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Ground penetrating radar survey and stratigraphic interpretation of the Plan du Lac rock glaciers, Vanoise Massif, northern French Alps

Abstract : Internal boundaries of the Plan du Lac rock glaciers in the northern French Alps were investigated using ground‐penetrating radar (GPR) and were correlated with the surface morphology. Data collected using 50 MHz antennae along three profiles were processed in a novel manner by applying modulated automatic gain control to discriminate reflection events according to coherence and continuity patterns. Based on the GPR and morphological analyses, the stratigraphy appears complex, with prominent internal boundaries dividing the features into several depositional units, interpreted as sequential creeping or thrusting events.
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https://hal-normandie-univ.archives-ouvertes.fr/hal-01740114
Contributor : Fayçal Rejiba <>
Submitted on : Wednesday, March 21, 2018 - 3:49:16 PM
Last modification on : Wednesday, October 14, 2020 - 3:43:48 AM

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Sébastien Monnier, Christian Camerlynck, Fayçal Rejiba. Ground penetrating radar survey and stratigraphic interpretation of the Plan du Lac rock glaciers, Vanoise Massif, northern French Alps. Permafrost and Periglacial Processes, Wiley, 2008, 19 (1), pp.19-30. ⟨10.1002/ppp.610⟩. ⟨hal-01740114⟩

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