Coasts, landforms from sea level.

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  • Created by: Tom Ray
  • Created on: 10-12-12 16:11
How are submergent features formed?
They are landforms produced from eustatic change in sea level, examples include rias and fjords
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How are emergent features formed?
When isostatic movement is faster than eustatic, causing landforms such as raised beaches.
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Explain the creation of rias
rias are formed from a eustatic change in sea level. They are drowned river valleys where the floodplain will dissapear beneath rising waters. They have a river valley like cross profile, where the upper course is left dry.
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Explain the creation of fjords
Fjords, however, are drowned glacial valleys. They have steep slided sloped with a U shaped cross profile. They have a shallower section towards the end of the river unlike rias, called the threshold. Rejuvination caused the deep glacial valleys
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Explain the creaton of raised beaches
They are a former wave cut platform. The beaches are at a higher level than current level
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Other cards in this set

Card 2

Front

How are emergent features formed?

Back

When isostatic movement is faster than eustatic, causing landforms such as raised beaches.

Card 3

Front

Explain the creation of rias

Back

Preview of the front of card 3

Card 4

Front

Explain the creation of fjords

Back

Preview of the front of card 4

Card 5

Front

Explain the creaton of raised beaches

Back

Preview of the front of card 5

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