Articles | Volume 4, issue 2
https://doi.org/10.5194/esurf-4-489-2016
https://doi.org/10.5194/esurf-4-489-2016
Research article
 | 
28 Jun 2016
Research article |  | 28 Jun 2016

Headwater sediment dynamics in a debris flow catchment constrained by high-resolution topographic surveys

Alexandre Loye, Michel Jaboyedoff, Joshua Isaac Theule, and Frédéric Liébault

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Cited articles

Abellàn, A., Jaboyedoff, M., Oppikofer, T., and Vilaplana, J. M.: Detection of millimetric deformation using a terrestrial laser scanner: experiment and application to a rockfall event, Nat. Hazards Earth Syst. Sci., 9, 365–372, https://doi.org/10.5194/nhess-9-365-2009, 2009.
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Short summary
The sediment supply and storage changes from major channels of the Manival catchment (French Alps) were surveyed periodically for 16 months to study the coupling between sediment dynamics and torrent responses in terms of debris flow events. The spatial and seasonal variability of sediment delivery is displayed and analysed. This study shows that monitoring the changes within a torrent’s in-channel storage and its debris supply can improve knowledge on recharge thresholds leading to debris flow.
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