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Hydrologic Cycle
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Water cycleFigure 10.2
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Ocean/freshwater percentagesFigure 10.4
Glaciers and Ice sheets
Distribution of Water
Freshwater Resources
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Earth’s water compartments
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GroundwaterFigure 10.6
Water Table
Aquifers and Aquitards
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Recharge zone of aquiferFigure 10.7
Artesian Wells
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Growth of global water useFigure 10.9
Source: Data from L. A. Shiklomanov, “Global Water Resources” in Nature and Resources, vol. 26, p. 34-43, UNESCO, Paris.
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Water table/cone of depressionFigure 10.15
Cone of depression
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Mean annual precipitationFigure 10.3
10-4 Source: From Jerome Fellman et al., Human Geography, 4th ed. © 1995 Times Mirror Higher Education Group, Inc., Dubuque, Iowa. All Rights Reserved. Reprinted by permission.
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Water shortage/Yellow RiverFigure 10.1
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Aswan Dam
Hoover Dam
Between 1911 and 1923, Mulholland's agents quietly purchased 95 percent of water rights to the Owens River. Against overwhelming odds, Mulholland constructed a 233-mile aqueduct across the blistering Mojave Desert to deliver Owens River water to downtown L.A.
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Water withdrawals by incomeFigure 10.10
Source: Data from World Bank, 1992.
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Water measurement units
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World’s ten largest rivers
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Typical household water use
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Water pollutant categories
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Oxygen sagFigure 10.20
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Watershed degradationFigure 10.23
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U.S. river and lake conditionsFigure 10.24
Source: Data from USDA and Natural Resources Conservation Service, America’s Private Land: A Geography of Hope, USDA, 1996.
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Pollution infiltrationFigure 10.26
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Oil pollution in the oceansFigure 10.28
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Sewage treatmentFigure 10.29
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Investment in sanitationFigure 10.30
Source: World Bank estimates based on research paper by Dennis Anderson and William Cavendish. “Efficiency and Substitution in Pollution Abatement: Simulation Studies in Three Sectors.”
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Water quality legislation
