flooding Flashcards
1
Q
what caused floods?
A
the heavier the rainfall and the quicker the precipitation reaches a river the higher the flood risk
2
Q
what reasons lead to a high or low flood risk
A
human factor = flooding due to human activity
physical factor = flooding due to natural causes
3
Q
infiltration definition
A
water soaked into a permeable place
4
Q
interception
A
water is caught on the leaves of vegetation
5
Q
surface run-off
A
water flows over the impermeable surfaces, it cannot infiltrate
6
Q
permeable
A
water can infiltrate (soak into) a permeable surface
7
Q
impermeable
A
cannot soak into an impermeable surface e.g concrete & tarmac
