1. Université Clermont Auvergne CNRS, GEOLAB F‐63000 Clermont‐Ferrand France
2. Centre de Recherches sur les Ecosystèmes d'Altitude (CREA) Observatoire du Mont‐Blanc 74400 Chamonix France
3. Climate Change Impacts and Risks in the Anthropocene (C‐CIA) Institute for Environmental Sciences University of Geneva Geneva Switzerland
4. Department of Earth Sciences University of Geneva Geneva Switzerland
5. Department F.‐A. Forel for Environmental and Aquatic Sciences University of Geneva Geneva Switzerland