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Drought or glut? Health of water resources depends on how deep you look

Posted by: Maven on January 9, 2012 at 6:54 am

From MinnPost:

“Fascinating new views of Earth popped up over the holidays, drawing on advanced satellite sensing to visualize the state of groundwater resources around the globe.

The picture is not pretty in the world’s drier regions, where aquifers are being drawn down faster than they can recharge. But in Minnesota and much of the north-central U.S., the situation looks pretty good.

The map above compares current levels of groundwater storage to levels going back to 1948, with the results ranked in 11 color-coded tiers.

In areas marked with maroon — like the zones of severe long-term drought in Texas, Oklahoma and elsewhere — groundwater has been measured at levels seen only 2 percent of the time over that 63-year record. … “

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January 9, 2012 · Filed Under Groundwater

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