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Whose research first linked climate change to ancient ice cores?
Earth ScienceClimate Science
Quick Answer
Willi Dansgaard and colleagues pioneered the use of ice cores for paleoclimate research in the 1950s and 1960s. Ice cores preserve trapped bubbles of ancient atmosphere.
The Full Story
Danish scientist Willi Dansgaard was a pioneer in using stable isotopes in ice to reconstruct past climates. Ice cores from Greenland and Antarctica contain layers of snowfall that trap bubbles of ancient air, along with dust and chemical signals. These records revealed information about temperature, greenhouse gases, and volcanic eruptions over hundreds of thousands of years. Ice-core science became one of the most important tools in climate geology.
Key Facts
1.Ice-core research advanced in the 1950s and 1960s
2.Trapped air bubbles preserve ancient atmosphere
3.Records can extend back hundreds of thousands of years
YouTube Angle
Suggested video title for this topic:
"Ice can trap ancient air—and tell the story of Earth’s climate."