Ch. 12 Terms

Ch. 12 Terms - NR 130 Key Terms Chapter 12 Withdrawal: any...

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Unformatted text preview: NR 130 Key Terms Chapter 12 Withdrawal: any process that uses water and then returns it to Earth locally Consumption: process that uses water and then returns it to Earth far from its source Diversion system: a pipe or canal constructed to transport water Salinization: lowers crop yields in the United States on 25 to 30 percent of irrigated farmland, more than 5 million hectares Cone of depression: forms near a well when ground water is pumped to the surface faster than it can flow through the aquifer to the well Subsidence: caused by an excessive removal of ground water. It is the sinking or settling of Earths surface Saltwater intrusion: water that is unfit for drinking, irrigation, or industrial use and has affected much of south Floridas coastal ground water reservoirs Pollution: reduction of the quality of the water by the introduction of impurities Clean Water Act of 1972: o It is the national goal that the discharge of pollutants into the navigable waters be eliminated...
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Ch. 12 Terms - NR 130 Key Terms Chapter 12 Withdrawal: any...

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