Shoreline Structures - BeachapediaSep 23, 2015 . Shoreline structures are built to alter the effects of ocean waves, currents .. An artificial harbor mouth can act as a trap for the longshore sand.artificial sand built,Can Artificial Sand Dunes Save The Jersey Shore? - ThinkProgressNov 1, 2013 . In some areas, the local municipalities have used the sand to widen their beaches while other towns have built artificial dunes or some.
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