Tidally averaged sediment transport in a semi-enclosed tidal basin

Influence of tidal flats

Abstract (2017)

Authors

T. Boelen Universiteit Gent
T de Mulder Universiteit Gent
H.M. Schuttelaars Mathematical Physics - EEMCS
G. Schramkowski Flanders Hydraulics Research
Research Group
Mathematical Physics (EEMCS) (TU Delft)
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Published Date

2017

Language

English

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Delft Institute of Applied Mathematics

Research Group

Mathematical Physics

Abstract

The tidally averaged sediment transport is important for the stability of the tidal system, since this transport has to vanish in morphodynamic equilibrium. Hence net import (export) of sediment at the seaward boundary indicates that the basin’s bathymetry is still evolving in time. In the literature, analytical expressions have been derived to quantify the contribution of various tidal constituents to the tidally averaged sediment transport, such as in Van de Kreeke and Robaczewska (1993) or in the appendices of de Swart and Zimmerman (2009). In the present study, the tidal constituents will be calculated using a 2D-idealized model, developed by the authors, and the results of the analytically obtained transports will be compared to those obtained numerically.