Articles | Volume 8, issue 2
Research article
08 May 2020
Research article |  | 08 May 2020

Storm-induced sediment supply to coastal dunes on sand flats

Filipe Galiforni-Silva, Kathelijne M. Wijnberg, and Suzanne J. M. H. Hulscher

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Cited articles

Aagaard, T.: Sediment supply to beaches: Cross-shore sand transport on the lower shoreface, J. Geophys. Res.-Earth, 119, 913–926, 2014. a, b
Aagaard, T., Nielsen, J., Jensen, S. G., and Friderichsen, J.: Longshore sediment transport and coastal erosion at Skallingen, Denmark, Geografisk Tidsskrift-Dan. J. Geogr., 104, 5–14,, 2004. a, b, c, d
Anthony, E. J.: Storms, shoreface morphodynamics, sand supply, and the accretion and erosion of coastal dune barriers in the southern North Sea, Geomorphology, 199, 8–21,, 2013. a, b
Anthony, E. J., Vanhee, S., and Ruz, M. H.: Short-term beach-dune sand budgets on the north sea coast of France: Sand supply from shoreface to dunes, and the role of wind and fetch, Geomorphology, 81, 316–329,, 2006. a, b, c
Bauer, B. O. and Davidson-Arnott, R. G. D.: A general framework for modeling sediment supply to coastal dunes including wind angle, beach geometry, and fetch effects, Geomorphology, 49, 89–108,, 2002. a
Short summary
Storm surges are often related to coastal dune erosion. We found that, for specific coastal settings, storm surges may enhance dune growth rather than only undermine it. Using a computer model and elevation data, we noticed that storm surges could deposit sand onto the sand flat from sand previously deposited closer to the sea. As they move to areas farther from the sea, it becomes easier for the wind to move this sand to the dunes. These findings may help coastal managers and policymakers.