Features of a spit Flashcards

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1
Q

What process moves sediment along a spit

A

Longshore drift

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2
Q

What happens to the material when the spit suddenly changes direction

A

The material continues to be deposited in the original direction

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3
Q

What do short term changes in wind direction or currents cause?

A

The distal end to curve.

The distal end lies in open water. The proimal end is joined to mainland

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4
Q

What happens in the sheltered water behind the spit

A

sediment is deposited to form mudflats or saltmarsh

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5
Q

When do double spits occur.

A

Where a pair of spits grow towards each other from facing sides of a bay. An example of a double spit is Christchurch harbour in Dorset

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6
Q

How does the spit form

A

Prevailing winds cause longshore drift to deposit sediment on a bend of mainland. The spit curves where there is a change in wind direction

An example of a spit is Hurst spit in Hampshire.

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