1. Geological Inst., ETH Zürich; Sonneggstrasse 5 8092 Zürich Switzerland
2. Lab. of Hydraulics; Hydrology and Glaciology (VAW), ETH Zürich; Gloriastrasse 37/39 8092 Zürich Switzerland
3. Inst. of Geochemistry and Petrology, ETH Zürich; Clausiusstrasse 25 8092 Zürich Switzerland
4. Soil Sci.; WSL Swiss Federal Inst. for Forest, Snow and Landscape Res.; Zürcherstrasse 111 8903 Birmensdorf Switzerland
5. Inst. of Agric. Sci., ETH Zürich; Eschikon 33 8315 Lindau Switzerland
6. Inst. of Biogeochemistry and Pollutant Dynamics, ETH Zürich; Universitätstrasse 16 8092 Zürich Switzerland
7. WSL Swiss Federal Inst. for Forest, Snow, and Landscape Res.; Ecosystem Boundaries Res. Unit; Station 2 1015 Lausanne Switzerland
8. Lab. of Soil Biology; Inst. of Biology, Univ. of Neuchâtel; 2009 Neuchâtel Switzerland
9. Inst. of Integrative Biology, ETH Zürich; Universitätstrasse 16 8092 Zürich Switzerland
10. Lab. of Ion Beam Physics; ETH Zürich; Schafmattstrasse 20 CH-8093 Zürich Switzerland
11. Snow Hydrology, WSL Inst. for Snow and Avalanche Res; SLF Flüelastr. 11 7260 Davos Dorf Switzerland
12. Lab, des Systèmes écologiques; EPFL; Station 2 1015 Lausanne Switzerland
13. Inst. for Geotechnical Eng, ETH Zürich; Schafmattstr. 6 8092 Zürich Switzerland
14. Mountain Hydrology and Torrents; WSL Swiss Federal Inst. for Forest, Snow and Landscape Res.; Zürcherstrasse 111 8903 Birmensdorf Switzerland