Groundwater Extraction Mapping Will Help Future Sustainability Planning

8 Jul 2019 by OOSKAnews Correspondent
TUCSON AZ, United States

New research from the University of Arizona has determined that streamflow in US rivers has declined by as much as 50 percent since large-scale pumping began in the 1950s.The study, released in June, is the first to look at the impact of historical groundwater pumping across the United States. It has important implications for water resource management that is governed on a state by state basis.Concentrating primarily on the Mississippi River and Colorado River basins, the researchers used computer models to work out what US surface waters would have looked like in the absence of high consumptive use...

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