13 Florida Freshwater and Groundwater I 1

13 Florida Freshwater and Groundwater I 1 - Shallow sand,...

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Homework II Due on Friday Posted on Website
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Water Use and Groundwater
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Supply is Dwindling, Demand is increasing population growth industrial development expansion of irrigated agriculture. Irrigation for crops uses 65- 70 percent of fresh supplies Industry uses 20-25 percent of available freshwater Domestic use accounts for about ten percent of water use
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India China Pakistan ½ the world’s total agricultural groundwater use In India, 80% of domestic supply and 70% of agricultural supply is from groundwater Turning to Groundwater Use
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Unformatted text preview: Shallow sand, gravel, rock North China Plain Groundwater levels dropping in many developing countries Finite Resources Surface water 79% Groundwater 21% United States Abundant ground and surface water resources #1 use of groundwater is for irrigation #1 use of surface water is for power generation U.S. Thermoelectric power began dominating withdrawals in 1965 Overall withdrawals peaked in the 1980s #1 consumptive use is irrigation Aquifer levels declining Western population centers increasing...
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13 Florida Freshwater and Groundwater I 1 - Shallow sand,...

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