Regime shifts in a D3D schematized Scheldt model: recent progress

Abstract (2017)

Authors

Y. Dijkstra Deltares
D.S. van Maren Deltares, Environmental Fluid Mechanics - CEG
J. Vroom Deltares
T van Kessel Deltares
J.C. Winterwerp Environmental Fluid Mechanics - CEG , Deltares
Research Group
Environmental Fluid Mechanics (CEG) (TU Delft)
Copyright: © 2017 M.A. De Lucas Pardo, Y. Dijkstra, D.S. van Maren, J Vroom, T van Kessel, J.C. Winterwerp
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Published Date

2017

Language

English

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Faculty

Civil Engineering & Geosciences

Department

Hydraulic Engineering

Research Group

Environmental Fluid Mechanics

Abstract

The Ems and Loire evolved into hyper-turbid estuaries in the course of the 20th
century. Winterwerp et al. (2013 a, b) argued that narrowing and deepening of these
rivers induced a regime shift towards these hyper-turbid conditions. This regime
shift was presumed to be driven by a positive feed-back between tidal
amplification, tidal asymmetry and sediment-induced drag reduction. As also the
Sea Scheldt was/is subject to narrowing and deepening, Winterwerp et al. reasoned
that also this river may be at risk to become hyper-turbid.