Maine Geological Survey
At Manaquann New Jersey, a groin has trapped sand on the updrift side but the downdrift is starved of sand. (Top) A series of groins at Norfolk Virginia, interrupts the natural transport of sand by longshore currents. (Bottom)
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charts; graphs; data; Manaquann; New Jersey; sand; groin; updrift; downdrift; Norfolk; Virginia; longshore; transport
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