Hydrographs Flashcards
1
Q
What can affect the discharge of a river?
A
Size of river channel,
Amount of bed load
Speed of water - velocity
2
Q
What is the base flow of a river?
A
Starting and finishing flow of river either side of increased discharge
3
Q
What is the peak discharge of a river?
A
Maximum discharge following rainfall event
4
Q
What is the peak rainfall?
A
Highest rate of precipitation during rainfall event
5
Q
What is the rising limb?
A
Increasing discharge as storm water enters the river channel
6
Q
What is the receding limb?
A
Fall in discharge back to base level
7
Q
What is the lag time?
A
Time between peak rainfall and peak discharge
8
Q
What is the discharge of a river?
A
The flow of water. Always measured in m3 / s or cumecs
