netcdf frf/geomorphology/DEMs/surveyDEM/surveyDEM.ncml {
  dimensions:
    project = 16;
    xFRF = 76;
    yFRF = 51;
    time = 493;
  variables:
    double xFRF(xFRF=76);
      :_FillValue = -999.0; // double
      :units = "m";
      :long_name = "x-coordinate in Local FRF Cartesian system";
      :data_type = "f8";
      :dim = "xFRF";
      :fill_value = "-999";
      :short_name = "x";
      :notes = "this is the cross-shore coordinate in the local FRF coordinate system";
      :axis = "X";

    double yFRF(yFRF=51);
      :_FillValue = -999.0; // double
      :units = "m";
      :long_name = "y-coordinate in Local FRF Cartesian system";
      :data_type = "f8";
      :dim = "yFRF";
      :fill_value = "-999";
      :short_name = "y";
      :notes = "this is the alongshore coordinate in the local FRF coordinate system";
      :axis = "Y";

    double latitude(yFRF=51, xFRF=76);
      :_FillValue = -999.0; // double
      :units = "degrees_north";
      :standard_name = "latitude";
      :long_name = "Latitude";
      :data_type = "f8";
      :dim = "yFRF", "xFRF";
      :fill_value = "-999";
      :epsg = 6318L; // long
      :short_name = "latitude";

    double longitude(yFRF=51, xFRF=76);
      :_FillValue = -999.0; // double
      :units = "degrees_east";
      :standard_name = "longitude";
      :long_name = "Longitude";
      :data_type = "f8";
      :dim = "yFRF", "xFRF";
      :fill_value = "-999";
      :epsg = 6318L; // long
      :short_name = "longitude";

    double time(time=493);
      :_FillValue = -999.0; // double
      :units = "seconds since 1970-01-01 00:00:00";
      :standard_name = "time";
      :long_name = "UTC Survey Date";
      :data_type = "f8";
      :dim = "time";
      :calendar = "gregorian";
      :fill_value = "-999";
      :short_name = "time";

    double elevation(time=493, yFRF=51, xFRF=76);
      :_FillValue = -999.0; // double
      :units = "m";
      :long_name = "bottom elevation";
      :data_type = "f8";
      :dim = "time", "yFRF", "xFRF";
      :fill_value = "-999";
      :short_name = "z";
      :epsg = 5703L; // long
      :coordinate = "longitude latitude xFRF yFRF";
      :notes = "Elevation is in NAVD88";
      :vertical = "up";

    int surveyNumber(time=493);
      :_FillValue = -999; // int
      :units = "m";
      :long_name = "FRF incremental survey number";
      :data_type = "i4";
      :dim = "time";
      :fill_value = "-999";
      :short_name = "surveyNumber";

    byte surveyVehicle(time=493);

    char project(time=493, project=16);
      :_FillValue = "-";
      :units = "1";
      :long_name = "FRF project name";
      :data_type = "S1";
      :dim = "time", "project";
      :fill_value = "-999";
      :short_name = "Project";
      :notes = "FRF project name; FRF is standard monthly survey, if part of experiment or another project, values are listed here";

    byte surveyInstrumentation(time=493);

    double versionDate(time=493);
      :_FillValue = -999.0; // double
      :units = "seconds since 1970-01-01";
      :long_name = "Date of Last file Edits";
      :data_type = "f8";
      :dim = "time";
      :fill_value = "-999";
      :short_name = "version Date";
      :notes = "ocasionally data are re-processed if issue is found, the date of last process is put in this variable. typically data are processed in the same week";

  // global attributes:
  :featureType = "bathymetry grid";
  :title = "bathymetry grid";
  :summary = "USACE/COAB transect made to a grided file\n";
  :history = "stuff";
  :source = "stuff";
  :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).\n Use or reproduction of these data for commercial purposes is\n prohibited without prior written permission.\n";
  :keywords_vocabulary = "FGlobal Change Master Directory (GCMD) Earth Science Keywords; CF Standard Name Table (v23, 23 March 2013)";
  :keywords = "Oceans > Ocean Waves > Wave Frequency, Oceans > Ocean Waves > Wave Height, Oceans > Ocean Waves > Wave Period, Oceans > Ocean Waves > Wave Spectra, Oceans > Ocean Waves > Wave Direction, 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, sea_surface_wave_variance_spectral_density, sea_surface_wave_significant_height, sea_surface_wave_from_direction,  sea_surface_wave_directional_variance_spectral_density";
  :processing = "realtime";
  :organization = "USACE/CHL/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";
  :acknowledgement = "Data are provided by the Field Research Facility; Coastal Observations & Analysis Branch; US Army Corps of Engineers, Duck, North Carolina.\n";
  :project = "USACE/COAB observations";
  :id = "FRF-ocean_waves_awac6m";
  :processing_level = "L1";
  :geospatial_vertical_units = "m";
  :geospatial_vertical_resolution = 0.01; // double
  :geospatial_vertical_origin = "NAVD88";
  :geospatial_lat_units = "degrees_north";
  :geospatial_lon_units = "degrees_east";
  :geospatial_vertical_positive = "up";
  :cross_shore_angle_units = "degrees_north";
  :cross_shore_angle_description = "cross shore angle at the USACE FRF site in DUCK, NC, clockwise from true north";
  :cross_shore_angle = 71.8; // double
  :date_created = "2025-03-11";
  :date_issued = "2025-03-11";
}