Discussion
Consider the following statements about nourishment placement.
1. Placement landward of closure depth benefits the active profile.
2. Deeper placement is cheaper but may not reach the beach.
3. Placement depth makes no difference to the outcome.
Answer: A
Correct answer: 1 and 2 only
Statements 1 and 2 set out the trade exactly: sand placed within the active profile joins the beach system, while deeper placement saves money on the dredging but may never reach the shore. Statement 3 is plainly wrong, and placement depth is one of the few decisions in a nourishment scheme that determines whether it works at all.
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