ABSTRACT

National Assessment of Hurricane-Induced Coastal Erosion Hazards: Mid-Atlantic Coast   [open pdf - 1MB]

"In the last decade, communities along the mid-Atlantic coast of the United States have been devastated by many powerful hurricanes including Isabel (2003), Irene (2011), and Sandy (2012). Waves and surge accompanying these storms resulted in widespread beach and dune erosion and extensive overwash (Morgan and Sallenger, 2009). A clear need exists to identify areas of our coastline that are likely to experience extreme erosion during a hurricane. This information can be used to determine vulnerability levels and the associated risk of building houses or infrastructure on land that shifts and moves with each storm landfall. A decade of research on storm-driven coastal change hazards within the U.S. Geological Survey (USGS) National Assessment of Coastal Change Hazards project has provided the data and modeling capabilities to produce the first regional assessment of the vulnerability of coastlines to extreme erosion during hurricane landfall. Vulnerability is defined in terms of the probability for coastal change, predicted using a USGS-developed storm-impact scale that compares predicted elevations of hurricane-induced water levels to measured elevations of coastal topography (Sallenger, 2000). This approach defines four coastal change regimes that describe the dominant interactions between beach morphology and storm processes and resulting modes of coastal change. Here, the focus is on the vulnerability of open-coast sandy beaches on the U.S. mid-Atlantic shoreline."

Report Number:
Open-File Report No. 2013-1131
Author:
Publisher:
Date:
2013
Copyright:
Public Domain
Retrieved From:
U.S. Geological Survey: http://www.usgs.gov/
Media Type:
application/pdf
URL:
Help with citations