Modeling the morphological response of a barrier island to Hurricane Matthew

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Surge and wave forcing from Hurricane Matthew caused a breach south of Matanzas Inlet (FL, USA) on a complex barrier island, including sandy dunes, hard structures (residential buildings and a highway), wetlands, and the US Intracoastal Waterway. In this paper, the skill of the XBeach model to predict hurricane-induced barrier island overwash, dune erosion, and breaching is demonstrated. The location of the breach is predicted correctly if bottom roughness based on land cover is used to calculate bed shear stresses. While the dunes are initially lowered by wave attack and surge from the ocean side, the main driver for breach formation is the water level difference between the back-barrier and nearshore, causing an ocean-directed outflow of water after the peak of the storm.

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Publication type Conference Paper
Publication Subtype Conference Paper
Title Modeling the morphological response of a barrier island to Hurricane Matthew
DOI 10.1142/9789811204487_0012
Year Published 2020
Language English
Publisher World Scientific
Contributing office(s) Woods Hole Coastal and Marine Science Center
Description 11 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Coastal sediments 2019: Proceedings of the 9th international conference
First page 128
Last page 138
Conference Title International Conference on Coastal Sediments 2019
Conference Location Tampa/St. Petersburg, FL
Conference Date May 27-31, 2019
Country United States
State Florida
Other Geospatial Matanzas Inlet
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