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Thursday, October 13 • 10:30am - 12:00pm
Using GIS, Aerials & Ground Truthing to Uncover Superstorm Sandy Erosion

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Vegetation and biogeomorphology are highly coupled in beach-dune systems, but the role of plants and within that, species effects, on abating storm erosion are largely unexplored. We quantified coastal dune erosion from Superstorm Sandy (October 2012) as a function of pre-storm system characteristics - dune height, beach width, and dominant vegetation-stabilizing dunes (native Ammophila breviligulata or invasive Carex kobomugi)- at Island Beach State Park, New Jersey, USA. Dune erosion was assessed using a combination of pre- and post-Sandy aerial image analyses, GPS mapping, and GIS spatial analyses. We analyzed erosion as a function of two new metrics: macroscale 2D surface area changes, and Dune Crest Transgression (DCT), measured at the microscale (1 m-1) and analyzed using a mixed model accounting for spatial autocorrelation. This is the first study to show a species-effect on erosion - although C. kobomugi reduces native diversity and abundance, it may be beneficial for coastal protection, as dunes fronted by C. kobomugi suffered less erosion than those dominated by A. breviligulata.

avatar for Dom Elefante

Dom Elefante

GIS Coordinator, PVSC
Dom Elefante is currently the GIS Coordinator for the Passaic Valley Sewerage Commission (PVSC). He has 20+ years of experience in the GIS industry and is an Executive Committee member of the State’s GeospatialForum, and is a Board Member of MAC-URISA. The PVSC provides service... Read More →

avatar for Bianca Charbonneau

Bianca Charbonneau

University of Pennsylvania
Bianca Reo Charbonneau is a third year Ph.D. candidate in the Biology Department at the University of Pennsylvania in the Casper Lab. She is studying how coastal dunes respond to and recover after major storm events, like Superstorm Sandy. She is most interested in ecological questions... Read More →

Thursday October 13, 2016 10:30am - 12:00pm EDT
Atlantic A Resorts Atlantic City