Articles | Volume 6, issue 2
Earth Surf. Dynam., 6, 389–399, 2018
https://doi.org/10.5194/esurf-6-389-2018
Earth Surf. Dynam., 6, 389–399, 2018
https://doi.org/10.5194/esurf-6-389-2018

Research article 15 May 2018

Research article | 15 May 2018

Advection and dispersion of bed load tracers

Eric Lajeunesse et al.

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AR by Anna Mirena Feist-Polner on behalf of the Authors (07 Mar 2018)  Author's response
ED: Publish as is (26 Mar 2018) by Patricia Wiberg
ED: Publish as is (16 Apr 2018) by Tom Coulthard(Editor)
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Short summary
Tracking the position of tracer particles entrained in a river is a popular method to investigate sediment transport. Using numerical simulations, we study the propagation of these tracers and find a transition between two regimes: an early regime in which the tracers are progressively set into motion and a late regime in which the tracers spread linearly. We derive analytical expressions for the behavior of the tracers in each regime. These expressions might help to interpret field data.