Coastal Defence

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 effective

Disadvantages:

Expensive

Takes time to build Look ugly

What are the advantages of rock armour?

absorbs energy from storm waves, prevents erosion. disadvantages can be moved by the sea

it protects the cliff from being eroded quickly and also deflects some of the energy of the waves

Famous quotes containing the word defence:

    “They aroused me to a determination to understand more fully the position of women, and the character of those men who talk so much of the need of our being “protected”Mremoving from us, meanwhile, what are often the very weapons of our defence [sic], occupations, and proper and encouraging remuneration.”
    —Harriot K. Hunt (1805–1875)