Landforms of Coastal Erosion Flashcards

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What is a wave-cut platform?
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A wave-cut platform is a wide, gently sloping surface found at the base of the cliff and extends into the sea.

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What is a wave-cut platform?
What is a bay?
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A bay is an inlet of the sea where the land curves inwards.

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What is a bay?
Do headlands form along concordant or discordant coastlines?
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Headlands form along discordant coastlines.

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Do headlands form along concordant or discordant coastlines?
Explain the formation of a wave-cut platform.
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The sea attacks a weakness in the base of the cliff. For example, this could be a joint in chalk. A wave-cut notch is created by erosional processes such as hydraulic action and abrasion. As the notch becomes larger the cliff becomes unstable and collapses as the result of gravity. The cliff retreats inland. The material from the collapsed cliff face is eroded and transported away. This leaves a wave-cut platform. The process repeats over time.

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Explain the formation of a wave-cut platform.
Explain the formation of bays and headlands.
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The bands of soft rock, such as sand and clay, erode more quickly than those of more resistant rock, such as chalk. This leaves a section of land jutting out into the sea called a headland. The areas where the soft rock has eroded away, next to the headland, are called bays.

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Explain the formation of bays and headlands.




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