flood hydrographs Flashcards
1
Q
Define peak rainfall
A
The hour of greatest rainfall during the storm
2
Q
Define peak discharge
A
The point of maximum river discharge caused by the storm
3
Q
define lag time
A
The time between peak rainful and peak discharge
4
Q
define rising limb
A
The period of rising river discharge following a period of rainfall
5
Q
define falling limb
A
The period of time when the rivers discharge is falling after its reached peak discharge
6
Q
Define storm run-off
A
The discharge of a river above normal flow caused by the storm events
7
Q
Define normal flow
A
The average level of flow of the river caused by water flow flowing into the river from tributes and groundwater