Analyse multi-méthodes de la déstabilisation d’un pylône de remontée mécanique implanté sur un glacier rocheux des Alpes françaises

• Published in: Géomorphologie : relief, processus, environnement
• Main Authors: Duvillard, Pierre-Allain, Ravanel, Ludovic, Schoeneich, Philippe, Marcer, Marco, Piard, Jean-François
• Format: Article in Journal/Newspaper
• Language: French
• Published: Groupe français de géomorphologie 2019
• Subjects: Remontées mécaniques; permafrost; glacier rocheux; subsidence; tomographie électrique résistive; Alpes françaises; Ropeway transport systems; rock glacier; Electrical Resitivity Tomography; French Alps; Pylon; Ice
• Online Access: http://journals.openedition.org/geomorphologie/12945

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 which required important...