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Abstract
Numerous studies have identified the protective benefit provided by dunes in shielding upland assets. However, dunes are susceptible to erosion. Breaches, overwash or significant overtopping of a dune are all associated with greater damages to upland infrastructure. Therefore, reliable tools are needed to efficiently assess the likelihood and magnitude of dune erosion during storm events. Existing methods rely on numerical modeling (extensive investment) or insufficiently parameterize the system. To fill this gap, a fragility model using a newly developed dune Engineering Demand Parameter (EDP) was introduced (Janssen and Miller 2022).References
Janssen and Miller (2022). The Dune Engineering Demand Parameter and Applications to Forecasting Dune Impacts. Journal of Marine Science and Engineering, 10(2), 234.
Judge, Overton, and Fisher (2003). Vulnerability indicators for coastal dunes. Journal of Waterway Port Coastal and Ocean Engineering, ASCE, 129(6), 270-278.
Miller and Livermont (2008). A predictive index for wave and storm surge induced erosion. 31st International Conference on Coastal Engineering, Hamburg, Germany, 4143-4153.
Sallenger (2000). Storm impact scale for barrier islands. Journal of Coastal Research, 16(3), 890-895.
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Copyright (c) 2023 Matthew S Janssen, Audrey Fanning, Jon K Miller, Laura Lemke-Verderame