Historically most dredged material was placed offshore as the most cost effective option, removing it entirely from the active sediment system and contributing to long-term shoreline erosion. By removing sediment from the naturally accreting area, new sediment transported into the waterway will fill in its place, limiting supply down the coast. Dredging armored inlets is an unending task. It is often used to keep waterways and ports navigable for both recreational and commercial users. Gulf Islands National Seashore, Florida and Mississippi.ĭredging is the removal of material, including sand, silt, gravel and other subaqueous materials from waterways. Barrier Island Restoration by placing sediment into Camille Cut between East and West Ship Islands.
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