Recent scientific advances and their implications for sand management near San Francisco, California: The influences of the ebb tidal delta
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Abstract
Recent research in the San Francisco, California, U.S.A., coastal region has identified the importance of the ebb tidal delta to coastal processes. A process-based numerical model is found to qualitatively reproduce the equilibrium size and shape of the delta. The ebb tidal delta itself has been contracting over the past century, and the numerical model is applied to investigate the sensitivity of the delta to changes in forcing conditions. The large ebb tidal delta has a strong influence upon regional coastal processes. The prominent bathymetry of the ebb tidal delta protects some of the coast from extreme storm waves, but the delta also focuses wave energy toward the central and southern portions of Ocean Beach. Wave focusing likely contributes to a chronic erosion problem at the southern end of Ocean Beach. The ebb tidal delta in combination with non-linear waves provides a potential cross-shore sediment transport pathway that probably supplies sediment to Ocean Beach.
Study Area
| Publication type | Conference Paper |
|---|---|
| Publication Subtype | Conference Paper |
| Title | Recent scientific advances and their implications for sand management near San Francisco, California: The influences of the ebb tidal delta |
| DOI | 10.1142/9789814355537_0036 |
| Year Published | 2011 |
| Language | English |
| Publisher | World Scientific |
| Contributing office(s) | Pacific Coastal and Marine Science Center |
| Description | 12 p. |
| Larger Work Type | Book |
| Larger Work Subtype | Conference publication |
| Larger Work Title | The proceedings of the Coastal Sediments 2011 |
| Conference Title | 7th International Symposium on Coastal Engineering and Science of Coastal Sediment Processes |
| Conference Location | Miami, Florida |
| Conference Date | May 2-6, 2011 |
| Country | United States |
| State | California |
| Other Geospatial | Bay Area |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |