1. Flooding can increase water pollution.
Agree Disagree
Flooding can increase water pollution.
1._______ ________
A drought is caused by a long period of hot weather.
2._______ ________
Droughts can increase the risk of forest fires
3._______ ________
Areas of North Carolina are currently in a drought
4._______ ________
Most droughts are caused by human actions.
5._______ ________

2. Chapter 7 Section 4 Droughts and Floods

3. I. Droughts
Drought – a long period of time with much less precipitation than normal
1. Caused by a dry weather system that stays over one area

4. North Carolina – 2007 Drought

5. B. Effects of Droughts
1. crop loss
2. increase risk of forest fires
3. decrease in supply of drinking water

6. Falls Lake, NC – Early 2008

7. Are we in a drought now?

12. II. Floods
Occur when the volume of water in a river or lake increases and overflows the banks
Flash Flood – sudden violent flood occurring within a few hours

13. C. Controlling Floods
1. Damming a river
2. Levees – natural or man-made walls on the sides of a river

14. 1. Lower water quality from sewage backup
D. Effects of Floods:
1. Lower water quality from sewage backup
2. Increased runoff pollution

15. Flooding can increase water pollution.
Agree Disagree
Flooding can increase water pollution.
1._______ ________
A drought is caused by a long period of hot weather.
2._______ ________
Droughts can increase the risk of forest fires
3._______ ________
Areas of North Carolina are currently in a drought
4._______ ________
Most droughts are caused by human actions.
5._______ ________