Remote Detection of Rock Bridges via Infrared Thermography: Investigating the Stability of Exfoliation Sheets on El Capitan in Yosemite Valley (California, USA)

Antoine Guerin1, Brian D Collins2, Michel Jaboyedoff1, Marc-Henri Derron1, Greg M Stock3, Battista Matasci1, Martin Boesiger1, Caroline Lefeuvre4 and Yuri Podladchikov1, (1)University of Lausanne, Institute of Earth Sciences, Lausanne, Switzerland, (2)USGS Landslide Hazards Program, Menlo Park, CA, United States, (3)Yosemite National Park, El Portal, CA, United States, (4)University of Lausanne, Intitute of Earth Sciences, Lausanne, Switzerland