netcdf frf/meteorology/metGauges/PAR/par.ncml {
  dimensions:
    time = 498952;
  variables:
    double lat;
      :long_name = "Latitude";
      :short_name = "lat";
      :_FillValue = -999.99; // double
      :units = "degrees_north";
      :standard_name = "latitude";

    double lon;
      :_FillValue = -999.99; // double
      :units = "degrees_east";
      :standard_name = "longitude";
      :long_name = "Longitude";
      :short_name = "lon";

    double time(time=498952);
      :_FillValue = -999.99; // double
      :units = "seconds since 1970-01-01 00:00:00";
      :standard_name = "time";
      :long_name = "UTC Sample Time";
      :calendar = "gregorian";
      :short_name = "time";
      :_ChunkSizes = 1000U; // uint

    double PAR(time=498952);
      :_FillValue = -999.99; // double
      :units = "umol m^-2 s^-1";
      :standard_name = "surface_downwelling_photosynthetic_photon_flux_in_air";
      :long_name = "Photosynthetically active radiation in air";
      :coordinates = "time";
      :short_name = "PAR";
      :_ChunkSizes = 4463U; // uint

    double solRad(time=498952);
      :_FillValue = -999.99; // double
      :units = "Watts m^-2";
      :long_name = "Solar radiation transmitted through the air";
      :coordinates = "time";
      :short_name = "Solar Radiation";
      :_ChunkSizes = 4463U; // uint

    byte parQcFlag(time=498952);
      :comment = "Qartod QC flag for PAR measurement.  1 = pass, 3 = suspect, 4 = fail, 9 = missing data. QC checks for real-time data include range test, spike test, rate of change test, and flat line test. QC checks for historical data also include additional review by an USACE Coastal Hydraulics Laboratory (CHL) reviewer.";
      :_FillValue = -99B; // byte
      :units = ;
      :long_name = "Photosynthetically active radiation in air QC Flag";
      :coordinates = "time";
      :short_name = "PAR in air QC Flag";
      :_ChunkSizes = 4463U; // uint

    byte solar_irradiance_QCflag(time=498952);
      :_FillValue = -99B; // byte
      :units = ;
      :long_name = "Solar radiation QC Flag";
      :coordinates = "time";
      :short_name = "Solar irrafiance in air QC Flag";
      :comment = "Qartod QC flag for PAR measurement.  1 = pass, 3 = suspect, 4 = fail, 9 = missing data. QC checks for real-time data include range test, spike test, rate of change test, and flat line test. QC checks for historical data also include additional review by an USACE Coastal Hydraulics Laboratory (CHL) reviewer.";
      :_ChunkSizes = 4463U; // uint

  // global attributes:
  :cdm_data_type = "Station";
  :featureType = "timeSeries";
  :station_name = "Met-PAR";
  :title = "FRF PAR and Solar Radiation";
  :summary = "Meteorological data Collected at the USACE Coastal Hydraulics Laboratory (CHL), Field Research Facility (FRF) in Duck, NC. These data were collected in the main compound of the FRF.  Several different sensors and mounting techniques were used over the 30+ years of data collection. See the variable \'sensorID\' to match the sensor to each measurement. ID    Manufacturer 10    R.M. Young Temperature and Relative Humidity Sensor.\n";
  :history = "USACE/FRF";
  :source = "In situ observations from FRF-met_weather_zeno_TH_YYYYMM.mat";
  :sourceUrl = "(local files)";
  :standard_name_vocabulary = "CFv25";
  :Metadata_Conventions = "Unidata Dataset Discovery v1.0, CF-1.6";
  :metadata_link = "N/A";
  :Conventions = "CF-1.6";
  :creator_name = "USACE/CHL/COAB";
  :creator_url = "http://frf.usace.army.mil/";
  :creator_email = "frfwebmaster@usace.army.mil";
  :license = "These data may be redistributed and used without restriction. Data are intended for scholarly use by the research community, with the express agreement that users will properly acknowledge the USACE Field Research Facility and the supporting investigator(s). Use or reproduction of these data for commercial purposes is prohibited without prior written permission.";
  :keywords_vocabulary = "Global Change Master Directory (GCMD) Earth Science Keywords; CF Standard Name Table (v23, 23 March 2013)";
  :keywords = "Atmosphere > Solar Radiation > PAR, Atmosphere > Atmospheric Water Vapor > Humidity, DOD > DOD/USARMY/USACE/CHL/FRF > Field Research Facility, Coastal And Hydraulics Laboratory, U. S. Army Corps Of Engineers, U.S. Army, U. S. Department Of Defense, Photosynthetically Active Radiation,\n";
  :processing = "realtime";
  :organization = "U.S. Army Corps of Engineers (USACE), Engineering Research and Development Center (ERDC), Coastal Hydraulics Laboratory (CHL), Observation and Analysis Branch (COAB)";
  :publisher_url = "http://frf.usace.army.mil";
  :infoUrl = "http://frf.usace.army.mil";
  :publisher_email = "frfwebmaster@usace.army.mil";
  :publisher_name = "USACE/CHL/COAB";
  :format_version = "v1.0";
  :institution = "USACE/CHL/COAB";
  :contact = "USACE/CHL/COAB";
  :contact_info = "USACE/CHL/COAB";
  :contact_role = "Owner";
  :contributor_name = "USACE/CHL/COAB";
  :contributor_role = "USACE/CHL/COAB";
  :naming_authority = "FRF";
  :origin = "USACE/CHL/COAB";
  :date_created = "2025-05-31";
  :date_issued = "2025-05-31";
  :project = "USACE/FRF observations";
  :id = "FRF-met_weather_TH";
  :acknowledgement = "Data are provided by the U.S. Army Engineer Research and Development Center, Coastal and Hydraulics Laboratory, Duck, NC.";
  :processing_level = "L1";
  :geospatial_vertical_units = "m";
  :geospatial_vertical_resolution = 0.0; // double
  :geospatial_vertical_min = 6.0; // double
  :geospatial_vertical_max = 6.0; // double
  :geospatial_vertical_origin = "NAVD88";
  :geospatial_vertical_positive = "up";
  :geospatial_lat_min = 36.18253; // double
  :geospatial_lat_max = 36.18253; // double
  :geospatial_lat_units = "degrees_north";
  :geospatial_lon_min = -75.75161; // double
  :geospatial_lon_max = -75.75161; // double
  :geospatial_lon_units = "degrees_east";
  :time_coverage_start = "2025-05-01T00:00:00";
  :time_coverage_end = "2025-05-31T23:40:00";
  :deployment_start = "2016-04-28T20:00:00Z";
  :deployment_end = "present";
  :serialNumber = 26841.0; // double
  :comment = ; // double
}