Keywords
Nourishment planning
coastline undulation
latent dune erosion
coastline undulation
latent dune erosion
How to Cite
Madsen, H. T., Knudsen, S. B., & Soerensen, P. (2011). DETAILED PLANNING OF BEACH NOURISHMENT BASED ON MONITORING OF COASTLINE UNDULATIONS AND DUNE EROSION. Coastal Engineering Proceedings, 1(32), sediment.101. https://doi.org/10.9753/icce.v32.sediment.101
Abstract
The overall coastline management strategy for the central section of the Danish North Sea coast is to halt the process of coastal retreat and maintain a certain safety level against flooding. The sudden erosion of 10-25 m of a dune during a storm or a gale is thus a cause for concern. Such local dune erosion is often observed where an inward coastline undulation is situated off a section of the coast where the dune is not in equilibrium with the rest of the profile. During a storm this latent dune erosion is then released. By analysing the migration of coastline undulations and detecting the profiles with latent dune erosion the expectation is that the majority of large-scale dune erosion can be foreseen and avoided by adaptation of the nourishment programme.References
Knudsen, S. Bjerre, H. Toxvig Madsen, and P. Soerensen. 2007. Prediction of dune erosion through monitoring of coastline undulations, Proceedings of 30th International Conference on Coastal Engineering, ASCE, 2792-2804.
Laustrup, C., H. Toxvig Madsen, P. Soerensen, and I. Broeker. 1997. Comparison of beach and shoreface nourishment - Torsminde Tange, Denmark, Proceedings of 25th International Conference on Coastal Engineering, ASCE, 2927-2940.
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