Geophysical fields are time invariant fields provided to GEM at the beginning of a simulation.
Geophysical Your geophysical fields should always match your model grid. They can be larger but should match every model grid point one-to-one.
Geophysical fields for GEM can get created with GenPhysX.
Geophysical fields are time invariant fields provided to GEM at the beginning of a simulation.
| Sommaire |
|---|
Dictionary of geophysical fields
...
| n | class | Z0 [m] |
|---|---|---|
| 1 | salt water, ocean | 0.001 |
| 2 | glacier | 0.0003 |
| 3 | inland lake | 0.001 |
| 4 | evergreen needle-leaf trees | 1.5 |
| 5 | evergreen broadleaf trees | 3.5 |
| 6 | deciduous needle-leaf trees | 1.0 |
| 7 | deciduous broadleaf trees | 2.0 |
| 8 | tropical broadleaf trees | 3.0 |
| 9 | drought deciduous trees | 0.8 |
| 10 | evergreen broadleaf shrubs | 0.05 |
| 11 | deciduous shrubs | 0.15 |
| 12 | thorn shrubs | 0.15 |
| 13 | short grass and forbs | 0.02 |
| 14 | long grass | 0.08 |
| 15 | crops | 0.08 |
| 16 | rice | 0.08 |
| 17 | sugar | 0.35 |
| 18 | maize | 0.25 |
| 19 | cotton | 0.1 |
| 20 | irrigated crops | 0.08 |
| 21 | urban | 1.35 |
| 22 | tundra | 0.01 |
| 23 | swamp | 0.05 |
| 24 | desert | 0.05 |
| 25 | mixed wood forests | 1.5 |
| 26 | mixed shrubs | 0.05 |
Creation of geophysical fields
Geophysical fields for GEM can get created with GenPhysX.
Processing of “vegetation” fields in GenPhysX -> GEM -> CLASS
Click on the following link to learn about the : Processing Processing of “vegetation” fields