Patch Reef

a mound like or flat-topped organic reef, generally less than 1 km across, frequently forming part of a larger reef complex.

Glossary of Terms

Dune Walkover

Light construction that provides pedestrian access without trampling dune vegetation.

Rubble-mound Structure

A mound of random-shaped and random-placed stones protected with a cover layer of selected stones or specially shaped concrete armour units. (Armour units in a primary cover layer may be placed in an orderly manner or dumped at random.)

Current, Coastal

One of the offshore currents flowing generally parallel to the shoreline in the deeper water beyond and near the surf zone; these are not related genetically to waves and resulting surf, but may be related to tides, winds, or distribution of mass.

Seagrass Beds

Benthic communities, usually on shallow, sandy or muddy bottoms, dominated by grasslike marine plants.

Wave Period

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.

Propogation of waves

The transmission of waves through water.

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Patch Reef