Hydrographs Flashcards
1
Q
what is lag time?
A
The lag time is the time between the height of the storm and the max flow of ther river
2
Q
What is the risibng limb?
A
shows how quickly the flood waters begin to rise
3
Q
what is peak discharge?
A
The peak discharge is the Max. discharge of the river
4
Q
What is falling limb?
A
is the speed with which water level in the river declines after the peak
5
Q
what is baseflow?
A
the normal level of teh river, which is fed by grounda
water
6
Q
what deos a steep rising limb mean?
A
precipitation is reaching the river quickly which increases flood risk
7
Q
A short lag time means?
A
that the river level is rising quickly which could mean aflash flood
