Determination of warm, sensitive permafrost areas in near‐vertical rockwalls and evaluation of distributed models by electrical resistivity tomography

Magnin, Florence; Krautblatter, Michael; Deline, Philip; Ravanel, Ludovic; Malet, Emmanuel; Bevington, Alexandre

doi:10.1002/2014jf003351

Public

Determination of warm, sensitive permafrost areas in near‐vertical rockwalls and evaluation of distributed models by electrical resistivity tomography

Shared by NobleBlocks on Apr 11, 2015 • 12:00 AM UTC

Authors:

Florence Magnin

Michael Krautblatter

Philip Deline

Abstract

Abstract Alpine rockwalls with warm permafrost (near 0°C) are the most active rockfall detachment zones in the Mont Blanc massif (MBM, French Alps) with more than 380 recent events. Near‐vertical rockwall permafrost is spatially controlled by variations in rock fractures, snow cover, and microtopogr...

Subject

Permafrost

Electrical resistivity tomography

Geology

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