Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 25, issue 9
Articles | Volume 25, issue 9
https://doi.org/10.5194/nhess-25-3125-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-25-3125-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 25, issue 9
Research article
 | 
08 Sep 2025
Research article |  | 08 Sep 2025

Impacts of barrier-island breaching on mainland flooding during storm events applied to Moriches, New York

Catherine R. Jeffries, Robert Weiss, Jennifer L. Irish, and Kyle Mandli

Cited articles

Bates, P. D., Quinn, N., Sampson, C., Smith, A., Wing, O., Sosa, J., Savage, J., Olcese, G., Neal, J., Schumann, G., Giustarini, L., Coxon, G., Porter, J. R., Amodeo, M. F., Chu, Z., Lewis-Gruss, S., Freeman, N. B., Houser, T., Delgado, M., Hamidi, A., Bolliger, I., E. McCusker, K., Emanuel, K., Ferreira, C. M., Khalid, A., Haigh, I. D., Couasnon, A., E. Kopp, R., Hsiang, S., and Krajewski, W. F.: Combined modeling of US fluvial, pluvial, and coastal flood hazard under current and future climates, Water Resour. Res., 57, e2020WR028673, https://doi.org/10.1029/2020WR028673, 2021. a
Berger, M. J., George, D. L., LeVeque, R. J., and Mandli, K. T.: The GeoClaw software for depth-averaged flows with adaptive refinement, Adv. Water Resour., 34, 1195–1206, 2011. a, b
Brooks, C. F.: Hurricanes into New England: meteorology of the storm of September 21, 1938, Geogr. Rev., 29, 119–127, 1939. a
Buynevich, I. and Donnelly, J.: Geological signatures of barrier breaching and overwash, southern Massachusetts, USA, J. Coast. Res., http://www.jstor.org/stable/25741544 (last access: 28 August 2025), 112–116, 2006. a, b, c
Cañizares, R. and Irish, J. L.: Simulation of storm-induced barrier island morphodynamics and flooding, Coast. Eng., 55, 1089–1101, 2008. a, b, c, d
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Short summary
Barrier islands are important to their adjacent mainland coastline. Breaching of barrier islands creates a channel of water between the ocean and bay and increases the storm surge along the mainland coast. To examine how breaching impacts the coast, we simulated a hurricane and varied the number, locations, and sizes of different breaches. We learned that the total breach area directly impacts coastal flooding and that breach locations are an important predictor of flooding.
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