When was the first ice core drilled for climate history?
Quick Answer
Ice core drilling for climate research began in the mid-20th century, with major Antarctic and Greenland cores taken in the 1950s and later decades. These cores preserved ancient air bubbles and climate clues.
The Full Story
The first important ice cores used for climate reconstruction were drilled in the mid-20th century, especially in Greenland and Antarctica. Scientists quickly realized that layered ice could preserve a timeline of snowfall, volcanic ash, and tiny bubbles of ancient atmosphere. By analyzing these cores, researchers could reconstruct past temperatures and greenhouse gas levels going back hundreds of thousands of years. Ice cores became one of the most important tools in climate science.
Key Facts
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"Ice that stores the history of Earth’s atmosphere"
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