Component | ALADIN | COSMO | HIRLAM | UM/JULES | ECMWF |
---|---|---|---|---|---|
Orography | GTOPO030 database resolution 30†| None | None | None at present, possibly SRTM in future | None |
Soil types | FAO database resolution 10 km : fraction of sand and clay | Harmonized World Soil Database (HWSD) | None | HWSD + STATGO + observations | None |
Soil depths | ECOCLIMAP database resolution 1km. Lookuptable with ecotypes | HWSD | None | HWSD | None |
Land covers | ECOCLIMAP resolution 1km. 255 ecotypes derived from NDVI classification and a set of 12 pure “ecoptypes†. Lookup tables for pure ecotypes and “flux conserving†averages for mixed ecotypes | NDVI climatology, NASA/GSFC based on monthly mean data from SeaWiFS resolution 2.5’ | None | None at present. Possibly POSTEL in future | Seasonal cycle of LAI based on ECOCLIMAP or MODIS |
Lake properties | ECOCLIMAP database resolution 1km + specific lake database (location + depth) | Specific lake database (location + depth) from DWD for FLake | None | None | None |
Land-sea mask | Fractional from ECOCLIMAP database resolution : 250 m over Europe (CORINE) resolution 1km elsewhere | None | None | None | None |