They are made of stone or concrete at the foot of a cliff or at the top of a beach. They usually have a curved face to reflect waves back into the sea.
What are some advantages of sea walls?
Some advantages of sea walls are:
Effective prevention of erosion
They often have a promenade for people to walk along
What are some disadvantages of sea walls?
Some disadvantages of sea walls are:
They reflectwave energy, rather than absorb it
They can be obtrusive and unnatural looking
They are very expensive to build and maintain
What is the cost of sea walls?
£6000 a metre.
What is an example of a place where a sea wall is used?
