Antarctic temperatures and atmospheric carbon dioxide levels generally co-varied at the end of glacial periods. Detailed analysis of an Antarctic ice core suggests a decoupling during the deglaciation 130,000 years ago, possibly linked to a strengthening of ocean circulation.
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Severinghaus, J. Deglacial decoupling. Nature Geosci 6, 994–995 (2013). https://doi.org/10.1038/ngeo2023
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DOI: https://doi.org/10.1038/ngeo2023
