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  <attribute name="title" value="Ground based in situ observations of nephelometer at SIRTA Atmospheric Research Observatory (FR0020R)" />
  <attribute name="keywords" value="SIRTA Atmospheric Research Observatory, FR0020R, aerosol, GAW-WDCA, ACTRIS, aerosol_light_scattering_coefficient, volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles" />
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  <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(s), in terms of acknowledgment" />
  <attribute name="doi" value="https://doi.org/10.48597/6U9C-5TY5" />
  <attribute name="license" value="https://creativecommons.org/licenses/by/4.0/" />
  <attribute name="citation" value="Jean-Eudes Petit, Valerie Gros, Francois Truong, Valerie Gros, Francois Truong, aerosol_light_scattering_coefficient - nephelometer at SIRTA Atmospheric Research Observatory, data hosted by EBAS at NILU, DOI: https://doi.org/10.48597/6U9C-5TY5" />
  <attribute name="summary" value="Ground based in situ observations of nephelometer at SIRTA Atmospheric Research Observatory (FR0020R). 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_scattering_coefficient in aerosol (volume_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), aerosol_light_scattering_coefficient in aerosol (volume_scattering_coefficient_in_air_due_to_dried_aerosol_particles)" />
  <attribute name="source" value="surface observation" />
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  <attribute name="processing_level" value="processing_level_test" />
  <attribute name="date_created" value="2020-06-04T13:01:49 UTC" />
  <attribute name="date_metadata_modified" value="2020-06-04T13:01:49 UTC" />
  <attribute name="creator_name" value="Jean-Eudes Petit, Valerie Gros, Francois Truong, Valerie Gros, Francois Truong" />
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  <attribute name="creator_email" value=", valerie.gros@lsce.ipsl.fr, francois.truong@lsce.ipsl.fr, valerie.gros@lsce.ipsl.fr, francois.truong@lsce.ipsl.fr" />
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  <attribute name="contributor_name" value="Nicolas Pascal, Nicolas Pascal" />
  <attribute name="contributor_role" value="data submitter, data submitter" />
  <attribute name="publisher_type" value="institution" />
  <attribute name="publisher_name" value="NILU - Norwegian Institute for Air Research, ATMOS, EBAS" />
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  <attribute name="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_originator" value="Truong, Francois, francois.truong@lsce.ipsl.fr, Laboratoire des Sciences du Climat et de l'Environnement, LSCE, SIRTA, CEA Orme des Merisiers, Bat 701, 91191, Gif-sur-Yvette, France" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 m" />
    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="relative_humidity" />
    <attribute name="ebas_unit" value="%" />
    <attribute name="ebas_matrix" value="instrument" />
    <attribute name="ebas_laboratory_code" value="FR01L" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM1 size cut-off ; Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
    <attribute name="ebas_humidity_temperaure_control" value="Temperature controlled" />
    <attribute name="ebas_humidity_temperaure_control_description" value="passive, sample heated from atmospheric to lab temperature, silica gel dryer" />
    <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" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
    <attribute name="ebas_organization" value="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <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_originator" value="Petit, Jean-Eudes, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
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  </variable>
  <variable name="relative_humidity_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" />
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    <attribute name="ebas_data_license" value="https://creativecommons.org/licenses/by/4.0/" />
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    <attribute name="ebas_version_description" value="initial revision, raw not corrected data, no algorithm data treatment" />
    <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="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
    <attribute name="ebas_measurement_height" value="6.0 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="FR01L" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM1 size cut-off ; Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
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    <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="FR01L, Laboratoire des Sciences du Climat et de l'Environnement, LSCE-CNRS-CEA, CEA Orme des Merisiers, Bat 701, , 91191, Gif-sur-Yvette, France" />
    <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_originator" value="Petit, Jean-Eudes, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
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    <attribute name="units" value="1" />
  </variable>
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="_FillValue" type="double" value="NaN" />
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    <attribute name="missing_value" type="double" value="NaN" />
    <attribute name="units" value="1/Mm" />
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    <attribute name="ebas_version_description" value="initial revision, raw not corrected data, no algorithm data treatment" />
    <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="FR0020R" />
    <attribute name="ebas_platform_code" value="FR0020S" />
    <attribute name="ebas_station_name" value="SIRTA Atmospheric Research Observatory" />
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    <attribute name="ebas_station_altitude" value="162.0 m" />
    <attribute name="ebas_measuremenet_latitude" value="48.709" />
    <attribute name="ebas_measurement_longitude" value="2.159" />
    <attribute name="ebas_measurement_altitude" value="162.0 m" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
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    <attribute name="ebas_matrix" value="aerosol" />
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    <attribute name="ebas_inlet_type" value="Hat or hood" />
    <attribute name="ebas_inlet_description" value="PM1 size cut-off ; Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
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    <attribute name="ebas_zero_negative_values" value="Zero and neg. values may appear due to statistical variations at very low concentrations" />
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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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  <variable name="aerosol_light_scattering_coefficient_amean_qc" shape="aerosol_light_scattering_coefficient_amean_qc_flags time" type="int">
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    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
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    <attribute name="ebas_measuremenet_latitude" value="48.709" />
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    <attribute name="ebas_regime" value="IMG" />
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    <attribute name="ebas_inlet_description" value="PM1 size cut-off ; Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
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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_measuremenet_latitude" value="48.709" />
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    <attribute name="ebas_regime" value="IMG" />
    <attribute name="ebas_component" value="aerosol_light_scattering_coefficient" />
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    <attribute name="ebas_inlet_description" value="PM1 size cut-off ; Sample flow rate 5 l/min ; 4 meter stainless tube (1/2&quot; outside)" />
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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" />
    <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="Petit, Jean-Eudes, , , , , , , , , " />
    <attribute name="ebas_acknowledgement" value="For using this data for any kind of publications, you must contact the data originator(s), in terms of acknowledgment" />
  </variable>
  <variable name="aerosol_light_scattering_coefficient_perc8413_qc" shape="aerosol_light_scattering_coefficient_perc8413_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="aerosol_light_scattering_coefficient_perc8413_ebasmetadata" shape="metadata_time" type="String">
    <attribute name="long_name" value="ebas metadata for different time intervals; json encoded" />
  </variable>
  <variable name="time" shape="time" type="double">
    <attribute name="long_name" value="time of measurement" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
  <variable name="metadata_time" shape="metadata_time" type="double">
    <attribute name="long_name" value="time of ebas metadata intervals" />
    <attribute name="standard_name" value="time" />
    <attribute name="units" value="days since 1900-01-01 00:00:00 UTC" />
    <attribute name="axis" value="T" />
    <attribute name="calendar" value="gregorian" />
    <attribute name="bounds" value="metadata_time_bnds" />
    <attribute name="_CoordinateAxisType" value="Time" />
  </variable>
</netcdf>
