netcdf data/zzang/test/3D_CHL_DIN_1978.nc {
  dimensions:
    time = UNLIMITED;   // (365 currently)
    siglev = 46;
    node = 48451;
  variables:
    float CHL(time=365, siglev=46, node=48451);
      :unit = "mg Chl m-3";
      :long_name = "Concentration";
      :grid = "fvcom_grid";
      :type = "data";

    float NITROGEN(time=365, siglev=46, node=48451);
      :unit = "mmol N m-3";
      :long_name = "Concentration";
      :grid = "fvcom_grid";
      :type = "data";

    float siglev(siglev=46, node=48451);
      :long_name = "Sigma Levels";
      :standard_name = "ocean_sigma/general_coordinate";
      :positive = "up";
      :valid_min = "-1";
      :valid_max = "0";
      :formula_terms = "siglev:siglev eta:zeta depth:depth";

    float time(time=365);
      :long_name = "Time";
      :units = "seconds after 00:00:00";
      :calendar = "none";

  // global attributes:
  :title = "FRESH                                                                           ";
  :institution = "School for Marine Science and Technology";
  :source = "FVCOM_GEM_1.0";
  :history = "Mon May 25 14:43:38 2020: ncks -v CHL,NITROGEN gom_00001.nc 3D_CHL_DIN_1978.nc\nmodel started at: 26/04/2020   12:22";
  :references = "http://fvcom.smast.umassd.edu";
  :Conventions = "CF-1.0";
  :NCO = "netCDF Operators version 4.7.4 (http://nco.sf.net)";
}