|Description||See Appendix D of the CF convention for information about dimensionless vertical coordinates. Note that the ocean sigma coordinate is not the same quantity as sea water sigma (excess of density over 1000 kg m-3), for which there are various other standard names.|
|AMIP code (Library of AMIP Data Transmission Standards)||not specified|
|GRIB code||not specified|
The parameter was taken from the NetCDF CF Metadata Convention.