Physiography (current status)
| Component | ALADIN | COSMO | HIRLAM | UM/JULES | ECMWF |
|---|---|---|---|---|---|
| Orography | GTOPO30 at 30’’ resolution | GLOBE database NOAA/NGDC resolution 30’’ | Global 1km data GTOPO30 | GLOBE 30’’ | GTOTPO30 Turbulent orography form drag |
| Soil types | FAO at 10 km resolution : fraction of sand and clay | FAO Digital Soil Map of the World at resolution 10 km | FAO soil database, reduced to 3 classes | WHS (UKPP used IGBP) | FAO data at 5’ by 5’ interpolated at the operational model resolution |
| Soil depths | ECOCLIMAP database at 1km resolution Lookup table with ecotypes | Constant depths (2.5 m for w and 14.58 m for T) | Lookup tables with ecotypes | Constant depth of 3 m | Constant depth at 2.89 m |
| Land covers | ECOCLIMAP resolution 1 km 255 ecotypes derived from NDVI classification and a set of 12 pure ecotypes. Lookup tables between pure ecotypes and "flux conserving" averages for mixed ecotypes | GLC2000 and GLOBCOVER 2009; lookup tables between land use categories and model parameters | Global 1km data GLCC and CORINE (HIRLAM) ECOCLIMAP (HARMONIE) | IGBP 1km dataset ITE 25m dataset in UK model |
Global Land Cover Characterization Data Base (GLCC) at 1km resolution (based on AVHRR) with the BATS classification and LAI climatology from MODIS |
| Lake properties | ECOCLIMAP database at 1km resolution | Land use dataset +GLDB for lake depth | GLDB (HIRLAM) and ECOCLIMAP (HARMONIE) | Inland water bodies (GLCC) | |
| Glacier properties | ECOCLIMAP database at 1km resolution | FAO dataset and consistency checks | GLCC (HIRLAM) and ECOCLIMAP (HARMONIE) | Land use dataset | GLCC |
| Land sea mask | Fractional from ECOCLIMAP database resolution 250 m over Europe (CORINE) and 1km elsewhere | Land use dataset | From land cover data (GLCC+CORINE) (HIRLAM) and ECOCLIMAP (HARMONIE) | Inferred from IGBP 1km land cover dataset | GLCC and GTOP30 (at 30’’ resolution) |
| Deep soil climatologies | None | T2m climatology from CRU of University of East Anglia | Derived from T2m climatology (?) | None |