@Revkin tweets related to: The Columbus Dispatch, Osu, Climate, Researchers, Rosetta

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Ice cores taken from a remote South American glacier are revealing a year-by-year tropical climate history over nearly two millennia. Like rings in a tree trunk, regular layers of ice and dust trapped in two ice cores offer the longest and most clearly defined record of annual changes in ocean temperatures and precipitation.
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OSU climate researchers discover 1,800-year-old 'Rosetta stone' ice cores | The Columbus Dispatch http://t.co/kBDDhfBTRn

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