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| Name | land sea mask | Abbreviation | lsm | Unit | 0-1 |
| Definition | The 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). |
| Validity | Fixed |
| Comment | 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. |
GRIB2 definition
| Parameter |
|---|
| Discipline | 2 | land surface products |
| Parameter Category | 0 | vegetation/biomass |
| Parameter Number | 0 | land cover (proportion) |
| Level |
|---|
| Type of first fixed surface | = 1 | ground or water surface |
| Scale factor of first fixed surface | all bits to 1 | missing |
| Scaled value of first fixed surface | all bits to 1 | missing |
| Type of second fixed surface | all bits to 1
| missing |
| Scale factor of second fixed surface | all bits to 1 | missing |
| Scaled value of second fixed surface | all bits to 1 | missing |