F2 - SEM1 - What Is Flooding - 3.1

Question 1

What is the definition of flooding?

F2 - SEM1 - What Is Flooding - 3.1

Answer 1

overflow of a river due to sudden increase in the river discharge, which exceeds the channel capacity

F2 - SEM1 - What Is Flooding - 3.1

Question 2

Explains the formation of flooding

F2 - SEM1 - What Is Flooding - 3.1

Answer 2

1. river discharge is smaller than the channel capacity
2. When it rains, river discharge increases but is still within the channel capacity
3. When there is too much water, the river overflows and flood occurs. Water goes over the river banks.

F2 - SEM1 - What Is Flooding - 3.1

Question 3

In China, which parts does flooding occur?

F2 - SEM1 - What Is Flooding - 3.1

Answer 3

Eastern and Southern parts of China
along middle and lower courses of the major rivers (e.g. Huang He, Ghang Jiang, Zhu Jiang)

F2 - SEM1 - What Is Flooding - 3.1

Question 4

What is the major impact of Floodwater?

F2 - SEM1 - What Is Flooding - 3.1

Answer 4

drowns large areas of land
causes huge damages to society and the economy

F2 - SEM1 - What Is Flooding - 3.1

Question 5

What are the social impacts of flooding?

F2 - SEM1 - What Is Flooding - 3.1

Answer 5

• damage houses
• destroy roads and bridges - affected area became less accessible. Rescue work was slow.
• pollute water resources - risk of disease spreading increased. Death and injury

F2 - SEM1 - What Is Flooding - 3.1

Question 6

What are the economic impacts of flooding?

F2 - SEM1 - What Is Flooding - 3.1

Answer 6

• Industrial and commercial activities came to a stop
• Loss of property
• The government had to spend more money on rescue and recovery works
• Farmlands were drowned lead to Crop failure - Food production was reduced

F2 - SEM1 - What Is Flooding - 3.1