MODIS and Landsat TM scaling study on the evapotranspiration at mid-latitude

The sensible heat flux in a landscape at mid-latitude is calculated based on MODIS and Landsat TM satellite scenes. An aggregation model is used for the surface flux calculation. Satellite-based input maps from satellite on land cover type, leaf area index and radiant surface temperature are used. From in-situ meteorological observations, the local roughnesses of all land cover types are known and the values are assigned to the land cover map in order to obtain a local roughness maps. The sensible heat flux is compared to field observations. These observations are part of the CARBO-EUROFLUX project. A case from May 2001 is presented.