Articles | Volume 5, issue 1
Earth Surf. Dynam., 5, 199–209, 2017
https://doi.org/10.5194/esurf-5-199-2017
Earth Surf. Dynam., 5, 199–209, 2017
https://doi.org/10.5194/esurf-5-199-2017
Research article
28 Mar 2017
Research article | 28 Mar 2017

A new CT scan methodology to characterize a small aggregation gravel clast contained in a soft sediment matrix

Laurent Fouinat et al.

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Latest update: 08 Aug 2022
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Short summary
This study focuses on the creation of a novel CT scan methodology at the crossroads between medical imagery and earth sciences. Using specific density signatures, pebbles and/or organic matter characterizing wet avalanche deposits can be quantified in lake sediments. Starting from AD 1880, we were able to identify eight periods of higher avalanche activity from sediment cores. The use of CT scans, alongside existing approaches, opens up new possibilities in a wide variety of geoscience studies.