Contact: Lonnie Thompson
Thompson.3@osu.edu
614-292-6652
Ohio State University

Map of Evidence

Caption: The locations of ice cores and evidence for abrupt climate change approximately 5,000 years ago discussed in the research are shown, along with areas of large-scale ice retreat.

Credit: Courtesy of Lonnie Thompson, Ohio State University.

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Related news release: First compilation of tropical ice cores shows two abrupt global climate shifts: One 5,000 years ago