Quantifying the geomorphic resiliency of barrier island beaches

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Abstract

Hurricane Sandy had an extensive impact on the beaches along the Atlantic coast. To quantify beach recovery, and examine alongshore variations in coastal resiliency, we develop a morphometric within the upper portion of the beach that is based on observed historical storm response at Fire Island, NY. The beach change envelope (BCE) boundaries are elevation contours which capture the portion of the upper beach that experiences erosion during moderate events but is above the influence of tides and lesser events. The data include ten profile sites that were surveyed seventeen times from October 2012 to October 2014. The time series indicate that there is a temporal trend towards widening and increasing elevation of the BCE that may represent a recovery state of the beach. Rates of recovery are generally higher in undeveloped locations, and areas where dunes did not overwash tend to favor more rapid recovery of the upper beach.

Study Area

Publication type Conference Paper
Publication Subtype Conference Paper
Title Quantifying the geomorphic resiliency of barrier island beaches
DOI 10.1142/9789814689977_0249
Year Published 2015
Language English
Contributing office(s) St. Petersburg Coastal and Marine Science Center
Description 11 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title The proceedings of the coastal sediments 2015
Conference Title Coastal Sediments 2015
Conference Location San Diego, California
Conference Date May 11-15, 2015
Country United States
State New York
Other Geospatial Fire Island
Online Only (Y/N) N
Additional Online Files (Y/N) N
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