Water Diversions

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Submitted By narcitracy
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water diversions
AP Environmental Science

Water Diversions

Purpose:

- Analyze the effects of water diversions on surrounding ecosystems and human communities.

- Compare and contrast the problems and successes of various water diversions and describe possible remediation.

Introduction:

Humans have been diverting water for irrigation, flood control, and a constant drinking supply for thousands of years. When populations were small, the diversions were small. Over the last 150 years human populations have grown rapidly and our technical abilities have vastly improved. These two changes, worldwide, have led to many large-scale projects that have altered the environment of sizable regions. This investigation focuses on three major water diversions- the Salton Sea, Aral Sea, and the Colorado River.

Part 1: The Salton Sea

1. Describe the location of the Salton Sea. What is the climate and geography of the area?

2. How did the Salton Sea form? Explain what role humans played.

3. What is the present condition of this body of water? How has it changed over the last 25 years? Why?

4. Describe several ways the Salton Sea has altered the ecosystem of the region. Explain the stability of that ecosystem. How is it changing over time?

5. Outline 3 environmental and 3 economic reasons the Salton Sea is important.

6. What steps are being taken to remediate the Salton Sea? What are the chances of success? Explain.

7. Compare the similarities and differences between the Salton Sea and Lake Chad in sub-Saharan Africa.

Part 2: The Aral Sea

1. Find the location and other geographic information about the Aral Sea from a current atlas.

a) Which former Soviet republics border the Aral Sea?

b) Which rivers mainly supply the Aral Sea?

2. What government agency is…...

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