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Accuracy assessment of numerical morphological models based on reduced Saint-Venant equations

Barneveld, H.J., E. Mosselman, V. Chavarrías & A.J.F. Hoitink - 15/01/2024
Water Resources Research, Vol.60

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Challenges in the attribution of river flood events

Scussolini, P., L. N. Luu, S. Philip, W. R. Berghuijs, D. Eilander, J. C. J. H. Aerts, S. F. Kew, G. J. van Oldenborgh, W. H. J. Toonen, J. Volkholz and D. Coumou - 09/01/2024
WIREs Climate Change: e874

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Accuracy Assessment of Numerical Morphological Models Based on Reduced Saint-Venant Equations

H. J. Barneveld, E. Mosselman, V. Chavarrías, A. J. F. Hoitink - 18/12/2023 - Rivers2Morrow
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.

Subsite Publication

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The Effect of Sediment Transport Models on Simulating River Dune Dynamics

L. R. Lokin, J. J. Warmink, and S. J. M. H. Hulscher - 04/12/2023 - Rivers2Morrow

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The Effect of Sediment Transport Models on Simulating River Dune Dynamics

L. R. Lokin, J. J. Warmink, and S. J. M. H. Hulscher - 04/12/2023 - Rivers2Morrow

Subsite Publicatie

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Sensitivity of salt intrusion to estuary-scale changes: A systematic modelling study towards nature-based mitigation measures

Gijs G. Hendrickx, Wouter M. Kranenburg, José A.A. Antolínez, Ymkje Huismans, Stefan G.J. Aarninkhof, Peter M.J. Herman - 21/11/2023 - SALTISolutions

Subsite 3d modelling estuary nature based solutions salt intrusion sensitivity analysis

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Impacts of metal mining on river systems: a global assessment

Macklin, M. G., C. J. Thomas, A. Mudbhatkal, P. A. Brewer, K. A. Hudson-Edwards, J. Lewin, P. Scussolini, D. Eilander, A. Lechner, J. Owen, G. Bird, D. Kemp and K. R. Mangalaa - 15/11/2023
Science 381(6664): 1345-1350

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What even is a meandering river? A philosophy-enhanced synthesis of multilevel causes and systemic interactions contributing to river meandering

Kleinhans, M.G., McMahon, W.J. and Davies, N.S. - 15/11/2023
Geological Society, London, Special Publications, Volume 540

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Morphological Response of a Highly Engineered Estuary to Altering Channel Depth and Restoring Wetlands

Rutger W.A. Siemes, Trang Minh Duong, Pim W.J.M. Willemsen, Bas W. Borsje, Suzanne J.M.H. Hulscher - 11/11/2023 - SALTISolutions

Subsite channel deepening estuarine management morphology numerical modeling wetland restoration

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Implementation of a New Bank Erosion Model in Delft3D

Parsapour-Moghaddam, P., C.D. Rennie, J. Slaney, F. Platzek, H. Shirkhani, E. Jamieson, E. Mosselman & R. Measures - 28/07/2023
J. Hydraulic Engineering, ASCE, Vol.149, No.10

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