1. What is the purpose of beach nourishment? Select the two correct answers.(1 point)

Question

Responses

to replenish sand on a beach
to replenish sand on a beach

to mitigate beach erosion for a period of time
to mitigate beach erosion for a period of time

to stop all beach erosion from occurring
to stop all beach erosion from occurring

to remove sand from a beach to offshore
to remove sand from a beach to offshore

to help ocean life survive after beach erosion
2. In which situation would beach nourishment be a good solution to issues caused by beach erosion?(1 point)
Responses

A beach experienced sand loss due to currents and waves.
A beach experienced sand loss due to currents and waves.

A beach experienced massive sand loss after a recent hurricane.
A beach experienced massive sand loss after a recent hurricane.

A beach experienced a recent increase in its plant population.
A beach experienced a recent increase in its plant population.

A beach experienced a recent decrease in the sea turtle population.
3.Which of the following is a potential drawback of using jetties to prevent beach erosion?(1 point)
Responses

Building jetties is more expensive than soft beach management strategies.
Building jetties is more expensive than soft beach management strategies.

Jetties block boats from being able to enter harbors.
Jetties block boats from being able to enter harbors.

Beach erosion may increase on the downdrift side of the jetties.
Beach erosion may increase on the downdrift side of the jetties.

Jetties are not effective until plant life has time to grow.
Jetties are not effective until plant life has time to grow.
4. What might a city find it necessary to do when initiating a beach nourishment project?(1 point)
Responses

raise taxes
raise taxes

seek approval from the local school board
seek approval from the local school board

find a nearby cement supplier
find a nearby cement supplier

collect plants for replanting
collect plants for replanting
5. Which of the following effects do shifting shorelines from beach erosion have on beaches?(1 point)
Responses

They cause an increase in beach currents.
They cause an increase in beach currents.

They cause narrower beach areas.
They cause narrower beach areas.

They cause wider beach areas.
They cause wider beach areas.

They cause an increase in sand on beaches.
6.How are vegetation management and beach nourishment similar in the ways they combat beach erosion?(1 point)
Responses

Both use long, hard structures to trap sand.
Both use long, hard structures to trap sand.

Both relocate materials back to the shore.
Both relocate materials back to the shore.

Both are inexpensive ways to fight erosion.
Both are inexpensive ways to fight erosion.

Both move sand from deeper waters inland.

Answer 1

1. What is the purpose of beach nourishment?

   • Correct Answers:
     • to replenish sand on a beach
     • to mitigate beach erosion for a period of time

2. In which situation would beach nourishment be a good solution to issues caused by beach erosion?

   • Correct Answer:
     • A beach experienced massive sand loss after a recent hurricane.

3. Which of the following is a potential drawback of using jetties to prevent beach erosion?

   • Correct Answer:
     • Beach erosion may increase on the downdrift side of the jetties.

4. What might a city find it necessary to do when initiating a beach nourishment project?

   • Correct Answer:
     • raise taxes

5. Which of the following effects do shifting shorelines from beach erosion have on beaches?

   • Correct Answer:
     • They cause narrower beach areas.

6. How are vegetation management and beach nourishment similar in the ways they combat beach erosion?

   • Correct Answer:
     • Both relocate materials back to the shore.