Articles | Volume 21, issue 9
https://doi.org/10.5194/cp-21-1533-2025
https://doi.org/10.5194/cp-21-1533-2025
Research article
 | 
08 Sep 2025
Research article |  | 08 Sep 2025

Speleothem evidence for Late Miocene extreme Arctic amplification – an analogue for near-future anthropogenic climate change?

Stuart Umbo, Franziska Lechleitner, Thomas Opel, Sevasti Modestou, Tobias Braun, Anton Vaks, Gideon Henderson, Pete Scott, Alexander Osintzev, Alexandr Kononov, Irina Adrian, Yuri Dublyansky, Alena Giesche, and Sebastian F. M. Breitenbach

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Short summary
We use cave rocks to reconstruct northern Siberian climate in 8.68 ± 0.09 Ma. We show that when the global average temperature was about 4.5 °C warmer than today (similar to what is expected in the coming decades should carbon emissions continue unabated), the Siberian Arctic temperature increased by more than 18 °C. 
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