1. Institute of Environmental Science and Geography University of Potsdam Potsdam Germany
2. Faculty of Geography Moscow State University Moscow Russia
3. Université de Toulouse CNRS LEGOS Toulouse France
4. Laboratory of Hydraulics, Hydrology and Glaciology (VAW) ETH Zürich Zürich Switzerland
5. Swiss Federal Institute for Forest, Snow and Landscape Research (WSL) Birmensdorf Switzerland
6. Institute of Geosciences University of Potsdam Potsdam Germany