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Beneficial Uses
 Black Dot Image Introduction
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 Black Dot Image Sediment Types
 Black Dot Image Glossary
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Agricultural/Product Uses
 Black Dot Image Aquaculture
 Black Dot Image Construction Materials
 Black Dot Image Decorative Landscaping Products
 Black Dot Image Topsoil

Engineered Uses
 Black Dot Image Beach Nourishment
 Black Dot Image Berm Creation
 Black Dot Image Capping
 Black Dot Image Land Creation
 Black Dot Image Land Improvement
 Black Dot Image Replacement Fill
 Black Dot Image Shore Protection

Environmental Enhancement
 Black Dot Image Fish & Wildlife Habitats
 Black Dot Image Fisheries Improvement
 Black Dot Image Wetland Restoration

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Beach Nourishment

    The influences of waves and tidal currents keep beach material in continuous motion. Where the prevailing wave direction is at an angle to the beach of less than 90 deg, some material will be moved along the beach or foreshore or even offshore in a process called littoral transport. This movement is most rapid under storm conditions. If the moved material is not replaced, the beach and eventually the shoreline will erode. If lost beach material is not replaced naturally, beach nourishment may be necessary to enhance the beach profile and moderate the wave climate at the shoreline. In addition to the improvement of beaches for coast protection, improvement may also be required for recreation beaches. Recreation beaches may be improved or new beaches may be created. Dredging can supply the required large quantities of sand and gravel-sized material for beach nourishment. A life span of 10 years is a common design target for many beach nourishment schemes but a shorter life may be acceptable, particularly where the cost of nourishment material is low.

    Recommended Sediment Types

    • Gravel and sand


    • Francingues, N.R. McLellan, T.N., Hopman, R.J. Vann, R.G., and Woodward, T.D. (2000.) "Innovations in dredging technology: equipment, operations and management," DOER Technical Notes Collection (ERDC TN-DOER-T1), U.S. Army Research and Development Center.

    • National Oceanic Atmospheric Administration (2000.) "State, Territory, and Commonwealth Beach Nourishment Programs: A National Overview," Office of Ocean & Coastal Resource Management Program Series Technical Document No. 00-01, Washington, DC.

    • Nelson, D. A., and Pullen, E. J. (1990.) "Environmental Considerations in Using Beach Nourishment for Dredged Material Placement," pp. 113-128. In: R. L. Lazor and R. Medina (eds.) Beneficial Uses of Dredged Material. Technical Report D-90-3, U.S. Army Engineer Research Waterways Experiment Station, Vicksburg, MS.

    Case Studies

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