GRIB-API definition
| Name | Volumetric soil moisture | Abbreviation | vsw | Unit | m3 m-3 | paramId: | TBD |
UERRA details
| Definition | Volumetric soil moisture of a soil layer. |
| Validity | instantaneous |
| Comment | Averaged volumetric soil moisture between given levels. |
WMO GRIB2 definition
| Parameter | ||
|---|---|---|
| Discipline | 2 | land surface products |
| Parameter category | 0 | vegetation/biomass |
| Parameter number | 25 | volumetric soil moisture |
| Level (all but Meteo-France) | ||
|---|---|---|
| Type of first fixed surface | soil layer | |
| Scale factor of first fixed surface | 0 | |
| Scaled value of first fixed surface | soil layer number | |
| 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 |
| Level (Meteo-France only) | ||
|---|---|---|
| Type of first fixed surface | 1 | depth below land surface (m) |
| Scale factor of first fixed surface | 0 | |
| Scaled value of first fixed surface | 0 | |
| Type of second fixed surface | 106 or 167*** | "depth below land surface (m)" or "bottom of root zone"*** |
| Scale factor of second fixed surface | 1 or all bits to 1*** | (cm) or missing*** |
| Scaled value of second fixed surface | value in cm or all bits to 1*** | 1 or missing*** |
*** valid for the 3rd Meteo-France layer (from surface to the bottom of root zone)