ChestertonCC - Geo - Flooding - management

'Barriers built across rivers to stop the flow of water'.

Which flood management strategy is this?

• Dams

• Embankments

• Dredging

• Afforestation

Dams lead to high river discharge downstream.

• True

• False

Dams are an expensive flood management strategy. True or false?

• True

• False

'Removing sand, mud and rocks from the river bed'. Which flood management strategy is this?

• Dams

• Embankments

• Dredging

• Afforestation

Does dredging increase or decrease river capacity?

• Increase

• Decrease

Which of these is a disadvantage of dredging rivers?

• It is expensive.

• It has to be done frequently.

• It creates new habitats.

• It looks unsightly.

Which flood management strategy does the picture show?

• Flood warnings

• Floodplain zoning

• Afforestation

• Embankments

Floodplain zoning makes flooding less likely to happen. True or false?

• True

• False

'Walls built along the river banks'. Which flood management strategy is this?

• Flood warnings

• Floodplain zoning

• Afforestation

• Embankments

Which of these is a disadvantage of embankments?

• They are the most expensive strategy.

• They create new habitats.

• They generate hydroelectric power.

• They look unsightly.