Summary

Summary AQA Geography A level: Coast case studies list

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Module
Unit 1 GEOG1 - Physical and Human Geography

Institution
AQA

Case studies of Coast topic in AQA Geography A level. The case studies include, the Holderness coast, the East Sussex coast, the Portuguese coast (high energy coast), Chesabeake Bay USA (low energy coast), Cape Naturaliste to Moore River- Wester Australia (sediment cells and budgets), Sogjefjord-No...

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Uploaded on June 22, 2023
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Written in 2022/2023
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Coast case studies list

, Systems and processes:

Tides:

- Microtidal: 2m or less

- Mesotidal: 2-4m

- Macrotidal: 4m or above

High energy coast: the Portuguese west coast

- Destructive waves- steep vertical plunge and strong backwash

- Long fetch

- Meso-tidal range:2-4m

- Strong wind with high crest

o Also create longshore movement

- Divergence of the Gulf Stream into the North Atlantic Drift and the Canary Current allows large
bolumes of water being swept past the Portuguese coastline

- Much of the coastline composed of high cliffs which are easily undercut- many discordant
coastline

- e.g. headland; Cape St Vincent

Low energy coast: Chesapeake Bay, USA

- Eastern coast of notrthern USA

- Deposition>erosion

- Net gain in the sediment budget

- Morphology of the bay:

o Average depth of 9m- shallow

o Reduce wave energy

o High friction as more water is in contact with the sea bed- constructive waves

- Limited fetch

o Much of the bay is protected from the force of the Atlantic currents by land enclosing
the bay area

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Summary AQA Geography A level: Coast case studies list

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