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You are here: home > geotopics > coasts > what is coastal deposition?

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Coastal Deposition

 
 
 
 
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There are three main processes at work in the sea. These are erosion, transportation and deposition.

Deposition

Deposition is when material that is being transported is dropped by constructive waves. It happens because waves have less energy.

Deposition happens when the swash is stronger than the backwash and is associated with constructive waves.

Where does coastal deposition happen?

Deposition is likely to occur when:

  • waves enter an area of shallow water.
  • waves enter a sheltered area, eg a cove or bay.
  • there is little wind.
  • there is a good supply of material.

Deposition creates a range of landforms. You can find out more on the depositional landform geotopic.

Find out about coastal transportation

Find out about coastal erosion

 
     
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