Flooding

Question 1

what causes flooding

physical

Answer 1

• heavy rain - short bursts of intense heavy rain
• prolonged rain - long spells of rainfall cause the ground to become saturated and thus cause floods
• snow melt - rapidly melting snowfall can have the same effects as prolonged or heavy rain
• relief - the higher the land, the more rainfall. the steeper the land the quick the water flows into river

Question 2

what causes flooding?

human

Answer 2

• building construction - building involved making land surfaces impermeable. reduces infiltration and increased surface run off. rain reaches channel quicker
• deforestation - increases speed and amount of run off. rain reaches channel quicker.