Coastal Landscapes Management

Question 1

Hard engineering protections methods and benefits or drawbacks

Answer 1

Sea walls - concrete walls prevent erosion and curved to reflect energy back into sea

Protect cliff base but expensive

Question 2

Hard engineering methods and benefits and drawbacks of it

Answer 2

Rock armour - boulders at bottom of cliff break waves up and absorb the tut energy

Cheaper than sea wall and easy to maintain but expensive to transport

Question 3

Soft engineering methods and benefits and drawbacks of it

Answer 3

Beach nourishment - replaces beach material that has been moved by long shore drift

Blends with existing beach but needs to be constantly replaced

Question 4

Soft engineering methods benefits and drawbacks

Answer 4

Re profiling - sand moved to lower part of beach to create natural slope and restore beach

Cheap and simple and reduces wave energy but needs continuous repeats.