groin groyne ocean beach hatteras |
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navigate by keyword : atlantic barrier blue breakers carolina coast coastal dawn east engineering erosion groin groyne hatteras north ocean physical sand sea seashore seawall sediment shore steel structure updrift water |
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Coastal engineering versus erosion. This groin/groyne on the Outer Beaches of North Carolina east coast seashore is a rigid man-made structure built from ocean shore to trap sand on the updrift side, limiting movement of sediment. Unfortunately, this physical barrier also causes erosion on the downdrift side. Taken in the pre-dawn hour mid October. |
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