Historical Morphological development of the Eastern Scheldt tidal basin (the Netherlands)

Conference paper (2009)
Department
Hydraulic Engineering (CEG) (TU Delft)
Copyright: © 2009 World Scientific Publishing Company
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Published Date

10-09-2009

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Source:

Coastal Dynamics 2009, 6th International conference, Tokyo, Japan, September 7-11 2009, paper no. 85

Faculty

Civil Engineering and Geosciences

Department

Hydraulic Engineering

Abstract

The Eastern Scheldt tidal basin has changed drastically in the past five centuries under the influence of both human interventions as well as extreme events. In 1530 A.D. a storm-surge inundated large parts in the landward end of the basin, and in the following four centuries local inhabitants reclaimed about as much land as was inundated in that storm. To investigate the effects of these processes on basin morphology, several different simplified geometries of the basin are used in order to gain insight into the evolution of the tidal currents over the centuries. From this model it appears that the large-scale inundations cause the basin to scour to greater depth. This in turn causes the ebb-tidal delta to grow, and causes the disappearance of the tidal watershed between the Eastern Scheldt and the Grevelingen tidal basins. Land reclamations have not been able to turn these trends around.

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