What causes floods
- Created by: shazzler
- Created on: 29-10-13 15:53
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- What causes floods
- Rainfall
- Heavy rainfall
- Prolonged rainfall
- Saturated soil
- Heavy rainfall
- Saturated soil
- Relief
- Steep
- More surface run-off, so water reaches river quickly
- Steep
- Rock & soil type
- Saturated soil
- Impermeable rock
- Weather conditions
- Hot - more evaporation, hard baked soil
- Less inflitration
- Monsoon
- Climate change-snow melt
- Cold hardens rock
- Hot - more evaporation, hard baked soil
- Land use
- Building construction
- Impermeable surface
- Deforestation
- No interception
- Tarrmac
- Building construction
- Rainfall
- Land use
- Building construction
- Impermeable surface
- Deforestation
- No interception
- Tarrmac
- Building construction
- Monsoon
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