Coastal Transportation and Deposition Flashcards
Longshore drift happens when waves approach the beach at an angle. The swash (waves moving up the beach) carries material up and along the beach. The backwash (waves moving back down the beach) carries material back down the beach at right angles. This is the result of gravity. This process slowly moves material along the beach and provides a link between erosion and deposition. The material is transported through suspension, traction, solution and saltation. Longshore drift provides a link between erosion, transportation and deposition.
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Longshore drift
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Beach material is suspended and carried by the waves.
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Beach material is bounced along the seafloor.
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The movement of sediment and beach material through wave action.
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