Multi-method analysis of the destabilization of a mechanical lift tower located on a rock glacier in the French Alps

• Published in: Géomorphologie : relief, processus, environnement
• Main Authors: Duvillard, Pierre-Allain, Ravanel, Ludovic, Schoeneich, Philippe, Marcer, Marco, Piard, Jean-François
• Other Authors: Environnements, Dynamiques et Territoires de la Montagne (EDYTEM), Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS), Pacte, Laboratoire de sciences sociales (PACTE), Sciences Po Grenoble - Institut d'études politiques de Grenoble (IEPG)-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 )
• Format: Article in Journal/Newspaper
• Language: French
• Published: HAL CCSD 2019
• Subjects: rock glacier; Electrical Resitivity Tomography; French Alps; Ropeway transport systems; permafrost; subsidence; tomographie électrique résistive; Alpes françaises; glacier rocheux; Remontées mécaniques; [SDU.STU.GM]Sciences of the Universe [physics]/Earth Sciences/Geomorphology; [SPI.GCIV.IT]Engineering Sciences [physics]/Civil Engineering/Infrastructures de transport; [SPI.GCIV.RISQ]Engineering Sciences [physics]/Civil Engineering/Risques; Pylon; Ice
• Online Access: https://hal.archives-ouvertes.fr/hal-02350713; https://hal.archives-ouvertes.fr/hal-02350713/document; https://hal.archives-ouvertes.fr/hal-02350713/file/Duvillard-et-al_2019_G%C3%A9omorphologie2.pdf; https://doi.org/10.4000/geomorphologie.12945

International audience In the Val Thorens ski resort (Savoie, France), more than 79 infrastructure elements related to ropeway transport systems are located on permafrost. During the last decade, three of them (two top stations and a pylon located around 3,000 m a.s.l.) experienced destabilization w...