Coastal defence (Commonwealth) or Coastal defense (US) has two distinct meanings:
- For the protection of the coast from the action of wind, wave and tide, see Coastal management
- Manmade defensive features, e.g. groynes, riprap, sea walls
- For the protection of the coast against military or naval attack, see Coastal defence and fortification.
Coastal defense is to protect the coast and its surroundings from long shore drift, erosion and flooding.
Advantages and diAdvantages of having sea walls:
Stops the Sea flooding land mainly
Protects the Coast line Very effectiveDisadvantages:
Expensive
Takes time to build Look uglyWhat are the advantages of rock armour?
absorbs energy from storm waves, prevents erosion. disadvantages can be moved by the seait protects the cliff from being eroded quickly and also deflects some of the energy of the waves
Famous quotes containing the word defence:
“What cannot stand must fall; and the measure of our sincerity and therefore of the respect of men, is the amount of health and wealth we will hazard in the defence of our right. An old farmer, my neighbor across the fence, when I ask him if he is not going to town-meeting, says: “No, ‘t is no use balloting, for it will not stay; but what you do with the gun will stay so.””
—Ralph Waldo Emerson (1803–1882)