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Map: The world’s water hotspots

February 26, 2010

An interesting, brief summary of key areas around the world facing water issues.  The links on the map do not work in this posting but you can find them at:

Full Article at: http://news.bbc.co.uk/2/hi/science/nature/3754520.stm

Ogallala Aquifer

Ninety-five percent of the United States’ fresh water is underground. One crucial source is a huge underground reservoir, the 800-mile Ogallala aquifer which stretches from Texas to South Dakota and provides an estimated third of all US irrigation water.

The aquifer was formed over millions of years, but has since been cut off from its original natural sources and is being steadily depleted. In some areas its level is dropping by three to five feet (90 – 150cm) a year. Estimates for its remaining lifespan vary in different areas, ranging from 60 to 250 years.

Many farmers in the Texan High Plains, which rely particularly on the underground source, are now turning away from irrigated agriculture as they become aware of the hazards of over-pumping.

Full Article at: http://news.bbc.co.uk/2/hi/science/nature/3754520.stm

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One Comment leave one →
  1. Randall permalink
    February 26, 2010 1:01 am

    That’s pretty scary to think about. Lake Mead, over by Las Vegas is having similar problems. The water level is dropping like crazy, and lots of people are moving out.

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