Storm Hydrographs Flashcards
1
Q
Peak rainfall
A
When rain is heaviest
2
Q
Peak discharge
A
When river flow is greatest
3
Q
Rising limb
A
As water joins the river discharge increase
4
Q
Falling limb
A
River discharge eventually decreases
5
Q
Lag time
A
The time lapse between peak rainfall and peace discharge
6
Q
Storm hydrography affected by ( 7)
A
Geology Climate Artificial drainage Soil type and depth Land use Area/size basin Relief
7
Q
Hunan causes of flooding (5)
A
Deforestation Soil erosion Drainage networks Farming Building
8
Q
Natural causes of flooding (6)
A
Antecedent rainfall Relief Frozen/dry ground Sunshine= more evaporation +more rain Geology Long periods of heavy rainfall and melting snow
