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ScienceDaily: Long-term droughts in the Southwestern North America often mean failure of both summer and winter rains, according to new tree-ring research from a University of Arizona-led team.
The finding contradicts the commonly held belief that a dry winter rainy season is generally followed by a wet monsoon season, and vice versa.
The new research shows that for the severe, multi-decadal droughts that occurred from 1539 to 2008, generally both winter and summer rains were sparse year after year.
"One......
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Monsoon failure key to long droughts in Southwest
Posted by Washington Post: Juliet Eilperin on March 11th, 2013
Posted in Water Conservation