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Detecting thermally driven cyclic deformation of an exfoliation sheet with lidar and radar

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Abstract

Rock falls from steep, exfoliating cliffs are common in many landscapes. Of the many mechanisms known to trigger rock falls, thermally driven deformation is among the least quantified, despite potentially being a prevalent trigger due to its occurrence at all times of year. Here we present the results of a field-based monitoring program using instrumentation, ground-based lidar, and ground-based radar to investigate the process of thermally driven deformation of an exfoliation sheet, and the ability of remote sensing tools to capture cyclic expansion and contraction patterns. Our results indicate that thermally driven exfoliation occurs on diurnal cycles and can be measured at the submillimeter to centimeter scale using high-resolution strain gauges, short-range (2 km) radar interfer-ometry.

Additional publication details

Publication type Conference Paper
Publication Subtype Conference Paper
Title Detecting thermally driven cyclic deformation of an exfoliation sheet with lidar and radar
Year Published 2014
Language English
Publisher 2014 Vertical Geology Conference, University of Lausanne
Contributing office(s) Geology, Minerals, Energy, and Geophysics Science Center
Description 5 p.
First page 179
Last page 183
Conference Title Vertical geology conference 2014
Conference Location Lausanne, Switzerland
Conference Date June 30- July 2, 2014
Online Only (Y/N) N
Additional Online Files (Y/N) N