CF-NETCDF.NC

Basic Information

File-Type

cf-netcdf.nc

File-Form

UNFORMATTED

Version

May 2012

Description-Date

March 2013

Significance of the File

• BAW instance of a NetCDF file.
• NetCDF conventions, used to store BAW specific data, are documented in detail in the NetCDF-Pages of BAW-Wiki.
• CF compliance verified using the NCAS CF Compliance Checker.
• Since May 2011 NetCDF-4/HDF5 is supported (see Unidata, NetCDF).

File-Contents (in Catchwords)

1. header with metadata:
   1. list of dimensions (name and length),
   2. list of variables (name, type and dimension(s)) for which data are stored in the file,
   3. attributes related to variables (long_name, units etc.), and
   4. global attributes (title, history etc.).

   Remark: the names of attributes as well as standard variable names should be chosen according to the following given conventions:

   • NetCDF Climate and Forecast (CF) Metadata Convention, and
   • CF Standard Name Table.

2. data for all variables stored in the file:
   1. coordinate-variable data,
   2. data for ordinary variables, for which only one data record is stored in the file, and finally
   3. data for record-variables (which have one unlimited dimension, e.g. time), which can be stored several times.

Programs using this Type of File

ArcGIS, DATACONVERT, GRIDCONVERT, UNTRIM2, UNTRIM2007

Example-File

$PROGHOME/examples/lib/l_grid/lg.all_CF-NetCDF_Info.nc
$PROGHOME/examples/lib/h_grid/g05-Content.CF-NetCDF.nc
$PROGHOME/examples/lib/h_grid/UNTRIM-Content.CF-NetCDF.nc
$PROGHOME/examples/lib/h_grid/UTRSUB-Content.CF-NetCDF.nc
$PROGHOME/examples/lib/p_grid/profil05-Content.CF-NetCDF.nc $PROGHOME/examples/lib/io_insel/insel.netcdf-cf.nc

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