1
Q
Discharge
A
Volume of water in cubic metres per second, measured in cumecs (m³/sec)
2
Q
Rising limb
A
As water joins the river, discharge increases
3
Q
Peak rainfall
A
When rainfall is heaviest
4
Q
Peak flow
A
When river flow is greatest (also known as peak discharge)
5
Q
Lag time
A
The time lapse between peak rainfall and peak discharge
6
Q
Falling limb
A
River discharge eventually decreases
7
Q
Base flow
A
The usual or expected volume of water in the river
