Classic Maya Civilization collapse related to modest rainfall reductions, research suggests

Thursday, February 23, 2012 - 20:30 in Earth & Climate

The disintegration of the Maya Civilization may have been related to relatively modest reductions in rainfall, according to new research. Rather modest rainfall reductions between times when the Classic Maya Civilization flourished and its collapse - between AD 800-950, seems to have caused the collapse. These reductions amount to only 25 to 40 per cent in annual rainfall, but they were large enough for evaporation to become dominant over rainfall, and open water availability was rapidly reduced, researchers say.

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