Rivers - Hydrographs Flashcards
1
Q
Peak discharge
A
The point at which the river has the most water in it
2
Q
Lag time
A
The time between peak rainfall and peak discharge
3
Q
Base flow
A
The water which is in the river being fed from the groundwater store
4
Q
Bankfull stage
A
The point at which the channel of the river is full and any further rainfall will result in flooding
5
Q
Rising limb
A
The section of a storm hydrograph which rises from base flow to peak discharge
6
Q
Falling limb
A
Where discharge falls from peak discharge to base flow
7
Q
Antecedent conditions
A
What has happened prior to the days on the hydrograph
8
Q
Discharge
A
The water in a river at a specific part. Measured in cumecs (m/cm cubed)