Question

A small tourist town is experiencing rapid beach erosion. Based on the information in the animation, what is the best solution to quickly resolve the problem for residents and visitors?
a. Build a jetty just up current from the town.
b. Invest in beach nourishment.
c. Allow residents to install groins.
d. Construct an offshore breakwater.

Answer 1

Answer:

The answer is c. Allow residents to install groins.

Explanation:

Given:

A small tourist town is experiencing rapid beach erosion.

Now, to find the best solution to quickly resolve the problem for residents and visitors.

So, the best solution to resolve the problem quickly:

Allow residents to install groins.

Groins are structures which are man-made, it is a long, narrow structure built out and designed to trap the sand in the beach. As by the longshore drift sands are moved down by the beach.

When sand is transported by the longshore drift current groins are meant to capture it.

Allowing residents to Install groins decreases the sand supply to the beach area immediately down-drift of the structure. Thus, the rapid beach erosion can be controlled quickly.

Therefore, the answer is c. Allow residents to install groins.