Affiliation: | 1. Centre for Remote Sensing and Earth Observation Processes, Flemish Institute for Technological Research (VITO), Boeretang 200, B-2400 Mol, Flanders, Belgium;2. Laboratory for Soil and Water Management, Katholieke Universiteit Leuven (K.U. Leuven), Celestijnenlaan 200E, B-3001 Heverlee, Flanders, Belgium |