Earth Surface Dynamics
Earth Surface Dynamics
ESurf
Articles | Volume 14, issue 2
Articles | Volume 14, issue 2
https://doi.org/10.5194/esurf-14-269-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esurf-14-269-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 2
Research article
 | 
24 Mar 2026
Research article |  | 24 Mar 2026

Experimental study of time-averaged flow and turbulence over asymmetric tidal dunes

Kevin Bobiles, Bernhard Kondziella, Christina Carstensen, Elda Miramontes, Ingrid Holzwarth, and Alice Lefebvre

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Short summary
This study examines how the shape of tidal dunes influences flow and turbulence under reversing currents, simulating tidal conditions in a large flume. We show that dune slope properties significantly affect flow patterns, especially the presence and size of intermittent or permanent flow separation and turbulent wake. The results highlight the key role of dune morphology in shaping flow dynamics, with implications for sediment transport and coastal morphodynamics.
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