F.5 AS GCE Geography - Unit 1.4b - Starter

Which of the following conditions will favour flooding in Hong Kong?

• Summer monsoon

• Tropical storms

• Winter monsoon

• High temperatures in summer

Why is there a higher risk of flooding in the Amazon, compared to the past?

• Deforestation happens there.

• More land is used for agriculture nowadays.

• Urbanization can be found in the fringe of the tropical rainforest.

• Climate change contributes to more extreme weather events.

What is the river management measure taken showing in the photo?

Fill in the blanks below.

​ Deforestation is one of the significant causes of flooding. The amount of infiltration will​ (a)   and surface run-off will​ (b)   as there are no trees' roots facilitating the infiltration and absorption of water to the soil. At the same time, ​ (c)   will be reduced as well as precipitation cannot be caught by vegetation cover after deforestation.

• decrease
• increase
• interception
• transpiration
• remain the same
• evaporation

Which of the following places in the world have a high risk of river flooding?

• Hong Kong

• Bangladesh

• the USA

• Changjiang

• Brazil

Fill in the blanks below.

​ (a)   is another problem that is caused by deforestation, increasing the risk of flooding. Soil​ (b)   happens when the topsoil is exposed without the protection of vegetation cover after deforestation. After that, soil will be washed away to river channels, blocking the channels and ​ (c)   the water-holding​ (d)   of rivers.

• Silting
• erosion
• lowering
• capacity
• Sorting
• deposition
• increasing
• competence