Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 11, issue 4
Articles | Volume 11, issue 4
https://doi.org/10.5194/esurf-11-575-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-11-575-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 11, issue 4
Research article
 | 
11 Jul 2023
Research article |  | 11 Jul 2023

The influence of dune lee side shape on time-averaged velocities and turbulence

Alice Lefebvre and Julia Cisneros

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Short summary
Underwater dunes are found in various environments with strong hydrodynamics and sandy sediment. Using a numerical model, we investigated how the dune shape influences flow velocity and turbulence. We propose a classification with three types of dunes, depending on their mean lee side angles (low-angle dunes, intermediate-angle dunes and high-angle dunes). We discuss the implications of this classification on the interaction between dune morphology, flow and sediment transport.
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