Coastal Erosion The wearing of land and the removal of beach or dune sediment often caused by wind, waves, tides, drainage, and storm-surge.

Dune Walkover: A structure, typically a wooden walkway, built over the dunes to allow access to the beach, and prevent permanent damage and unnecessary wear and tear of dunes from pedestrian traffic accessing the beach.

Escarpment: A steep slope separating an area of land, usually resulting from erosion or faulting.

Groins: A structure, usually perpendicular to the shore, designed to stabilize a beach by trapping near shore sand drift.

King Tide: A non-scientific term used to describe the highest seasonal tides that occur each year. These tides occur naturally and are typically caused when a spring tide (when the sun, moon, and earth align during a new and full moon, increasing tide ranges) takes place when the moon is closest to Earth during the 28-day elliptical orbit (known as a perigee).

Revetment: A sloping structure built along an escarpment or in front of a bulkhead to protect the shoreline or bulkhead from erosion.

Revetted Seawall: A seawall, typically made of concrete, reinforced with a rock revetment.

Seawall: A type of retaining wall designed to withstand normal beachfront conditions and wave forces.