Thanks to Fred Stanback for this article.
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.
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