Describe ways in which (a) a rise and (b) a fall in the average global temperature could affect Earth's hydrologic cycle.
Explain why there are layers of temperature in a lake and how/why they change during different seasons.
Describe and discuss effects of flood control structures, such as artificial levees, on the damage caused by large floods.
Consider how a rise or a fall in average global temperature might affect surface water and ground water reserves in the United States.
Discuss the pros and cons of surface water and ground water diversion projects.