Tree rings shed light on ancient Mexican droughts

Published on February 4th, 2011 | by Admin

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Researchers are studying tree rings in Mexico and Central America to determine the effect of droughts on ancient civilizations.

One large ancient drought previously confirmed in the U.S. Southwest between 1149 and 1167 is shown to have extended into central Mexico, where it may have devastated maize crops, potentially giving a fatal blow to the declining Toltec culture, David Stahle, a UA paleoclimatologist, says.

[Full story]

Story: UPI | Photo: Wikimedia Commons

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