4.5 Flashcards
1
Q
Benefits of groynes
A
Cheap (100 per m) Hard engineering Larger beach Reduced erosion More tourists
2
Q
Benefits of sea walls?
A
Very expensive
Hard engineering
Reflects wave energy
Prevents erosion
3
Q
Beach nourishment?
A
Attracts more tourists Dissipates wave energy Soft Requires refilling 1 mill per km
4
Q
Slope stabilisation?
A
Prevents saturation Helps vegetation growth Makes cliffs safer to walk Expensive (1 mill per slope) Stops mass movement
5
Q
Why are there increased risks?
A
Global warming melts ice caps, sea level rise, low lying land is flooded, more erosion.