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Rising Seas and the Groundwater Equation http://apocadocs.com/s.pl?1288801008
Worldwide overpumping of groundwater, particularly in northern India, Iran, Mexico, northeastern China and the American West, more than doubled from 1960 to 2000 and is responsible for about 25 percent of the rise in sea level, according to estimates in a new study by a team of Dutch researchers published in Geophysical Review Letters.
The general idea that groundwater used for irrigation is running off into ocean-bound rivers or evaporating into the clouds, only to end up raining into the ocean, has been around for two decades or so; it was a focus of a 2005 paper in The Journal of Hydrogeology. But Peter H. Gleick, a leading expert on water issues, said the new paper offers a fresh way of quantifying the phenomenon.
Mr. Gleick, president of the Oakland-based Pacific Institute, said that experts on groundwater issues "have known for a long time that that water ultimately ends up in the oceans and contributes to sea level rise. What we haven't known is the magnitude and severity of the problem."
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[Read more stories about:
corporate farming, water issues, aquifers depletion, rising sea level]
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