“What we thought was missing was how to link climate to people,” said Liviu Giosan, a geologist at the Woods Hole Oceanographic Institution in Massachusetts and the lead author of the study. “The answer came when we looked at the wide-scale morphology.”
Using satellite photos and topographical data, the researchers prepared digital maps of the Indus River landscape. They collected field samples to determine the age of sediments in the region and whether their structure was shaped by rivers or the wind. The information was then overlaid across prior archaeological findings, yielding a compelling new chronology of 10,000 years of human history and landscape changes, and what drove them.
May 30, 2012
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