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ESurf | Articles | Volume 6, issue 4
Earth Surf. Dynam., 6, 1041–1057, 2018
https://doi.org/10.5194/esurf-6-1041-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Earth Surf. Dynam., 6, 1041–1057, 2018
https://doi.org/10.5194/esurf-6-1041-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 14 Nov 2018

Research article | 14 Nov 2018

Fluvial response to changes in the magnitude and frequency of sediment supply in a 1-D model

Tobias Müller and Marwan A. Hassan

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Cited articles

Ahnert, F.: Equilibrium, scale and inheritance in geomorphology, Geomorphology, 11, 125–140, https://doi.org/10.1016/0169-555x(94)90077-9, 1994. a
An, C., Cui, Y., Fu, X., and Parker, G.: Gravel-bed river evolution in earthquake-prone regions subject to cycled hydrographs and repeated sediment pulses, Earth Surf. Proc. Land., 42, 2426–2438, https://doi.org/10.1002/esp.4195, 2017a. a, b, c
An, C., Fu, X., Wang, G., and Parker, G.: Effect of grain sorting on gravel bed river evolution subject to cycled hydrographs: Bed load sheets and breakdown of the hydrograph boundary layer, J. Geophys. Res.-Earth, 122, 1513–1533, https://doi.org/10.1002/2016jf003994, 2017b. a
Benda, L.: The influence of debris flows on channels and valley floors in the Oregon Coast Range, USA, Earth Surf. Proc. Land., 15, 457–466, https://doi.org/10.1002/esp.3290150508, 1990. a
Benda, L. and Dunne, T.: Stochastic forcing of sediment supply to channel networks from landsliding and debris flow, Water Resour. Res., 33, 2849–2863, https://doi.org/10.1029/97WR02388, 1997a. a
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We used a numerical model to study how mountain streams adjust to series of sediment input events, e.g., landslides. We recreated flume experiments with similar scope and then expanded their parameter space, allowing us to find conditions under which the stream becomes overloaded with sediment. This occurs when the stream cannot evacuate a sediment input in the time between pulses. Our results can help to better understand the long-term adjustment of mountain streams to episodic sediment supply.
We used a numerical model to study how mountain streams adjust to series of sediment input...
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