102Chapter17 - Chapter 17: Water Use and Management Surface...

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Unformatted text preview: Chapter 17: Water Use and Management Surface Water, Bosnia 17.1 Water Resources The hydrologic cycle constantly redistributes water Water supplies are unevenly distributed The Hydrologic Cycle 17.2 Major Water Compartments Oceans hold 97 percent of all water on earth Glaciers, ice, and snow contain most surface fresh water (69%) Groundwater Stores Large Resources (30%) Rivers, lakes, and wetlands cycle quickly (1%) The atmosphere is among the smallest of 17.3 Water Availability And Use Many Countries Suffer Water Scarcity And Water Stress Water Consumption Is Less Than Withdrawal Withdrawal: Whats Taken Out. Much May Return Quickly To Source Some Returned Water May Be Degraded Consumed: Not Easily Returnable To Source Very Little Water Is Actually Destroyed 17.3 Water Availability And Use Water Use Is Increasing Agriculture Is The Greatest Water Consumer Worldwide Water Recycles Quickly But Not Necessarily Where It Came From Domestic And Industrial Water Use Are Greatest In Wealthy Countries 17.4 Freshwater Shortages 17....
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102Chapter17 - Chapter 17: Water Use and Management Surface...

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