Coastal Erosion Flashcards

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Give an outline of the steps involved in hydraulic action.
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Waves hitting the base of a cliff causes leads to air compression in cracks, joints and folds in bedding planes, causing repeated changes in air pressure. As air rushes out of the crack when the wave retreats, it leads to an explosive effect as pressure is released. This process is supported further by the weakening effect of weathering. The material breaks off cliffs, sometimes in huge chunks. This process is known as hydraulic action.

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Give an outline of the steps involved in hydraulic action.
Identify the main processes of coastal erosion.
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Corrasion, abrasion, hydraulic action, attrition and corrosion/solution.

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Identify the main processes of coastal erosion.
What is coastal erosion?
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Coastal erosion is the wearing away of the land by the sea.

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What is coastal erosion?
What is attrition?
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Attrition is when waves cause rocks and pebbles to bump into each other and break up.

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What is attrition?
What is coastal erosion?
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The wearing away of land by the sea.

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What is coastal erosion?




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