Articles | Volume 9, issue 5
Earth Surf. Dynam., 9, 1223–1237, 2021
https://doi.org/10.5194/esurf-9-1223-2021
Earth Surf. Dynam., 9, 1223–1237, 2021
https://doi.org/10.5194/esurf-9-1223-2021

Research article 13 Sep 2021

Research article | 13 Sep 2021

The relative influence of dune aspect ratio and beach width on dune erosion as a function of storm duration and surge level

Michael Itzkin et al.

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Revised manuscript under review for NHESS
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Cited articles

Anthony, E. J., Vanhee, S., and Ruz, M. H.: An assessment of the impact of experimental brushwood fences on foredune sand accumulation based on digital elelvation models, Ecol. Eng., 31, 41–46, https://doi.org/10.1016/j.ecoleng.2007.05.005, 2007. 
Biel, R. G., Hacker, S. D., Ruggiero, P., Cohn, N., and Seabloom, E. W.: Coastal protection and conservation on sandy beaches and dunes: Context-dependent tradeoffs in ecosystem service supply, Ecosphere, 8, 1–19, https://doi.org/10.1002/ecs2.1791, 2017. 
Biel, R. G., Hacker, S. D., and Ruggiero, P.: Elucidating coastal foredune ecomorphodynamics in the US Pacific Northwest via Bayesian networks, J. Geophys. Res.-Earth, 124, 1919–1938, https://doi.org/10.1029/2018JF004758, 2019. 
Bossard, V. and Nicolae Lerma, A.: Geomorphologic characteristics and evolution of managed dunes on the South West Coast of France, Geomorphology, 367, 107312, https://doi.org/10.1016/j.geomorph.2020.107312, 2020. 
Brodie, K., Conery, I., Cohn, N., Spore, N., and Palmsten, M.: Spatial Variability of Coastal Foredune Evolution, Part A: Timescales of Months to Years, J. Mar. Sci. Eng., 7, 1–28, https://doi.org/10.3390/jmse7050124, 2019. 
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Studies of the impact of storms on dunes typically focus on the importance of dune elevation, here we analyze the protective services offered by the dune height and width, the morphology of the beach fronting the dune, and artificial dune construction via the use of sand fences. We find that dune volume loss most strongly correlates to beach width rather than dune shape, although when beach width is controlled for low and wide dunes offer greater protection than tall and narrow dunes.