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Cross section through Antarctic ice. Copyright, Christoph Nehrbass-Ahles, University of Cambridge.

Cross section view of an ice core retrieved from the Skytrain Ice Rise (Antarctica) by the ERC-funded WArm Climate Stability of West Antarctic ice sheet in the last INterglacial (WACSWAIN) Project. Bubbles of ancient air trapped in the ice (image to the right) can be used to reconstruct the past atmospheric composition. Image copyright, Christoph Nehrbass-Ahles, University of Cambridge.
Cross section through Antarctic ice. Copyright, Christoph Nehrbass-Ahles, University of Cambridge.
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