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Summary GCSE Geography Coastal Landscapes

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A thorough and complete summary of the Coastal Landscapes section in AQA GCSE Geography, Paper 1, Section C. All topics and specification points are covered including case studies. Topics include: Waves, Weathering, Mass Movement, Erosion, Transportation, Longshore Drift, Landforms (of Erosion and Deposition), Coastlines, Management, Soft & Hard Engineering and Managed Retreat. A full dictionary of coastal-related terms can be found on the final pages. These notes are proven to achieve the highest possible grades, namely 8s and 9s. All sections, diagrams and explanations are clearly labelled, concise and tailored to the mark scheme.

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GCSE (AQA) GEOGRAPHY

PAPER 1 SECTION C

COASTAL LANDSCAPES

FULL NOTES




Coastal Landscapes – Condensed Notes AQA GCSE Geography

, 10.1 WAVES
Constructive:
Swash>Backwash
Low amplitude / Large wavelength
Low frequency
Add sediment to beach (depositional)
Found in calmer weather

Destructive:
Backwash>Swash
High amplitude / Small wavelength
High frequency
Remove sediment from beach (erosional)
Found in stormy weather

Characteristic Constructive Destructive
Amplitude Low High
Wavelength Long Short
Sediment on beach Adds sediment Removes sediment
Frequency Low High
Weather Calm Stormy
Hydraulic action Low High
Energy moves Up beach - swash> Down beach - backwash>

Coastlines (constructive waves) —> Depositional landforms (rocky headlands: tall
cliffs/caves)
Coastlines (destructive waves) —> Long fetch (powerful) —> eroded coast / retreated

Q: What is hydraulic action?
A: Force of waves

Some key definitions:
Fetch – distance the wind blows across the water
Larger fetch = greater wave energy

Swash – energy/sediment moving up the beach

Backwash – energy/sediment moving down the beach

Wavelength – distance from one wave crest to another

Amplitude – height of wave

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Uploaded on
August 14, 2024
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