Land-sea mask

 

Name:land_sea_maskAbbreviation:lsmUnit:Proportion
DefinitionThe land-sea mask is a field that contains, for every grid point, the proportion of land in the grid box. The values are between 0 (sea) and 1 (land).
ValidityFixed
CommentArchived for control forecast and re-forecast, only once a day at 00Z

Please note the typo in the GRIB2 manual: 0=land and 1=sea. The ET-DRC agreed that this is a typo and the correct usage is: 1 indicates land and 0 indicates sea.
Parameter
Discipline= 2 Land surface products
Parameter Category= 0 Vegetation/biomass
Parameter Number= 0 Land cover (proportion)
Level
Type of first fixed surface= 1Ground or water surface
Scale factor of first fixed surface= all bits to 1Missing
Scaled value of first fixed surface= all bits to 1Missing
Type of second fixed surface= all bits to 1
Missing
Scale factor of second fixed surface= all bits to 1Missing
Scaled value of second fixed surface= all bits to 1Missing