Articles | Volume 6, issue 4
Earth Surf. Dynam., 6, 883–901, 2018
https://doi.org/10.5194/esurf-6-883-2018
Earth Surf. Dynam., 6, 883–901, 2018
https://doi.org/10.5194/esurf-6-883-2018
Research article
09 Oct 2018
Research article | 09 Oct 2018

Morphological effects of vegetation on the tidal–fluvial transition in Holocene estuaries

Ivar R. Lokhorst et al.

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Cited articles

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Bouma, T., Vries, M. D., Low, E., Kusters, L., Herman, P., Tanczos, I., Temmerman, S., Hesselink, A., Meire, P., and Van Regenmortel, S.: Flow hydrodynamics on a mudflat and in salt marsh vegetation: identifying general relationships for habitat characterisations, Hydrobiologia, 540, 259–274, 2005. a
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In estuaries, mud sedimentation enhances salt marsh accretion. Here we explore system-scale effects of plants and mud on planform shape and size of estuaries. We coupled Delft3D for hydromorphodynamics with our vegetation model and ran controls for comparison. Effects are greatest at the fluvial–tidal transition, where for the first time in a model, a bedload convergence zone formed. Regardless of local vegetation effects, mud and vegetation cause gradual filling of estuaries over time.