Daily to decadal variability of beach morphology at NASA-Kennedy Space Center: Storm influences across timescales

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Abstract

Shoreline variability over timescales ranging from days to decades is examined at NASA-Kennedy Space Center on the Atlantic coast of Florida. Three sources of shoreline position data are utilized to complete this analysis: hourly video-image observations, monthly Real Time Kinematic GPS observations, and historical aerial imagery dating back to 1943. We find that shoreline positions tend to respond coherently to monthly variations in wave energy, except during storm-driven shoreline change. A seasonal signal in shoreline behavior is also evident, however this signal becomes indiscernible after a rapid change in morphologic behavior following Hurricane Sandy’s impact in October 2012. Further, the spatial pattern of shoreline change following Sandy’s impact mimics decadal-scale trends, suggesting that response to large storms may be controlling decadal shoreline change behavior at this site.

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Publication type Conference Paper
Publication Subtype Conference Paper
Title Daily to decadal variability of beach morphology at NASA-Kennedy Space Center: Storm influences across timescales
DOI 10.1142/9789811204487_0194
Year Published 2019
Language English
Publisher World Scientific
Contributing office(s) St. Petersburg Coastal and Marine Science Center
Description 14 p.
Larger Work Type Book
Larger Work Subtype Conference publication
Larger Work Title Coastal sediments 2019
First page 2268
Last page 2281
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 Atlantic Coast
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