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NCCOS Research Project

The Coastal Recovery from Storms Tool (CReST): Modeling Impacts of Sea Level Rise on Natural and Managed Beaches and Dunes

Primary Contact(s): david.kidwell@noaa.gov
This project began in September 2016 and is projected to be completed in August 2019

We are developing a community modeling tool, based on field data, to inform impact and vulnerability assessments of dune and beach recovery following storms under a suite of sea level rise. The study represents collaboration between NOAA, Oregon State University, University of North Carolina, and the North Carolina Sentinel Site Cooperative and is focused on managed (Bogue Banks) and natural (Cape Lookout National Seashore) beaches in North Carolina.

Why We Care
Sandy beaches and dunes provide critical ecosystem services as the first line of defense against inundation from storms, conservation for native species, and are a major attraction for recreation. The amounts of services provided, particularly as natural infrastructure for coastal protection, are related to the interaction among vegetation and sediment, and are influenced by water level (including sea level rise), storm intensity and frequency, often competing human activities such as development, conservation, beach replenishment, and recreation. Effective coastal management requires an understanding of the relationship among these processes and possible trade-offs in ecosystem services required for climate change adaptation.

What We Are Doing
This project will improve management effectiveness of coastal areas through the development of a dynamic predictive tool of beach/dune function and recovery following storms. This new tools will integrate three existing model platforms, XBeach, CDM (Coastal Dune Model), and a wind transport model to allow for incorporation of dynamic feedback processes among physical and biological processes. To inform the new model, extensive field measurements will be made on Cape Lookout National Seashore (North Core, South Core, and Shackleford Banks) and Bogue Banks (including the towns of Atlantic Beach, Pine Knoll Shores, and Emerald Isle). Measurements on the relationship between vegetation composition and dune morphology will inform the dynamic modeling tool and allow for assessments of climate change and management scenarios.

Specific management scenarios evaluated will be made in conjunction with the North Carolina Sentinel Site Cooperative and representatives from local and regional management entities. On Cape Lookout National Seashore, scenarios may include evaluation of provisions for natural dune recovery, engineering options, and conservation approaches (e.g., piping plover habitat) on coastal protection. On Bogue Banks, management scenarios will focus on options for optimizing beach nourishment and vegetation planting scheme to achieve dune goals.

The project is led by Oregon State University and is funded through the Ecological Effects of Sea Level Rise program. Oregon State University and the University of North Carolina, Chapel Hill are partners on the project.

Project Overview Video

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NCCOS delivers ecosystem science solutions for stewardship of the nation’s ocean and coastal resources, in direct support of NOS priorities, offices, and customers, and to sustain thriving coastal communities and economies.

National Centers for Coastal Ocean Science
1305 East West Highway, Rm 8110
Silver Spring, MD 20910
Phone: (240) 533-0300 / Fax: (301) 713-4353
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