Stig Östlund

tisdag, februari 08, 2011

New Drought Record From Long-lived Mexican Trees May Illuminate Fates of Past Civilizations‏

News From the Field
New Drought Record From Long-lived Mexican Trees May Illuminate Fates of Past Civilizations


A new, detailed record of rainfall fluctuations in ancient Mexico that spans more than 12 centuries promises to improve our understanding of the role drought played in the rise and fall of pre-Hispanic civilizations


Full story http://www.agu.org/news/press/pr_archives/2011/2011-06.shtml

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