netcdf C1/BECOOL/ST2_C1_13_STR1_BECOOL_2.2.nc {
  dimensions:
    time = 2051;
    range = 1400;
  variables:
    long time(time=2051);
      :standard_name = "time";
      :long_name = "median time of the lidar measurement";
      :units = "milliseconds since 2021-11-16T00:06:49.500000";
      :calendar = "proleptic_gregorian";

    long time_start(time=2051);
      :long_name = "beginning of the lidar measurement";
      :coordinates = "sequence_idx";
      :units = "seconds since 2021-11-16 00:01:29";
      :calendar = "proleptic_gregorian";

    long time_stop(time=2051);
      :long_name = "end of the lidar measurement";
      :coordinates = "sequence_idx";
      :units = "seconds since 2021-11-16 00:12:10";
      :calendar = "proleptic_gregorian";

    long range(range=1400);
      :standard_name = "range";
      :long_name = "distance between the instrument and the sounded level";
      :units = "m";

    double sequence_idx(time=2051);
      :_FillValue = NaN; // double
      :standard_name = "index_of_sequences_of_observations";
      :long_name = "index_of_sequences_of_observations_(typically 10 minutes sequences)";

    double night_idx(time=2051);
      :_FillValue = NaN; // double
      :standard_name = "index_of_nights_of_observations";
      :long_name = "index_of_nights_of_observations";
      :coordinates = "sequence_idx";

    double alti(time=2051);
      :_FillValue = NaN; // double
      :standard_name = "altitude";
      :long_name = "instrument height above the geoid (low resolution of EGM96)";
      :units = "m";
      :comment = "from TSEN data";
      :coordinates = "sequence_idx longitude latitude";

    double lat(time=2051);
      :comment = "from TSEN data";
      :coordinates = "sequence_idx longitude latitude";
      :standard_name = "latitude";
      :long_name = "latitude";
      :units = "degree_north";
      :_FillValue = NaN; // double

    double lon(time=2051);
      :standard_name = "longitude";
      :long_name = "longitude";
      :units = "degree_east";
      :comment = "from TSEN data";
      :coordinates = "sequence_idx longitude latitude";
      :_FillValue = NaN; // double

    double ground_echo_alti(time=2051);
      :standard_name = "altitude_of_detected_ground_echo";
      :long_name = "altitude_of_detected_ground_echo";
      :coordinates = "sequence_idx longitude latitude";
      :_FillValue = NaN; // double
      :units = "m";

    double bt2(time=2051, range=1400);
      :_FillValue = NaN; // double
      :standard_name = "volume_attenuated_backwards_scattering_function_in_air";
      :long_name = "volume_attenuated_backwards_scattering_function_in_air";
      :coordinates = "sequence_idx longitude latitude";
      :units = "m-1.sr-1";

    double bt2_std(time=2051, range=1400);
      :_FillValue = NaN; // double
      :standard_name = "volume_attenuated_backwards_scattering_function_in_air standard_deviation";
      :long_name = "volume_attenuated_backwards_scattering_function_in_air standard_deviation";
      :units = "m-1.sr-1";
      :coordinates = "sequence_idx longitude latitude";

    double beta_part(time=2051, range=1400);
      :standard_name = "particular_backscatter_coefficient";
      :long_name = "particular_extinction_coefficient";
      :units = "sr-1.m-1";
      :coordinates = "sequence_idx";
      :_FillValue = NaN; // double

    double lidar_ratio(time=2051, range=1400);
      :standard_name = "particular_lidar_ratio";
      :long_name = "particular_extinction_to_backscatter_ratio";
      :units = "sr";
      :coordinates = "sequence_idx";
      :_FillValue = NaN; // double

    double scattering_ratio(time=2051, range=1400);
      :standard_name = "scattering_ratio_profile";
      :long_name = "scattering_ratio_profile";
      :units = "no_unit";
      :comment = "ratio of total backscatter (particular + molecular) to molecular backscatter";
      :coordinates = "sequence_idx";
      :_FillValue = NaN; // double

  // global attributes:
  :Conventions = "CF-1.8";
  :project = "Strateole-2";
  :flight = "ST2_C1_13_STR1";
  :instrument_name = "BeCOOL";
  :product_title = "BeCOOL Particular Backscatter";
  :product_version = "2.2";
  :product_date = "2023-07-06";
  :product_uuid = "7b62d67a-2359-40c5-8600-098841166b03";
  :pi_name = "François Ravetta";
  :pi_email = "francois.ravetta@latmos.ipsl.fr";
  :pi_institution = "LATMOS, Sorbonne Université";
  :publisher_name = "Thomas Lesigne";
  :publisher_email = "thomas.lesigne@latmos.ipsl.fr";
  :publisher_institution = "LATMOS, CNRS";
  :conditions_of_use_requirement = "Contact PI";
  :conditions_of_use_acknowledgements = "The balloon-borne BECOOL dataset used in this [study,paper,...] was collected within Strateole-2, a French-US initiative supported by CNES, CNRS, NSF, and ESA.";
  :references_ref1 = "François Ravetta, Vincent Mariage, Emmanuel Brousse, Eric d\'Almeida, Frédéric Ferreira, et al.. BeCOOL: A Balloon-Borne Microlidar System Designed for Cirrus and Convective Overshoot Monitoring. EPJ Web of Conferences, EDP Sciences, 2020, The 29th International Laser Radar Conference (ILRC 29), 237, 07003 (2p.). ⟨10.1051/epjconf/202023707003⟩. ⟨insu-02896973⟩";
  :comments_comment1 = "Product_version 2.2: this is the version 2 of the level 2 dataset.";
  :keywords = "GCMD:EARTH SCIENCE,GCMD:ATMOSPHERE";
  :platform = "GCMD:Balloons/Rockets,GCMD:BALLOONS";
  :instrument = "GCMD:Earth Remote Sensing Instruments,GCMD:Active Remote Sensing,GCMD:Profilers/Sounders,GCMD:Lidar/Laser Sounders";
  :keywords_vocabulary = "GCMD:GCMD Keywords";
  :platform_vocabulary = "GCMD:GCMD Keywords";
  :instrument_vocabulary = "GCMD:GCMD Keywords";
}