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Managed realignment involves

  • A.moving the defence line landward and allowing flooding seaward of it
  • B.building a considerably higher wall along the existing defence line
  • C.extending the defence line further seaward
  • D.abandoning all coastal management in an area

Answer: A

Intertidal habitat created in front of the new line dissipates wave energy naturally. It is often cheaper over the long term than maintaining a defence in an unsustainable position. Whole life cost is what decides the comparison.

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