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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 backscatter and bathymetry collected in 2011 and 2014 offshore of Fire Island, New York. Sharp transitions between areas of high and low backscatter identified alon ghte margins of discrete sediment distribution patterns, bedforms and sediment structures from the 2011 and 2014 surveys are overlain on the backscatter data from 2014 survey.


Figure 5.
Maps showing A, backscatter and B, bathymetry collected in 2011 (Schwab, Denny, and Baldwin, 2014) and 2014 (Denny and others, 2015) in the vicinity of a borrow pit offshore of western Fire Island, New York. Location of maps shown on figure 4B. A, Sharp transitions between areas of high and low backscatter identified along the margins of discrete sediment distribution patterns, bedforms, and sedimentary structures from the 2011 and 2014 surveys are overlain on the backscatter data from the 2014 survey. B, Bathymetric data from each survey also illustrates significant change around the borrow pit area.

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