World

Revised tree ring data confirms ancient Mediterranean dates

By Kate Blackwood | August 26, 2020 Sturt Manning is leading investigations into the timelines of ancient events, using tree ring data to refine the widely used radiocarbon dating method. In research published Aug. 17 in Scientific Reports, Manning, the Goldwin Smith Professor of Classical Archaeology in the College of Arts and Sciences, fine-tunes date ranges for ancient events in Mesopotamia, Egypt and Anatolia, and a controversial volcanic eruption on ancient Thera. He and collaborators, including Brita Lorentzen, research associate in the Cornell Tree Ring Laboratory, used IntCal20, an international…

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