1.2 Rainfall- discharge relationships with drainage basins Flashcards
1
Q
River Regime
A
Annual variation in the flow of a river
2
Q
Flood or Storm hydrograph
A
Shows how a river changes over a short period.
3
Q
Rising limb
A
Shows how quickly the flood waters begin to rise
4
Q
Peak flow
A
Maximum discharge of the river as a result of the storm
5
Q
Time lag
A
Time between the height of the storm and the maximum flow of the river
6
Q
Recessional limb
A
The speed with which the water level in the river declines after the peak
7
Q
Baseflow
A
Normal level of the river, fed by groundwate
8
Q
Quickflow or Stormflow
A
Water that gets into the river as a result of overland runoff
9
Q
Annual Hydrograph
A
(AKA river regime) Average annual flow of a river.
10
Q
Antecedent moisture
A
Moisture already in the soil before a rainfall event
