Coastal management refers to management practices designed to protect natural coastlines against sediment erosion by the action of wind and water. Historically, beaches were protected by placement of hard structures such as seawalls and revetments or sand-trapping structures such as groynes. Since the 1950s more innovative and dynamic coastal management methods have been developed which depend upon beach nourishment (adding sands and gravels from another area), erosion control or beach and dune stabilization.
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