Coastal Systems and Landscapes

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Coastal Zones

تطابق النص (انقر واسحب)   

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تطابق النص

Onshore zone

Backshore

Swash zone

Nearshore zone

Surf zone

Breaker zone

Offshore and subtidal zone

انقر واسحب

Varies with tides. Waves up and down as swash and backwash.

Sand dune, beach ridges, beaches or cliffs may or may not be present here. Only affected by waves under storm conditions.

Waves are modified and sediment movement occurs, e.g. deposition.

Varies in width depending on type of wave.

Water depths greater than half the wave length of incoming wave. Limited sediment movement by waves. Tidal currents most effective.

Where cliff/land is.

Broken waves travel towards shore. Sediment movement may be onshore/offshore/along coast.