Water - Physical Causes of Flooding

Question 1

What caused the 2007-08 UK floods?

Answer 1

Unusual position of jet stream
Caused extreme rainfall

Question 2

What was the primary cause of the UK’s 2015-16 floods?

Answer 2

Succession of intense storms
October - December

Question 3

What did river flow increase by in parts of Northern England in 2015-16?

Answer 3

50 times their average

Question 4

Why are many South Eastern Asian regions vulnerable to flooding?

Answer 4

Low lying plains
Monsoon rains

Question 5

How do monsoon rains contribute to annual rainfall in certain regions?

Answer 5

70% of annual rainfall in roughly 100 days

Question 6

What % of the Bangladeshi population are exposed to flood risk?

Answer 6

80%

Question 7

What were the impacts of the 2007 Bangladesh floods?

Answer 7

$290m crop damage
25m made homeless
1000+ deaths

Question 8

How did extreme rainfall + storms create flooding in Pakistan in 2010?

Answer 8

More than 1000mm of rainfall
10x yearly average in one week

Question 9

How did snow + ice generate flooding in Nepal 1985?

Answer 9

Ice avalanche
Created 5m wave
Overtopped moraine dam

Question 10

What were the impacts of the 1985 Nepal floods?

Answer 10

5 deaths
Lost homes, farmland + infrastructure
Namche Small Hydropower Plant destroyed
Estimated loss of $1.5m

Question 11

What were the physical causes of the 2005 Carlisle floods?

Answer 11

Steep basin
Rapid run off
Impermeable rock
Thin soils