Perched Beach

A beach or fillet of sand retained above the otherwise normal profile level by a submerged dike.

Glossary of Terms

The time for a wave crest to traverse a distance equal to one wavelength. The time for two successive wave crests to pass a fixed point.

Beach Profile

A cross-sectional plot of a shore-normal topographic and geomorphic beach survey, usually in comparison to other survey dates to illustrate seasonal and longer-term changes in beach volume.

Ballast Water

Water carried by a vessel to improve its stability.

Fauna

The entire group of animals found in an area.

Dune Restoration

The technique of rebuilding an eroded or degraded dune through one or more various methods (sand fill, drift fencing, revegetation, etc.).

Station, control

A point on the ground whose horizontal or vertical location is used as a basis for obtaining locations of other points.

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Perched Beach