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Ancient Mysteries

New evidence supports Mayan drought theory

August 3, 2018 | Comment icon 3 comments



Was extreme drought to blame ? Image Credit: CC BY-SA 3.0 Bjorn Christian Torrissen
Scientists are more certain than ever that a massive drought caused the Mayan civilization to collapse.
With their impressive pyramids and unrivaled mastery of mathematics, writing and art, the Maya were one of the most successful civilizations ever to arise in South America.

Exactly what caused their eventual collapse however has long remained a topic of debate.

Now though, by analyzing sediment samples retrieved from Lake Chichancanab, scientists have been able to determine the conditions across the Yucatan Peninsula at the time of the Mayan decline.

Their findings support previous studies suggesting that an extended period of drought was to blame.
"The role of climate change in the collapse of Classic Maya civilisation is somewhat controversial, partly because previous records are limited to qualitative reconstructions, for example whether conditions were wetter or drier," said PhD student Nick Evans from the University of Cambridge.

"Our study represents a substantial advance as it provides statistically robust estimates of rainfall and humidity levels during the Maya downfall."

The research involved analyzing the different isotopes of water trapped within gypsum crystals to calculate the precise changes in humidity and rainfall over the course of hundreds of years.

"This method is highly accurate and is almost like measuring the water itself," said Evans.

Source: Independent | Comments (3)


Recent comments on this story
Comment icon #1 Posted by AllPossible 4 years ago
I thought the Spaniards killed them off with force & diseases. The Mayans never saw guns & cannons so they're defense was limited
Comment icon #2 Posted by Jon the frog 4 years ago
The Mayan are still there but their vast civilization collapsed to never raise back to it's prime. The Spaniards cause them to drop down even more.
Comment icon #3 Posted by Bavarian Raven 4 years ago
But I've also read that during the worst of the drought, the driest areas of the Mayan realms were still flourishing and expanding. More than likely the drought just exasperated existing conflicts / wars etc imho.†


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