Hydrographs Flashcards
1
Q
what are hydrographs
A
a graph which shows how a river responds to a particular storm
2
Q
what is the lag time?
A
the gap between the peak rainfall and peak discharge
3
Q
what makes the lag time shorter, the rising limb steeper and the peak discharge higher
A
water getting into the channel faster
4
Q
what is the risk of the limb rising
A
flooding
