High morphogenic activity in the permafrost-affected rock walls of the Mont Blanc massif during the 2015 summer heat wave

• Main Authors: Ravanel, Ludovic, Magnin, Florence, Deline, Philip
• Other Authors: Environnements, Dynamiques et Territoires de Montagne (EDYTEM), Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS), European Geosciences Union
• Format: Conference Object
• Language: English
• Published: HAL CCSD 2016
• Subjects: [SDE]Environmental Sciences; Mont Blanc; permafrost
• Online Access: https://sde.hal.science/hal-01781294

International audience In order to test the geomorphological hypothesis on the link between permafrost degradation and rock wall destabilisation, we survey all the rockfalls that occur in the central part of the Mont-Blanc massif using a network of observers since 2007. 511 rockfalls (100 < V <...