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Whose name is attached to the layer that marks the end of the last Ice Age in Greenland ice cores?
Quick Answer
The Younger Dryas is a climate event, but the Greenland ice-core work of Willi Dansgaard helped reveal it. He pioneered stable-isotope analysis in ice cores.
The Full Story
Danish scientist Willi Dansgaard transformed paleoclimatology by showing that ratios of oxygen isotopes in ice cores can track past temperature. His work on Greenland ice cores in the 1950s and later decades helped identify abrupt climate shifts, including the Younger Dryas. This event is a famous cold interval near the end of the last glacial period. Dansgaard’s methods made ice cores one of the most important archives of Earth’s climate history.
Key Facts
1.ice-core isotope work began in the 1950s
2.records abrupt climate changes like the Younger Dryas
3.oxygen isotopes can indicate past temperatures
YouTube Angle
Suggested video title for this topic:
"Ice cores: Earth’s climate diary in frozen layers"
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