Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 10, issue 4
Articles | Volume 10, issue 4
https://doi.org/10.5194/esurf-10-817-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-10-817-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 10, issue 4
Research article
 | 
03 Aug 2022
Research article |  | 03 Aug 2022

Probabilistic description of bedload fluxes from the aggregate dynamics of individual grains

J. Kevin Pierce, Marwan A. Hassan, and Rui M. L. Ferreira

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Short summary
We describe the flow of sediment in river channels by replacing the complicated details of the turbulent water with probability arguments. Our major conclusions are that (1) sediment transport can be phrased in terms of the movements of individual sediment grains, (2) transport rates in river channels are inherently uncertain, and (3) sediment transport in rivers is directly analogous to a number of phenomena which we understand relatively well, such as molecules moving in air.
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