Figure2_Lab_experiment_simulation.png

Figure 2: Results of our numerical reproduction of the physical experiment of Tal and Paola (2010): shaded-relief topography with overlain flow depth (blue scale) and vegetation density (green scale). a) Initial condition: a straight channel dug in a bare sand plain. b) Development of a braiding network under high flow conditions. c) Transition to meandering after 11 vegetation cycles (each one featuring a three-day vegetation growth phase at low flow followed by a one-hour high-flow phase).

 

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