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| Development of a mud transport model for the Scheldt estuary van Kessel, T.; Vanlede, J.; de Kok, J. (2011). Development of a mud transport model for the Scheldt estuary. Cont. Shelf Res. 31(10, Suppl.): S165-S181. https://dx.doi.org/10.1016/j.csr.2010.12.006
In: Continental Shelf Research. Pergamon Press: Oxford; New York. ISSN 0278-4343; e-ISSN 1873-6955
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| Documenttype: Congresbijdrage | |
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| Abstract |
The hydrodynamic simulations on which the mud transport model is based show realistic values for water levels, salinities and residual currents in the major part of the model domain. However, the propagation of the tidal wave is modelled less accurately upstream of Antwerp. Regarding the mud transport simulations, which are based on simple process formulations, it is shown that a satisfactory agreement is obtained between computed and observed concentration levels and their spatial and temporal variations. SPM levels in the Scheldt appear to be rather sensitive to the volume of harbour siltation and dumping, notably near Antwerp. The sediment budget computed by the model includes an unrealistically high residual sediment flux towards the North Sea. By enhancing the estuarine mud circulation, the modelled residual flux becomes smaller and agrees better with observation-based estimates. A longer hydrodynamic simulation period (presently up to 3 months) would help to analyse the sediment budget and seasonal dynamics in more detail. |
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