Managing flood hard engineering Flashcards
1
Q
Dams
A
regulates river flow and reduces risk of flooding
water is released when rainfall is low
2
Q
Channel straightening
A
cutting through meanders to make river straight
may risk flood downstream
straightened channel speeds up flow of water
3
Q
Embankments
A
Raised riverbank
raising level of riverbank allows channel to hold more water before flooding occurs
4
Q
Flood relief channel
A
man made river channel
sluice gates can be opened to allow excess water to flow away into flood relief channels