Groynes

Definition (http://en.wikipedia.org/wiki/Groyne)

A groyne (groin in the United States) is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. In the ocean, groynes create beaches, or prevent them being washed away by longshore drift. In a river, groynes prevent erosion and ice jamming, which in turn aids navigation.

Preferred Units: N/A

Scope Note:
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This term is used for the following terms: 
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Approved Date
15-Aug-2014

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