coastal defense Flashcards
1
Q
soft engineering
A
working with natures to manage coastlines, it will only attempt to manage erosion and floods.
2
Q
hard engineering
A
building structures to stop erosion and flooding to protect the coast (usually man made)
3
Q
sea walls
A
concrete wall, curved under the side to deflect the power of the waves
4
Q
gabions
A
cages of boulders built into the cliff face - small rocks help absorb the energy
5
Q
revetment
A
wooden structure breaks the force of the waves and trap beach material behind them
6
Q
groynes
A
wooden or in some cases steel structures that stop long shore drift and build up/anchor the beach, protecting the base of a cliff
7
Q
beach nourishment
A
build up the beach by replenishing beach material. this provides a natural solution to absorbing waves
