Offshore Current

Any current in the offshore zone. Also refers to any current flowing away from shore.

Glossary of Terms

A tropical cyclone with maximum winds less than 34 m/sec (75 mile per hour). Compare with hurricane or typhoon (winds greater than 34m/sec).

Dune

A landform characterized by an accumulation of wind-blown sand, often vegetated.

Setback

A required open space, specified in shoreline master programmes, measured horizontally upland from a perpendicular to the ordinary high water mark.

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

Sea Bags

Large sand-filled geotextile tubes used in coastal protection projects.

The declivity from the offshore border of the continental shelf to oceanic depths. It is characterized by a marked increase in slope.