GRIB-API definition
Name | Soil temperature | Abbreviation |
st228139
UERRA details
Definition | Temperature of a soil level (or layer for MetOffice). |
Validity | instantaneous |
Comment |
Averaged soil temperature between given levels.Sea points should be set as missing values (encoded as bitmap). Soil levels/layers must always start from 1 (0 is the surface by default which is not encoded) |
WMO GRIB2 definition
Parameter |
---|
Discipline | 2 | land surface products |
Parameter category |
0 | vegetation/biomass category3 | soil products |
Parameter number |
2Definition for soil levels 1...X:
Level |
---|
Type of first fixed surface |
106 | Depth below land surface (m)151 | soil level** |
Scale factor of first fixed surface |
20 | |
Scaled value of first fixed surface | 1/2/3/.../X | n for the nth soil level |
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 |
Definition for soil layers 1...X:
Level |
---|
Type of first fixed surface | 151 | soil level** |
Scale factor of first fixed surface | 0 | |
Scaled value of first fixed surface | 0/1/2/3/.../X-1 | n-1 for the nth soil layer |
value in cm | Depth of the top of the layer in cm |
Type of second fixed surface |
106 | Depth below land surface (m)151 | soil level* |
Scale factor of second fixed surface |
20 | |
Scaled value of second fixed surface |
value in cm | Depth of the bottom of the layer in cm1/2/3/.../X | n for the nth soil layer |
**newly approved level type (WMO release in May 2016)