Rapid modeling of compound flooding across broad coastal regions and the necessity to include rainfall driven processes: A case study of Hurricane Florence (2018)
By: Tim Leijnse, Cornelis M. Nederhoff, Jennifer Anne Thomas, Kai Alexander Parker, Maarten van Ormondt, Li H. Erikson, Robert T. McCall, Ap van Dongeren, Andrea C. O'Neill, and Patrick L. Barnard
Edited by: Ping Wang, Elizabeth Royer, and Julie D. Rosati
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Abstract
In this work, we show that large-scale compound flood models developed for North and South Carolina, USA, can skillfully simulate multiple drivers of coastal flooding as confirmed by measurements collected during Hurricane Florence (2018). Besides the accuracy of representing observed water levels, the importance of individual processes was investigated. We demonstrate that across the area of interest, it is necessary to include marine, pluvial, and fluvial forcing and the processes of wind stress and infiltration to correctly model water levels along the coast and further inland. This work highlights the need to include these processes in modeling coastal compound flooding. By using high-resolution topo-bathymetry that is incorporated via subgrid derived tables in the Super-Fast INundation of CoastS (SFINCS) model, we improved the skill of the model at efficiently simulating flooding across large-scale domains with locally relevant results.
Suggested Citation
Leijnse, T., Nederhoff, C.M., Thomas, J.A., Parker, K.A., van Ormondt, M., Erikson, L.H., McCall, R.T., van Dongeren, A., O'Neill, A., Barnard, P.L., 2023, Rapid modeling of compound flooding across broad coastal regions and the necessity to include rainfall driven processes: A case study of Hurricane Florence (2018), in Coastal Sediments 2023: Proceedings of the Coastal Sediments 2023, New Orleans, Louisiana, United States, April 11-15, 2023, p. 2576-2584, https://doi.org/10.1142/9789811275135_0235.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Rapid modeling of compound flooding across broad coastal regions and the necessity to include rainfall driven processes: A case study of Hurricane Florence (2018) |
| DOI | 10.1142/9789811275135_0235 |
| Publication Date | March 23, 2023 |
| Year Published | 2023 |
| Language | English |
| Publisher | World Scientific |
| Contributing office(s) | Pacific Coastal and Marine Science Center |
| Description | 9 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Coastal Sediments 2023: Proceedings of the Coastal Sediments 2023 |
| First page | 2576 |
| Last page | 2584 |
| Conference Title | Coastal Sediments 2023 |
| Conference Location | New Orleans, Louisiana, United States |
| Conference Date | April 11-15, 2023 |
| Country | United States |
| State | North Carolina, South Carolina |