Cross-sectional stability of tidal inlets using a process-based model

Application of a process-based model to compute the equilibrium cross-sectional areas of the Frisian inlet

Master thesis (2018)

Authors

J.J. van den Berg Civil Engineering & Geosciences

Contributors

Zhengbing Wang (supervisor 2)
J. van de Kreeke (supervisor 1)
T.J. Zitman (supervisor 2)
Bram van Prooijen (supervisor 2)
Faculty
Civil Engineering & Geosciences
Copyright: © 2018 Jelle Jacobus van den Berg
Stability Numerical model Tidal inlet Equilibrium Unstable Process-based Cross-section Escoffier Stable Frisian inlet
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Published Date

17-12-2018

Language

English

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Faculty

Civil Engineering & Geosciences

Abstract

In this thesis the equilibrium cross-sectional areas of a tidal inlet are investigated. The most common used methods to study cross-sectional stability are the Escoffier method (Escoffier, 1940) and the Modified Escoffier method (Van de Kreeke, 2004). The Escoffier methods are mainly empirical and lack physical justification. Therefore, in this thesis a process-based model, as proposed by Hinwood et al. (2012), is used to show that in the long-term the inlet cross-sectional area approaches a stable equilibrium or closes. Additionally, the influence of higher harmonics on the equilibrium cross-sectional areas is studied. The stable equilibrium cross-sectional area of the Frisian inlet in the Dutch Wadden Sea is computed and the results are compared to earlier findings.