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Did Climate Influence Angkor's Collapse?

(PhysOrg.com) -- Decades of drought, interspersed with intense monsoon rains, may have helped bring about the fall of Cambodia’s ancient Khmer civilization at Angkor nearly 600 years ago, according to an analysis of tree ...

dateMar 29, 2010 in Earth Sciences
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Landsat satellites see Texas crop circles

(Phys.org) -- A water-rich polka dot pattern takes over the traditional rectangular patchwork of fields in this time series animation of 40 years of Landsat images. In the dry Texas panhandle near the town of Dalhart, this ...

dateApr 27, 2012 in Earth Sciences
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