Beach nourishment project construction
During construction of a beach nourishment project, sand is placed so that natural coastal processes can reshape the nourished beach into the desired configuration as intended by coastal engineers The dry beach may seem "overbuilt" during construction, since sand is often placed on the shore at fairly steep slopes. After construction, it is normal for the newly nourished beach to readjust and change substantially within the first few months. Engineers expect modest waves to move and spread the sediment so that the nourished beach can begin assuming a more natural form. This sediment will continue to move offshore, so that larger waves are prevented from reaching the shore, and along the shore. This movement of sediment, while decreasing the width of the nourished beach somewhat, is not erosion; rather, it indicates that the project is performing as designed.

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Photo by: US Army Corps of Engineers |  VIRIN: 150302-A-YW639-003.JPG