Dune erosion tests to study the influence of wave periods
Marcel Van Gent (WL Delft Hydraulics)
E. Martijn Coeveld (WL Delft Hydraulics)
D.J.R. Walstra (TU Delft - Coastal Engineering, WL Delft Hydraulics)
Jan van de Graaff (TU Delft - Coastal Engineering)
H.J. Steetzel (Alkyon Hydraulic Consultancy and Research)
M Boers (Rijkswaterstaat)
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Abstract
The aim of the study was to quantify the effects of the wave period on dune erosion. Attention was focussed on 2D cross-shore effects in a situation with sandy dunes and extreme wave conditions. Large-scale physical model tests were set up to provide the necessary data for the study on a scale as close to prototype as possible. It was concluded that a longer wave period leads to a larger dune erosion volume and to a larger landward retreat of the dune face.