Dune Maintenance

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by Michael P. Walther, Coastal Technology Corp, Vero Beach, United States,

Document Type: Proceeding Paper

Part of: Coastal Zone '91

Abstract: Beach nourishment and stabilization may be achieved through the replacement of sand eroded from the dune. A generalized description of the physical processes and the storm protection benefits associated with dune maintenance are given and compared with costs associated with no action and also compared with greater-scale beach restoration projects. Existing programs of dune monitoring and maintenance are provided as examples. The environmental impact of dune maintenance versus beach restoration is considered.

Subject Headings: Coastal management | Dunes | Maintenance | Beach nourishment | Soil stabilization | Sand (hydraulic) | Sandy soils | Erosion |

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