netcdf frf/geomorphology/elevationTransects/duneLidarTransect/duneLidarTransect.ncml {
  dimensions:
    station_name_length = 17;
    xFRF = 1551;
    time = 63132;
  variables:
    char station_name(station_name_length=17);
      :units = ;
      :long_name = "station name";
      :cf_role = "timeseries_id";
      :short_name = "station_name";

    double lidarLatitude;
      :_FillValue = -999.99; // double
      :units = "degrees_north";
      :standard_name = "latitude";
      :long_name = "Lidar Latitude";
      :description = "\'Latitude in degrees north for the center of the lidar scanner. Longitude for the center of the lidar scanner is found in lidarLon. All beach profile data and statistics are provided at fixed cross-shore locations along the cross-shore transect defined in [xFRF, yFRF]. Location of lidar scanner in FRF coordinates are located in lidarX and lidarY.\'\n";
      :short_name = "lidarLat";

    double lidarLongitude;
      :_FillValue = -999.99; // double
      :units = "degrees_east";
      :standard_name = "longitude";
      :long_name = "Lidar Longitude";
      :description = "\'Longitude in degrees east for the center of the lidar scanner. Latitude for the center of the lidar scanner is found in lidarLat. All beach profile data and statistics are provided at fixed cross-shore locations along the cross-shore transect defined in [xFRF, yFRF]. Location of lidar scanner in FRF coordinates are located in lidarX and lidarY.\'\n";
      :short_name = "lidarLon";

    double lidarX;
      :_FillValue = -999.99; // double
      :units = "m";
      :long_name = "Lidar FRF X-coordinate";
      :description = "\'X-coordinate (cross-shore) of the lidar scanner center in FRF coordinate system. Y-coordinate (alongshore) for the center of the lidar scanner is found in lidarY. Location of lidar scanner in latitude, longitude are located in Latitude and Longitude. All beach profile data and statistics are provided at fixed cross-shore locations along the cross-shore transect defined in [xFRF, yFRF]. Locations of data points in FRF coordinates are located in xFRF and yFRF. See Global Attributes for specifications of FRF coordinate system.\'\n";
      :short_name = "lidarX";

    double lidarY;
      :_FillValue = -999.99; // double
      :units = "m";
      :long_name = "Lidar FRF Y-coordinate";
      :description = "\'Y-coordinate (alongshore) of the lidar scanner center in FRF coordinate system. X-coordinate (cross-shore) for the center of the lidar scanner is found in lidarX. Location of lidar scanner in latitude, longitude are located in Latitude and Longitude. All beach profile data and statistics are provided at fixed cross-shore locations along the cross-shore transect defined in [xFRF, yFRF]. Locations of data points in FRF coordinates are located in xFRF and yFRF. See Global Attributes for specifications of FRF coordinate system.\'\n";
      :short_name = "lidarY";

    double longitude(xFRF=1551);
      :_FillValue = -999.99; // double
      :units = "m";
      :long_name = "Longitude";
      :description = "\'1D array of longitude coordinates in decimal degrees east where beach profile data and statistics are provided. Each longitude\'s corresponding latitude is found at the same index in latitude. Each point\'s corresponding FRF X-coordinate, FRF Y-coordinate are found at the same index in xFRF, yFRF.\'\n";
      :short_name = "lon";

    double latitude(xFRF=1551);
      :units = "m";
      :long_name = "Latitude";
      :description = "\'1D array of latitude coordinates in decimal degress north where beach profile data and statistics are provided. Each latitude\'s corresponding longitude is found at the same index in Longitude. Each point\'s corresponding FRF X-coordinate, FRF Y-coordinate are found at the same index in xFRF, yFRF.\'\n";
      :short_name = "lat";
      :_FillValue = -999.99; // double

    double xFRF(xFRF=1551);
      :_FillValue = -999.99; // double
      :units = "m";
      :long_name = "Local FRF Cross-Shore Coordinate";
      :description = "\'1D array of FRF X-coordinates (cross-shore) of locations where beach profile data and statistics are provided. Each FRF X-coordinate\'s corresponding FRF Y-coordinate is found at the same index in yFRF. xFRF and yFRF are the FRF coordinates for all beach profile data and statistics in this ncml.\'\n";
      :short_name = "Cross Shore";

    double yFRF(xFRF=1551);
      :units = "m";
      :long_name = "Local FRF Along-Shore Coordinate";
      :description = "\'1D array of FRF Y-coordinates (alongshore) of locations where beach profile data and statistics are provided. Each FRF Y-coordinate\'s corresponding FRF X-coordinate is found at the same index in xFRF. FRF Y-coordinates may vary slightly along the lidar scan line as the lidar scan is not exactly aligned with the FRF coordinate system.  xFRF and yFRF are the FRF coordinates for all beach profile data and statistics in this ncml.\'\n";
      :short_name = "Along Shore";
      :_FillValue = -999.99; // double

    double time(time=63132);
      :_FillValue = -999.99; // double
      :units = "seconds since 1970-01-01 00:00:00";
      :standard_name = "time";
      :long_name = "UTC Sample Time";
      :calendar = "gregorian";
      :description = "\'Hourly time stamp associated with beach profile and statistics.\'\n";
      :short_name = "time";
      :_ChunkSizes = 512U; // uint

    double elevation(time=63132, xFRF=1551);
      :units = "m";
      :long_name = "Bare-Earth Sub-aerial Beach Elevation";
      :description = "\'1D array of mean bare-earth sub-aerial beach elevations at each fixed cross-shore location along the cross-shore transect defined in [xFRF, yFRF] over the 30-min linescan. These data have been interpolated from the raw data to the fixed cross-shore locations provided in xFRF. Each sample point\'s location in FRF coordinates is found at the same index in xFRF and yFRF.\'\n";
      :short_name = "Elevation";
      :_FillValue = -999.99; // double
      :_ChunkSizes = 1U, 1551U; // uint

    double elevationSigma(time=63132, xFRF=1551);
      :units = "m";
      :long_name = "Standard Deviation of Sub-aerial Beach Elevations";
      :description = "\'1D array of standard deviations in observed elevation of the sub-aerial beach at each fixed cross-shore location along the cross-shore transect defined in [xFRF, yFRF] over the 30-min linescan. These data have been interpolated from the raw data to the fixed cross-shore locations provided in xFRF. Each sample point\'s location in FRF coordinates is found at the same index in xFRF and yFRF.\'\n";
      :short_name = "Elevation Standard Deviation";
      :_FillValue = -999.99; // double
      :_ChunkSizes = 1U, 1551U; // uint

    double beachForeshoreSlope(time=63132);
      :units = "m/m";
      :long_name = "Beach Foreshore Slope";
      :description = "\'Linear-fit of the beach profile slope in the swash zone (mean water level position +/- 2*sigma in swash).\'\n";
      :short_name = "Beach Foreshore Slope";
      :_FillValue = -999.99; // double
      :_ChunkSizes = 289U; // uint

    double beachProfileQCFlag(time=63132);
      :_FillValue = 9.0; // double
      :units = ;
      :long_name = "Beach Profile QC Flag";
      :flag_values = "1, 2, 3, 4, 9";
      :flag_meanings = "1=good, 2=not_evaluated, 3=questionable, 4=bad, 9=missing";
      :description = "\'Quality Control flag for all Beach Profile Statistics.  Technical definitions forthcoming. General flag definitions guided by the Ocean Data Standards, UNESCO 2013 - IOC Manurals and Guides, 54, Volume 3 Version 1\'\n";
      :short_name = "Beach Profile QC Flag";
      :_ChunkSizes = 289U; // uint

    double percentTimeSeriesMissing(time=63132, xFRF=1551);
      :units = ;
      :long_name = "Percentage of Time Series Missing";
      :description = "Percentage of total time series at fixed cross-shore locations where no values are returned.";
      :short_name = "percentMissing";
      :_FillValue = -999.99; // double
      :_ChunkSizes = 1U, 1551U; // uint

  // global attributes:
  :title = "lidarBeachProfile";
  :name = "VZ-1000 Calculated Beach Profile";
  :featureType = "profile";
  :summary = "Beach profile description data at 945 meters in FRF alongshore collected using a Riegl VZ-1000 or VZ-2000 terrestrial laser scanner mounted on the North lidar tower at the United States Armp Corps of Engineers\' Coastal And Hydraulics Laboratory\'s Field Research Facility (USACE/CHL/FRF) in Duck, NC. The Riegl VZ-1000 is the primary data collection instrument, with the VZ-2000 deployed while the VZ-1000 is being serviced.";
  :description = "Lidar Beach Profile Data";
  :comment = "Lidar point density and accuracy decreases with range. Please check coregQCFlag for a measure of rectification accuracy.";
  :cdm_data_type = "Station";
  :history = "Measured, rectified, coregistered, and processed at USACE/CHL/FRF.";
  :source = "VZ-1000 or VZ-2000 terrestrial laser scanner observations from the North lidar tower at USACE/CHL/FRF.";
  :sourceUrl = "(local files)";
  :standard_name_vocabulary = "CFv25";
  :Metadata_Conventions = "Unidata Dataset Discovery v1.0, CF-1.6";
  :Conventions = "CF-1.6";
  :creator_name = "USACE/CHL/FRF";
  :creator_url = "http://www.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 = "CONTINENT > NORTH AMERICA > UNITED STATES OF AMERICA > NORTH CAROLINA, EARTH SCIENCE > OCEANS > COASTAL PROCESSES,  EARTH SCIENCE > OCEANS > COASTAL PROCESSES > BEACHES, EARTH SCIENCE > OCEANS > COASTAL PROCESSES > INTERTIDAL ZONE, EARTH SCIENCE > OCEANS > COASTAL PROCESSES > SHORELINES, EARTH SCIENCE > OCEANS > OCEAN WAVES, Earth Remote Sensing Instruments > Active Remote Sensing > Altimeters > Lidar/Laser Altimeters 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,\n Lidar Data\n";
  :processing = "realtime";
  :organization = "USACE/CHL/FRF";
  :publisher_url = "http://www.frf.usace.army.mil";
  :infoUrl = "http://chlthredds.erdc.dren.mil/thredds/catalog/frf/catalog.html";
  :publisher_email = "frfwebmaster@usace.army.mil";
  :publisher_name = "USACE/CHL/FRF";
  :format_version = "v1.0";
  :institution = "U. S. Army Corps Of Engineers, Coastal And Hydraulics Laboratory,  Field Research Facility (USACE/CHL/FRF)";
  :contact = "USACE/CHL/FRF";
  :contact_info = "USACE/CHL/FRF";
  :contact_role = "owner";
  :contributor_name = "USACE/CHL/FRF";
  :contributor_role = "USACE/CHL/FRF";
  :naming_authority = "FRF";
  :origin = "USACE/CHL/FRF";
  :date_created = "2025-04-30";
  :date_issued = "2025-04-30";
  :acknowledgement = "Data are provided by the US Army Engineer Research & Development Center, Coastal and Hydrualics Laboratory\'s Field Research Facility in Duck, NC.";
  :project = "USACE Coastal Field Data Collection Program";
  :id = 946.0; // double
  :processing_level = "L1";
  :geospatial_vertical_units = "m";
  :geospatial_vertical_resolution = 0.01; // double
  :geospatial_vertical_min = -5.0; // double
  :geospatial_vertical_max = 10.0; // double
  :geospatial_vertical_origin = "NAVD88 (geoid12b)";
  :geospatial_lat_min = 36.18580624482151; // double
  :geospatial_lat_max = 36.186279097846175; // double
  :geospatial_lat_units = "degrees_north";
  :geospatial_lon_min = -75.7506222472687; // double
  :geospatial_lon_max = -75.75253684396512; // double
  :geospatial_lon_units = "degrees_east";
  :geospatial_vertical_positive = "up";
  :time_coverage_start = "1970-01-09T13:28:28";
  :time_coverage_end = "1970-01-09T13:28:57";
  :deployment_start = "2015-01-15T15:20:00Z";
  :deployment_end = ; // double
  :platform = "North lidar tower";
  :instrument = "Riegl VZ-1000 or VZ-2000 terrestrial laser scanner";
  :vertical_datum = "NAVD88 (geoid12b)";
  :horizontal_datum = "FRF coordinates (rotated from NAD83(2011), North Carolina State Plane, meters(3200) using origin [901951.6805 E, 274093.1562 N] and rotation angle 69.9747)";
  :depth = 0.0; // double
}