Assessment of Beach Nourishment Methodoliogies

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by Anders Egense, Tekmarine Inc, Pasadena, CA, USA,
Choule J. Sonu, Tekmarine Inc, Pasadena, CA, USA,

Document Type: Proceeding Paper

Part of: Coastal Zone '87

Abstract: Although artificial beach nourishment has become a common practice for mitigating beach erosion in the U. S. , it lacks clear rationales for achieving optimum benefits. Four recent large-volume beach nourishment projects in the U. S. are reviewed in order to assess empirical rules which may be useful for future planning of such operations. The review indicates that the success of a large-volume beach fill is highly dependent upon the degree of local compartmentalization of the fill material that is afforded by proximate coastal facilities and topographic features. The review also reveals that post-construction monitoring has been inadequate, while the performance data would have provided the only realistic opportunity for improved future programs.

Subject Headings: Beach nourishment | Fills | Construction management | Erosion | Empirical equations | Beaches | Topography |

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