river flooding

Question 1

causes of flood

Answer 1

1. climatological - rain, snowmelt, ice melt
2. part-climatological : river flow + tides , storm surges
3. other factor: earthquake-liquefaction(ground turn liquid)
   : landslides
   : dam failure
4. human related: build bridges, dams (obstruction)
   agriculture , (grass, changing vegetation cover - deforestation)
   building levees
   human induced climate changes
   bad drainage system

Question 2

factors that make flooding more likely

Answer 2

• rain
• flat grassy land
• monsoon seasons
• deforestation
• poor drainage system
• impermeable rock
• no trees of plants
• river capacity
• urbanization
• steep valley