Friday, September 18, 2015

Decades-Long "Megadrought" Looms For Entire US As Lake Powell Runs Dry, NASA Warns

Decades-Long "Megadrought" Looms For Entire US As Lake Powell Runs Dry, NASA Warns

With the number of people living in the U.S. Southwest and Central Plains, and the volume of water they need, having increased rapidly over recent decades - and, with NASA scientists expecting these trends to continue for years to come - the current severe drought combined with the tapping of the Lake Powell's water at what many consider to be an unsustainable level, has reduced its levels to only about 42% of its capacity.

Forecasting that there is an 80 percent chance of an extended drought in the area unless aggressive steps are taken to mitigate the impacts of climate change, the researchers said their results point to a challenging - and remarkably drier - future.

Scientists from NASA and Cornell and Columbia universities warned earlier this year that the U.S. Southwest and Central Plains regions are likely to be scorched by a decades-long "megadrought."


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