Articles | Volume 9, issue 6
Earth Surf. Dynam., 9, 1423–1439, 2021
https://doi.org/10.5194/esurf-9-1423-2021
Earth Surf. Dynam., 9, 1423–1439, 2021
https://doi.org/10.5194/esurf-9-1423-2021

Research article 04 Nov 2021

Research article | 04 Nov 2021

Triggering and propagation of exogenous sediment pulses in mountain channels: insights from flume experiments with seismic monitoring

Marco Piantini et al.

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Latest update: 18 Jan 2022
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Short summary
We carry out laboratory experiments to investigate the formation and propagation dynamics of exogenous sediment pulses in mountain rivers. We show that the ability of a self-formed deposit to destabilize and generate sediment pulses depends on the sand content of the mixture, while each pulse turns out to be formed by a front, a body, and a tail. Seismic measurements reveal a complex and non-unique dependency between seismic power and sediment pulse transport characteristics.