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Comparison of the CEST and SLOSH Models for Storm Surge Flooding.
- Source :
- Journal of Coastal Research; Mar2008, Vol. 24 Issue 2, p489-499, 11p, 1 Diagram, 4 Graphs, 7 Maps
- Publication Year :
- 2008
-
Abstract
- The Coastal and Estuarine Storm Tide (CEST) model for the boundary-fitted curvilinear grid has been developed recently to simulate a hurricane-induced storm surge. A new wetting-drying algorithm was based on accumulated volume and was created for simulating overland flooding. To evaluate the capability of the CEST model, it was compared with the well-established storm surge model—Sea, Lake, and Overland Surge from Hurricane (SLOSH)—in model grid representation and surge inundation prediction. Two models were compared: first, by carrying out storm surge simulations for Hurricanes Andrew (1992), Hugo (1989), and Camille (1969) over SLOSH's coarse polar grids with cell sizes of 500-7000 m. Results show that the CEST model agreed better with field observations of storm surge flooding. The CEST model was further evaluated by applying it to a fine-resolution curvilinear grid, which has cell sizes of 100-200 m at the hurricane landfall area, along with a superior representation of coastal topography. Comparison of the model results with field-measured elevations of high water marks and the locations of debris lines indicated that the CEST model, with the use of a fine-resolution grid, greatly reduced the uncertainty in computing storm surge flooding. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 07490208
- Volume :
- 24
- Issue :
- 2
- Database :
- Complementary Index
- Journal :
- Journal of Coastal Research
- Publication Type :
- Academic Journal
- Accession number :
- 31482917