Downdrift

Flow in the direction of net longshore sediment transport.

Glossary of Terms

Gabion

Steel wire-mesh basket to hold stones or crushed rock to protect a bank or bottom from erosion. Structures composed of masses of rocks, rubble or masonry held tightly together usually by wire mesh so as to form blocks or walls. Sometimes used (although not recommended) on heavy erosion coastal areas to retard wave action.

Coastal Strip

A zone directly adjacent to the waterline, where only coast related activities take place. Usually this is a strip of some 100 m wide. In this strip, coastal defense activities take place. In this strip often there may be restrictions to land use.

Photogrammetry

The science of deducing the physical dimensions of objects from measurements on images (usually photographs) of the objects.

Station, control

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

Coastal Erosion

The wearing away of coastal lands, usually by wave attack, tidal or littoral currents, or wind. Coastal erosion is synonymous with shoreline (vegetation line) retreat.

Pocket Beach

A beach, usually small, in a coastal reentrant or between two littoral barriers (often rocky headlands).

Search form

You are here

Downdrift