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Investigating drivers of the ecological functioning of the Common Meuse
Developing a Model to Study the Climate Change Impact on River Bifurcations in Engineered Rivers
Accuracy of Numerical Morphological Models based on Simplified Hydrodynamics
A Field Study on Groyne Field Nourishments
Asymmetric mixing as a driver of residual sediment transport in an estuarine channel
Exploring the mechanisms that govern the spatial and temporal trends of suspended sediment in the Rhine basin
The morphodynamics of multiscale dunes in the Waal River
Mitigation of Channel Bed Erosion through Floodplain Lowering and Nourishments
A Sediment Budget for the Dutch part of the Muese River
Accuracy Assessment of Numerical Morphological Models Based on Reduced Saint-Venant Equations
In this paper we investigate under which conditions numerical morphological models can be simplified to speed up simulations, and still provide accurate predictions of riverbed dynamics. We show that popular simplified models based on the quasi-steady approach are highly accurate for Froude numbers up to 0.7, probably even for long river reaches with large flood wave damping. We provide diagrams (see example below) for assessing the accuracy of simplified models (quasi-steady and diffusive wave) for various combinations of Froude number, sediment transport and dimensions of riverbed waves.
18/12/2023 by Hermjan Barneveld et al.
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