1. Department of Land, Environment, Agriculture and Forestry; University of Padova; Padova Italy
2. LTHE; Université de Grenoble 1/CNRS; 38041 Grenoble France
3. LTHE; Université de Grenoble 2/G-INP; 38041 Grenoble France
4. Department of Geosciences; University of Oslo; Po box 1047 0316 Oslo Norway
5. Norwegian Water Resources and Energy Directorate; Po box5091 Majorstuen 0301 Oslo Norway
6. UR HBAN, Hydrology Group; IRSTEA; Antony France
7. UR HHLY Hydrology-Hydraulics; IRSTEA; 69626 Villeurbanne France
8. Energy Research; SINTEF; PO 4761 Sluppen 7465 Trondheim Norway