Home > User’s guide > 4. The physiographic fields > 4.1. Choice of the surface schemes

4.1. Choice of the surface schemes

Latest update : 29 January 2015.

You must first choose the surface schemes you will use. It is not possible, once chosen, to modify the surface schemes in the later steps (PREP, running of the schemes, DIAG).

Depending on the schemes you use, some additional physiographic fields will be computed if they are needed for the surface scheme chosen. For example, the ISBA scheme (used for vegetation and soil) needs the fractions of clay and sand.

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