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Climate change research

Climate change research

E215/0308

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Credit

BRITISH ANTARCTIC SURVEY / SCIENCE PHOTO LIBRARY BRITISH ANTARCTIC SURVEY / SCIENCE PHOTO LIBRARY

Caption

Climate change researchers drilling for historical atmosphere samples to compare to modern samples. The air trapped in the firn (the upper layer of frozen snow) is untainted by the atmospheric air, and thus provides direct evidence of what the composition of the atmosphere was at the time when the firn froze. This research was done as part of the FIRETRACC project (Firn Record of Trace Gases Relevant to Atmospheric Chemical Change). Studying how the atmosphere has changed can lead to better models for predicting how it will change in the future. Photographed in Dronning Maud Land, Antarctica.

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