1. Institute of Landscape Systems Analysis, ZALF e.V., Eberswalder Str. 84, 15374 Münchberg, Germany
2. CSIRO‐Land and Water, GPO‐Box 1666, Canberra ACT 2601, Australia
3. The Dahlem Working Group on Applied Hydrology and Resource Protection, Lentzeallee 76, Berlin University of Technology, 14195 Berlin, Germany