Managemnet Strategies For Erosion

Question 1

Sea wall description:

Answer 1

Concrete or rock barrier against the sea, placed at the foot of cliffs or at the top of a beach. Has a curved face to reflect waves back into the sea.

Question 2

Groynes description:

Answer 2

Timber or rock structures built out to sea from the coast. They trap sediment being moved by longshore drift and enlarge the beach. The wider beach acts as a buffer to reduce wave damage.

Question 3

Rock armour description:

Answer 3

Piles of large boulders dumped at the front of a cliff

Question 4

Gabions description:

Answer 4

Wire cages filled with rocks that can be built up to support a cliff or provide a buffer against the sea.

Question 5

Beach nourishment:

Answer 5

Adding sand onto the beach to build up the sand causing waves to lose energy.

Question 6

Sand dune regeneration:

Answer 6

Removing invasive species such as buckthorn

Question 7

Sand dune fencing

Answer 7

Fences control where people are walking and traps sand