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Open-File Report 20151238


Assessing the Impact of Hurricanes Irene and Sandy on the Morphology and Modern Sediment Thickness on the Inner Continental Shelf Offshore of Fire Island, New York


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Map showing multibeam acoustic backscatter collected offshore of Fire Island, New York in 2014 and transitions and distances between areas of high- and low-backscatter margins of commone seafloor features digitized from 2011 and 2014 backscatter data. A graph illustrates mean movement in meters of seafloor features between 2011 and 2014


Figure 4.
Maps showing A, acoustic backscatter data collected using the multibeam echosounder in 2014 (Denny and others, 2015) and B, transitions and distances between areas of high- and low-backscatter margins of common sea-floor features digitized from 2011 (Schwab, Denny, and Baldwin, 2014) and 2014 backscatter data. C, Graph illustrating the mean movement (in meters) of backscatter transitions within four depth intervals between 2011 and 2014. Vertical bars indicate one standard deviation of mean value.

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