Articles | Volume 6, issue 2
https://doi.org/10.5194/esurf-6-389-2018
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, Olivier Devauchelle, and François James

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Latest update: 18 May 2024
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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.