Causes and impacts of flooding.

Question 1

Physical causes of flooding.

Answer 1

Excessive and prolonged rainfall.
Intensive rainfall.
Rapid snow melt.
Coastal storm surges.

Question 2

Human causes of flooding.

Answer 2

Growth of urban areas.
Deforestation.
Climate change.
Hard engineering.

Question 3

Physical impacts.

Answer 3

Area of land flooded.
The amount of sediment deposited.
Any change to a rivers course.

Question 4

Human impacts.

Answer 4

Economic costs to households.
Economic impact on businesses and agriculture.
Economic costs of organising help.
Social impacts such as deaths, homelessness and displacement of people.
Social impact of health issues.