1. Postdoctoral Researcher, Laboratory of Hydraulics Hydrology and Glaciology (VAW), ETH Zurich, Zürich CH-8093, Switzerland (corresponding author). ORCID: .
2. Emeritus Professor, Laboratory of Hydraulics Hydrology and Glaciology (VAW), ETH Zurich, Zürich CH-8093, Switzerland.
3. Professor and Director, Laboratory of Hydraulics Hydrology and Glaciology (VAW), ETH Zurich, Zürich CH-8093, Switzerland.