Project Summary: Compound flooding presents challenges for flood risk modeling due to its complex nature, arising from the interaction of multiple flood drivers, such as storm surge, rainfall, and river discharge. In recent years, the lack of adequate flood maps for U.S. military installations has been a concern, as these facilities are often located in vulnerable coastal regions where flooding could disrupt critical missions. This project proposes a compound flood framework to generate compound flood maps for different Annual Exceedance Probabilities (AEPs), focusing on the Ft. Stewart military installation and surrounding communities, including the city of Savannah, GA. The methodology includes hydrodynamic modeling using SFINCS (Super-Fast Inundation of CoastS), the down-selection of synthetic storms from the South Atlantic Coastal Study (SACS) with reweighted storm probability of occurrence, and model validation for Hurricanes Dorian and Debby. The expected deliverables for this project are a set of compound flood maps for different AEPs in the region, along with a comparison with the current FEMA maps.
The resulting flood maps will be used with downstream methods and models to evaluate surface transportation disruption and pavement deterioration, among other infrastructure impacts.
Students:
Lina Cardenas Caro, PhD Candidate
