Predicting longshore gradients in longshore transport: the CERC formula compared to Delft3D
By: Jeffrey H. List, Daniel M. Hanes, and Peter Ruggiero
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Abstract
The prediction of longshore transport gradients is critical for forecasting shoreline change. We employ simple test cases consisting of shoreface pits at varying distances from the shoreline to compare the longshore transport gradients predicted by the CERC formula against results derived from the process-based model Delft3D. Results show that while in some cases the two approaches give very similar results, in many cases the results diverge greatly. Although neither approach is validated with field data here, the Delft3D-based transport gradients provide much more consistent predictions of erosional and accretionary zones as the pit location varies across the shoreface.
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Predicting longshore gradients in longshore transport: the CERC formula compared to Delft3D |
| DOI | 10.1142/9789812709554_0284 |
| Volume | 4 |
| Year Published | 2007 |
| Language | English |
| Publisher | World Scientific |
| Contributing office(s) | Coastal and Marine Geology Program, Woods Hole Coastal and Marine Science Center |
| Description | 11 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | Coastal engineering 2006: Proceedings of the 30th international conference |
| First page | 3370 |
| Last page | 3380 |
| Conference Title | Coastal Engineering 2006 |
| Conference Location | San Diego, California, USA |
| Conference Date | September 3-8, 2006 |
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