5.5 Flashcards
1
Q
What Is the usual cause of flooding in the UK?
A
Prolonged and heavy rainfall associated with the passage of low pressure systems.
2
Q
Why does flooding occur in Asia?
A
Intensity and volume of rainfall
3
Q
What else can cause flooding?
A
- Melting snow
- Glacial outbursts
4
Q
What Human actions can cause flooding?
A
- Grazing animals trampling soil
- Ploughing compacting soil
- Streams channelled into culverts to aid rapid drainage from farmland
- Dams built
- Irrigation
- Impermeable surfaces
- Deforestation
- Afforestation
5
Q
What are the Socio-economic impacts of drought?
A
- Death of crops
- Famine
- Loss of communications and transport
- Infrastructure losses
6
Q
What are the environmental impacts of drought?
A
- Maintain ecosystem functions
- Recharge groundwater systems
- Move sediment
- Tigger breeding
- Eutrophication
- Loss of soil wildlife
