Cycle 32r3 of the ECMWF forecast and analysis system includes a change in the soil hydrology which affects soil moisture. The land surface scheme has been improved by the introduction of a global distribution of soil type (based on the FAO soil texture data set) and new soil drainage and runoff schemes.
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- Implications of the new soil hydrology scheme
- Computing the Soil Moisture Index
- Example MARS script for computing the Soil Moisture Index
- Test data sets from pre-operational e-suite
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For further information about mathematical computations in MARS please see the MARS User Guide.