Articles | Volume 11, issue 6
https://doi.org/10.5194/esurf-11-1199-2023
https://doi.org/10.5194/esurf-11-1199-2023
Research article
 | 
21 Nov 2023
Research article |  | 21 Nov 2023

Numerical modelling of the evolution of a river reach with a complex morphology to help define future sustainable restoration decisions

Rabab Yassine, Ludovic Cassan, Hélène Roux, Olivier Frysou, and François Pérès

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Short summary
Predicting river morphology evolution is very complicated, especially for mountain rivers with complex morphologies such as the Lac des Gaves reach in France. A 2D hydromorphological model was developed to reproduce the channel's evolution and provide reliable volumetric predictions while revealing the challenge of choosing adapted sediment transport and friction laws. Our model can provide decision-makers with reliable predictions to design suitable restoration measures for this reach.