1. AICE
QUESTION

2. AICE
QUESTION

4. USING DAMS AND RESERVOIRS
TO SUPPLY MORE WATER
Large dams and reservoirs can produce cheap electricity, reduce downstream flooding, and provide year-round water for irrigating cropland, but they also displace
people and disrupt aquatic systems.

5. AICE QUESTION ADVANTAGES 1. Water supply for recreation
2. Alternative power
3. Environmental benefits
4. Enhances local climate
AICE QUESTION
DISADVANTAGES
High cost
High silting(sediment movement)
disrupts socio-economics
Changes the environment

7. 14 major dams and reservoirs, and canals.
Case Study: The Colorado Basin
an Over tapped Resource
The Colorado River has so many dams and withdrawals that it often does not reach the ocean.
14 major dams and reservoirs, and canals.
Water is mostly used in desert area of the U.S.
3. Provides electricity from hydroelectric plants for 30 million people (1/10th of the U.S. population).