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What is Coastal Process?

The basics

The three principle marine processes that influence coasts are:

• erosion
• transportation and
• deposition.

Erosion refers to the breaking down of the land by the force of waves. Transportation is the work of waves and tides in transferring this broken material somewhere else and deposition refers to the process by which waves and tides lose energy, cease to transport and release eroded material.

Driving forces

Two drving forces of coastal processes are:

• Wave produced by wind at sea
• tide produced by gravitational effect of sun and moon.

Driving forces and marine processes

Four ways waves and tides erodes the shoreline

• Hydraulic action
• abrasion
• attrition
• solution

Four ways waves and tidal currents transport material

• Solution

• suspension

• Saltation

• Traction

See also:

1. Waves
2. Tides
3. Coastal Erosion
4. Sediment Transport and Deposition