1. Why Study Continental Aquatic Systems
Chapter 1
Why Study Continental Aquatic Systems
Dodds & Whiles
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2. FIGURE 1.1
Crater Lake, Oregon.
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3. G. Evelyn Hutchinson. (Courtesy of the Yale Image Library).
FIGURE 1.2
G. Evelyn Hutchinson. (Courtesy of the Yale Image Library).
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4. thousands of km3 per year). (Data from Berner and Berner, 1987).
FIGURE 1.3
Fluxes (movements among different compartments) in the global hydrologic budget (in
thousands of km3 per year). (Data from Berner and Berner, 1987).
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5. courtesy of the United States Geological Survey).
FIGURE 1.4
Estimated uses of water (A) and total population and per capita water use (B) in the United
States from 1950 to Note that industrial and irrigation uses of water are dominant.
Offstream withdrawals used in these estimates do not include hydroelectric uses. (Data
courtesy of the United States Geological Survey).
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6. States Geological Survey).
FIGURE 1.5
Amounts of surface and groundwater used in the United States from 1950 to 2000.
Estimates include only withdrawals and not hydroelectric uses. (Data courtesy of the United
States Geological Survey).
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7. FIGURE 1.6
A clear cut across a small stream. (Courtesy of the United States Forest Service).
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