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Study: Colorado River Basin drying up faster than previously thought http://apocadocs.com/s.pl?1406557299
Seven Western states that rely on the Colorado River Basin for valuable water are drawing more heavily from groundwater supplies than previously believed, a new study finds, the latest indication that an historic drought is threatening the region's future access to water. In the past nine years, the basin -- which covers Wyoming, Colorado, Utah, New Mexico, Nevada, Arizona and California -- has lost about 65 cubic kilometers of fresh water, nearly double the volume of the country's largest reservoir, Lake Mead. That figure surprised the study's authors, who used data from a NASA weather satellite to investigate groundwater supplies..."We really don't know how much water is down there. We've already depleted a lot of it. There could be more, but when we have to start to dig deeper to access it, that's a bad sign," Castle said. "If [ground water basins] continue to be depleted, they don't come back up."
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[Read more stories about:
anthropogenic change, drought, water issues]
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