conil" />
  <attribute name="creator_type" value="person" />
  <attribute name="creator_email" value="P.Villani@opgc.univ-bpclermont.fr, Sebastien.Conil@andra.fr" />
  <attribute name="creator_institution" value="&quot;Observatoire de Physique du Globe de Clermont-Ferrand, CNRS/OPGC/LaMP, OPGC&quot;, &quot;Observatoire Perenne de l'Environnement, Centre de Meuse/Haute-Marne, ANDRA/OPE&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" />
  <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="MULTIPOINT Z ((5.505 48.562 392), (5.5055555555555555 48.562222222222225 392))" />
  <attribute name="geospatial_lat_min" type="double" value="48.562" />
  <attribute name="geospatial_lat_max" type="double" value="48.562222222222225" />
  <attribute name="geospatial_lon_min" type="double" value="5.505" />
  <attribute name="geospatial_lon_max" type="double" value="5.5055555555555555" />
  <attribute name="geospatial_vertical_min" type="double" value="392.0" />
  <attribute name="geospatial_vertical_max" type="double" value="392.0" />
  <attribute name="geospatial_vertical_positive" value="up" />
  <attribute name="geospatial_bounds_crs" value="EPSG:4979" />
  <attribute name="time_coverage_start" value="2024-01-01T00:00:00Z" />
  <attribute name="time_coverage_end" value="2025-01-01T00:00:00Z" />
  <attribute name="time_coverage_duration" value="P0001-00-00T00:00:00" />
  <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="Villani, P., Conil, S., ACTRIS, GAW-WDCA, 2025, Aerosol light scattering at Observatoire Perenne de l'Environnement, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/RJXN-Y378" />
  <attribute name="ebas_set_type_code" value="TU" />
  <attribute name="ebas_timezone" value="UTC" />
  <attribute name="ebas_file_name" value="RJXN-Y378.nc" />
  <attribute name="ebas_represents_doi" value="https://doi.org/10.48597/RJXN-Y378" />
  <attribute name="ebas_contains_doi" value="https://doi.org/10.48597/RJXN-Y378" />
  <attribute name="ebas_file_creation" value="2026-05-08T19:02:58.236558Z" />
  <attribute name="ebas_export_state" value="2025-03-26T11:59:12.341215Z" />
  <attribute name="ebas_export_filter" value="exclude-900,exclude-invalid" />
  <attribute name="ebas_startdate" value="2024-01-01T00:00:00.000000Z" />
  <attribute name="ebas_revision_date" value="2025-03-12T16:46:46.000000Z" />
  <attribute name="ebas_version" value="1" />
  <attribute name="ebas_version_description" value="initial revision, raw data" />
  <attribute name="ebas_data_level" value="2" />
  <attribute name="ebas_period_code" value="1y" />
  <attribute name="ebas_resolution_code" value="1h" />
  <attribute name="ebas_sample_duration" value="1h" />
  <attribute name="ebas_orig_time_res" value="1mn" />
  <attribute name="ebas_station_code" value="FR0022R" />
  <attribute name="ebas_platform_code" value="FR0022S" />
  <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
  <attribute name="ebas_station_gaw_id" value="OPE" />
  <attribute name="ebas_station_land_use" value="Agricultural" />
  <attribute name="ebas_station_setting" value="Rural" />
  <attribute name="ebas_station_wmo_region" type="long" value="6" />
  <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
  <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
  <attribute name="ebas_station_altitude" value="392.0 m" />
  <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
  <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
  <attribute name="ebas_measurement_altitude" value="392.0 m" />
  <attribute name="ebas_measurement_height" value="4.0 m" />
  <attribute name="ebas_regime" value="IMG" />
  <attribute name="ebas_unit" value="1/Mm" />
  <attribute name="ebas_matrix" value="aerosol" />
  <attribute name="ebas_laboratory_code" value="FR11L" />
  <attribute name="ebas_instrument_type" value="nephelometer" />
  <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
  <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
  <attribute name="ebas_instrument_model" value="Aurora3000" />
  <attribute name="ebas_instrument_serial_number" value="#12-0489" />
  <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
  <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
  <attribute name="ebas_inlet_type" value="Hat or hood" />
  <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
  <attribute name="ebas_humidity_temperaure_control" value="None" />
  <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
  <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
  <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
  <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
  <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
  <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" />
  <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;" />
  <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  <attribute name="_NCProperties" value="version=2,netcdf=4.9.3,hdf5=1.14.6" />
  <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="_CoordSysBuilder" value="ucar.nc2.internal.dataset.conv.CF1Convention" />
  <dimension name="time" length="8784" />
  <dimension name="tbnds" length="2" />
  <dimension name="metadata_time" length="1" />
  <dimension name="d_Wavelength" length="3" />
  <dimension name="qc_aerosol_light_backscattering_coefficient_amean_flags" length="1" />
  <dimension name="qc_aerosol_light_backscattering_coefficient_prec1587_flags" length="1" />
  <dimension name="qc_aerosol_light_backscattering_coefficient_perc8413_flags" length="1" />
  <dimension name="qc_aerosol_light_scattering_coefficient_amean_flags" length="1" />
  <dimension name="qc_aerosol_light_scattering_coefficient_prec1587_flags" length="1" />
  <dimension name="qc_aerosol_light_scattering_coefficient_perc8413_flags" length="1" />
  <group name="CFMetadata">
    <attribute name="time_coverage_start" value="2024-01-01T00:30:00Z" />
    <attribute name="time_coverage_end" value="2024-12-31T23:30:00Z" />
    <attribute name="time_coverage_units" value="seconds" />
    <attribute name="time_coverage_resolution" value="3600.0" />
    <attribute name="time_coverage_duration" value="P0Y0M365DT23H0M0.000S" />
  </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_aerosol_light_backscattering_coefficient_amean" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_backscattering_coefficient_amean meta_aerosol_light_backscattering_coefficient_amean" />
    <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="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelighthemisphericbackscattercoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light hemispheric backscatter coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_backscattering_coefficient_amean" shape="d_Wavelength qc_aerosol_light_backscattering_coefficient_amean_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_aerosol_light_backscattering_coefficient_amean" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_backscattering_coefficient_prec1587" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_backscattering_coefficient_prec1587 meta_aerosol_light_backscattering_coefficient_prec1587" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelighthemisphericbackscattercoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light hemispheric backscatter coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_backscattering_coefficient_prec1587" shape="d_Wavelength qc_aerosol_light_backscattering_coefficient_prec1587_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_aerosol_light_backscattering_coefficient_prec1587" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_backscattering_coefficient_perc8413" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_backwards_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_backscattering_coefficient_perc8413 meta_aerosol_light_backscattering_coefficient_perc8413" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_backscattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelighthemisphericbackscattercoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light hemispheric backscatter coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_backscattering_coefficient_perc8413" shape="d_Wavelength qc_aerosol_light_backscattering_coefficient_perc8413_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_aerosol_light_backscattering_coefficient_perc8413" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_scattering_coefficient_amean" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_scattering_coefficient_amean meta_aerosol_light_scattering_coefficient_amean" />
    <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="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <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="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelightscatteringcoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light scattering coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_scattering_coefficient_amean" shape="d_Wavelength qc_aerosol_light_scattering_coefficient_amean_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_aerosol_light_scattering_coefficient_amean" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_scattering_coefficient_prec1587" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_scattering_coefficient_prec1587 meta_aerosol_light_scattering_coefficient_prec1587" />
    <attribute name="cell_methods" value="time: percentile:15.87" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="percentile:15.87" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelightscatteringcoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light scattering coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_scattering_coefficient_prec1587" shape="d_Wavelength qc_aerosol_light_scattering_coefficient_prec1587_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_aerosol_light_scattering_coefficient_prec1587" shape="d_Wavelength metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="v_aerosol_light_scattering_coefficient_perc8413" shape="d_Wavelength time" type="double">
    <attribute name="_FillValue" type="double" value="NaN" />
    <attribute name="standard_name" value="volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
    <attribute name="ancillary_variables" value="qc_aerosol_light_scattering_coefficient_perc8413 meta_aerosol_light_scattering_coefficient_perc8413" />
    <attribute name="cell_methods" value="time: percentile:84.13" />
    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
    <attribute name="ebas_revision_date" value="2025-03-12T16:46:46.000000Z" />
    <attribute name="ebas_version" value="1" />
    <attribute name="ebas_version_description" value="initial revision, raw data" />
    <attribute name="ebas_statistics" value="percentile:84.13" />
    <attribute name="ebas_data_level" value="2" />
    <attribute name="ebas_sample_duration" value="1h" />
    <attribute name="ebas_orig_time_res" value="1mn" />
    <attribute name="ebas_station_code" value="FR0022R" />
    <attribute name="ebas_platform_code" value="FR0022S" />
    <attribute name="ebas_station_name" value="Observatoire Perenne de l'Environnement" />
    <attribute name="ebas_station_gaw_id" value="OPE" />
    <attribute name="ebas_station_land_use" value="Agricultural" />
    <attribute name="ebas_station_setting" value="Rural" />
    <attribute name="ebas_station_wmo_region" type="long" value="6" />
    <attribute name="ebas_station_latitude" type="double" value="48.562222222222225" />
    <attribute name="ebas_station_longitude" type="double" value="5.5055555555555555" />
    <attribute name="ebas_station_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_latitude" type="double" value="48.562" />
    <attribute name="ebas_measurement_longitude" type="double" value="5.505" />
    <attribute name="ebas_measurement_altitude" value="392.0 m" />
    <attribute name="ebas_measurement_height" value="4.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
    <attribute name="ebas_unit" value="1/Mm" />
    <attribute name="ebas_matrix" value="aerosol" />
    <attribute name="ebas_laboratory_code" value="FR11L" />
    <attribute name="ebas_instrument_type" value="nephelometer" />
    <attribute name="ebas_instrument_name" value="nephelometer_Ecotech_Aurora3000" />
    <attribute name="ebas_instrument_manufacturer" value="Ecotech" />
    <attribute name="ebas_instrument_model" value="Aurora3000" />
    <attribute name="ebas_instrument_serial_number" value="#12-0489" />
    <attribute name="ebas_method_ref" value="FR11L_Ecotech_Aurora3000_OPE" />
    <attribute name="ebas_standard_method" value="cal-gas=CO2+AIR_truncation-correction=Müller2011" />
    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM10 at ambient humidity inlet, no flow control" />
    <attribute name="ebas_humidity_temperaure_control" value="None" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric 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_detection_limit" value="0.3 1/Mm" />
    <attribute name="ebas_detection_limit_expl" value="instrument characteristics, information from Ecotech" />
    <attribute name="ebas_measurement_uncertainty_expl" value="average value taken from Anderson et al. 1996 for statistical and calibration uncertainty" />
    <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="FR11L, Agence nationale pour la gestion des déchets radioactifs, Andra, , 1/7 rue Jean Monnet, , 92298, CHATENAY-MALABRY Cedex, France" />
    <attribute name="ebas_framework_acronym" value="ACTRIS, GAW-WDCA" />
    <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" />
    <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;" />
    <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="&quot;Villani, Paolo, P.Villani@opgc.univ-bpclermont.fr, Observatoire de Physique du Globe de Clermont-Ferrand, OPGC, CNRS/OPGC/LaMP, 4 avenue Blaise Pascal - TSA60026 CS60026, Campus des Cezeaux, 63178, Aubiere, France&quot;, &quot;Conil, Sebastien, Sebastien.Conil@andra.fr, Observatoire Perenne de l'Environnement, ANDRA/OPE, Centre de Meuse/Haute-Marne, RD960, CP9, 55290, Bure, 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. For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
    <attribute name="actris_variable_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlelightscatteringcoefficient" />
    <attribute name="actris_variable_preferred_term" value="aerosol particle light scattering coefficient" />
    <attribute name="actris_matrix_uri" value="https://vocabulary.actris.nilu.no/actris_vocab/aerosolparticlephase" />
    <attribute name="actris_matrix_preferred_term" value="aerosol 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/integratingnephelometer" />
    <attribute name="actris_instrument_type_preferred_term" value="integrating nephelometer" />
    <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="0" />
  </variable>
  <variable name="qc_aerosol_light_scattering_coefficient_perc8413" shape="d_Wavelength qc_aerosol_light_scattering_coefficient_perc8413_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_aerosol_light_scattering_coefficient_perc8413" shape="d_Wavelength 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_Wavelength" shape="d_Wavelength" type="double" />
</netcdf>
