coastal processes Flashcards

1
Q

hydraulic action

A

Pounding waves compress trapped air in the rocks, creating an explosive blast which weakens and loosens rock fragments

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2
Q

abrasion/ corrasion

A

Rock fragments thrown against the headland create a sandblasting (abrasive) action, wearing away the rock

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3
Q

solution/ corrosion

A

Carbonic acid in sea water weathering limestone and chalk

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4
Q

attrition

A

Rock fragments slowly being ground down by friction from wave action into smaller and rounder pieces to form sand

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