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Cross shore transport differs from longshore transport in that cross shore transport

  • A.is unaffected by wave conditions
  • B.redistributes sediment within the profile rather than along it
  • C.moves the sediment permanently out of the littoral cell entirely
  • D.occurs only during calm weather

Answer: B

Correct answer: redistributes sediment within the profile rather than along it

Cross-shore transport moves sediment up and down the profile - offshore into bars during storms, back onshore during calm periods - so the material generally stays within the same stretch of coast. Longshore transport moves it along the coast and can remove it from the frontage altogether. Distinguishing the two matters, since a beach flattened by cross-shore transport will recover and one drained by longshore drift will not.

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