netcdf emerge/shyfem_unstructured_adriatic.nc {
  dimensions:
    element = 78890;
    vertex = 3;
    node = 42309;
    level = 33;
    time = UNLIMITED;   // (24 currently)
  variables:
    int element_index(element=78890, vertex=3);
      :long_name = "element index of nodes";
      :units = "1";
      :description = "maps every element to its three vertices";

    float latitude(node=42309);
      :standard_name = "latitude";
      :units = "degrees_north";

    float level(level=33);
      :standard_name = "depth";
      :units = "m";
      :positive = "down";
      :axis = "Z";
      :description = "bottom of vertical layers";

    float longitude(node=42309);
      :standard_name = "longitude";
      :units = "degrees_east";

    float salinity(time=24, node=42309, level=33);
      :standard_name = "sea_water_salinity";
      :units = "1e-3";
      :_FillValue = -999.0f; // float
      :missing_value = -999.0f; // float

    float temperature(time=24, node=42309, level=33);
      :standard_name = "sea_water_temperature";
      :units = "degC";
      :_FillValue = -999.0f; // float
      :missing_value = -999.0f; // float

    double time(time=24);
      :standard_name = "time";
      :units = "seconds since 2014-01-01 00:00:00 UTC";
      :calendar = "standard";
      :axis = "T";

    float total_depth(node=42309);
      :standard_name = "sea_floor_depth_below_sea_surface";
      :units = "m";
      :description = "total depth at nodes";

    float u_velocity(time=24, node=42309, level=33);
      :standard_name = "eastward_sea_water_velocity";
      :units = "m s-1";
      :_FillValue = -999.0f; // float
      :missing_value = -999.0f; // float

    float v_velocity(time=24, node=42309, level=33);
      :standard_name = "northward_sea_water_velocity";
      :units = "m s-1";
      :_FillValue = -999.0f; // float
      :missing_value = -999.0f; // float

    float water_level(time=24, node=42309);
      :standard_name = "water_surface_height_above_reference_datum";
      :units = "m";
      :_FillValue = -999.0f; // float
      :missing_value = -999.0f; // float

  // global attributes:
  :CDI = "Climate Data Interface version ?? (http://mpimet.mpg.de/cdi)";
  :Conventions = "CF-1.4";
  :history = "Wed Apr 28 14:13:50 2021: ncks -C -x -v longitude_2,latitude_2,total_depth_2,element_index_2 all.nc new.nc\nWed Apr 28 14:11:29 2021: cdo merge shyfem_unstrct_ADRIA_20210408.hydro.nc shyfem_unstrct_ADRIA_20210408.ts.nc all.nc\ncreated on 2021-04-28 14:07:43 MET";
  :source = "Model data produced by SHYFEM at ISMAR-CNR";
  :institution = "ISMAR-CNR, Venice, Italy";
  :title = "tiresias_forecast_adriatic_sea + lags + po";
  :references = "Model info: http://www.ismar.cnr.it/shyfem";
  :contact = "email: georg.umgiesser@ismar.cnr.it";
  :comment = "Data restriction: for academic research use only";
  :CDO = "Climate Data Operators version 1.9.3 (http://mpimet.mpg.de/cdo)";
  :NCO = "netCDF Operators version 4.7.8 (Homepage = http://nco.sf.net, Code = http://github.com/nco/nco)";
}