From decade to decade: What's the status of our groundwater quality?
Monday, April 30, 2012 - 22:30
in Earth & Climate
There was no change in concentrations of chloride, dissolved solids, or nitrate in groundwater for more than 50 percent of well networks sampled in a new analysis by the USGS that compared samples from 1988-2000 to samples from 2001-2010. For those networks that did have a change, seven times more networks saw increases as opposed to decreases.
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