1. Department of Geosciences University of Fribourg Fribourg Switzerland
2. Laboratory for Environmental Chemistry Paul Scherrer Institute Villigen Switzerland
3. Institute of Geography and Oeschger Center for Climate Change Research University of Bern Bern Switzerland
4. School of Geography and Environmental Sciences Ulster University Coleraine UK
5. Department of Geosciences University of Oslo Oslo Norway
6. Laboratory of Hydraulics, Hydrology and Glaciology (VAW) ETH Zurich Zurich Switzerland
7. Snow and Landscape Research (WSL) Swiss Federal Institute for Forest Birmensdorf Switzerland
8. LEGOS CNRS University of Toulouse Toulouse France