Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 4, issue 2
Articles | Volume 4, issue 2
https://doi.org/10.5194/esurf-4-327-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/esurf-4-327-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 4, issue 2
Research article
 | 
20 Apr 2016
Research article |  | 20 Apr 2016

Bedrock incision by bedload: insights from direct numerical simulations

Guilhem Aubert, Vincent J. Langlois, and Pascal Allemand

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Short summary
We performed the first direct numerical simulations of the process by which the pebbles transported by a river repeatedly impact its bedrock and consequently contribute to its erosion. Our results are consistent with existing experimental measurements and allow us to predict the incision rate of a river as a function of its water discharge, the amount of sediment available, and the roughness of the bedrock, which is essential to study the long-term evolution of mountain ranges.
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