Spits: what are they and how are they formed?

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  • Created by: ikrolivia
  • Created on: 29-03-16 13:49

What is a spit and where do they occur?

Spit = an area of sand or shingle which one end joined to land whilst the other either extends to sea or grows across a river estuary.

They only occur in places where:

- Longshore drift moves large amounts of material along beach

- Sea is quite shallow

- Sudden change in direction of coastline

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How long do they grow for?

They grow until:

- water's too deep for material to build up

- water current in river too strong & material will be removed faster than it can build up.

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