Spring Tide

A tide that occurs at or near the time of new or full moon (syzygy) and which rises highest and falls lowest from the mean sea level.

Glossary of Terms

Coral Reef

A coral-algal mound or ridge of in-place coral colonies and skeletal fragments, carbonate sand, and organically-secreted calcium carbonate. A coral reef is built up around a wave-resistant framework, usually of older coral colonies.

Extensive limestone structures built largely by corals. They occur primarily in shallow tropical and provide habitat for a large variety of other marine life forms.

Longshore Drift

Movement of (beach) sediments approximately parallel to the coastline.

Wave Height

The vertical distance between a crest and the preceding trough.

Berm Breakwater

Rubble mound structure with horizontal berm of armor stones at about sea level, which is allowed to be (re)shaped by the waves.

Habitat

The physical space where an organism, population or species lives. Habitats are usually categorized by particular physical or biological characteristics (e.g., coral reefs, mangrove forests).

Coastal Zone Management

The integrated and general development of the coastal zone. Coastal Zone Management is not restricted to coastal defense works, but includes also coastal development in economical, ecological and social terms.

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Spring Tide