Dear Glenn > can someone explain what the distinction between standard > names "land_area_fraction" and "land_binary_mask" is. I have a dataset > with a GRIB-1 variable value of 81 which would imply a standard_name of > "land_area_fraction", but the variable is named "Land_cover_land1sea0" > and only has values "1.0" and "0.0" and standard name"land_binary_mask" > would seem more appropriate - which has a GRIB variable value listed as > E172.
In some models, and maybe observational datasets, a land gridbox is one which has *some* land area. Land gridboxes without complete land cover are also sea gridboxes. In such a dataset, the land_binary_mask indicates that land_area_fraction>0. Cheers Jonathan _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
