Current Siberian heating is unprecedented during the past seven millennia

Rashit M. Hantemirov (), Christophe Corona, Sébastien Guillet, Stepan G. Shiyatov, Markus Stoffel, Timothy J. Osborn, Thomas M. Melvin, Ludmila A. Gorlanova, Vladimir V. Kukarskih, Alexander Y. Surkov, Georg Arx and Patrick Fonti
Additional contact information
Rashit M. Hantemirov: Ural Division of the Russian Academy of Sciences
Christophe Corona: University of Geneva
Sébastien Guillet: University of Geneva
Stepan G. Shiyatov: Ural Division of the Russian Academy of Sciences
Markus Stoffel: University of Geneva
Timothy J. Osborn: University of East Anglia
Thomas M. Melvin: University of East Anglia
Ludmila A. Gorlanova: Ural Division of the Russian Academy of Sciences
Vladimir V. Kukarskih: Ural Division of the Russian Academy of Sciences
Alexander Y. Surkov: Ural Division of the Russian Academy of Sciences
Georg Arx: Swiss Federal Research Institute WSL
Patrick Fonti: Swiss Federal Research Institute WSL

Nature Communications, 2022, vol. 13, issue 1, 1-8

Abstract: Abstract The Arctic is warming faster than any other region on Earth. Putting this rapid warming into perspective is challenging because instrumental records are often short or incomplete in polar regions and precisely-dated temperature proxies with high temporal resolution are largely lacking. Here, we provide this long-term perspective by reconstructing past summer temperature variability at Yamal Peninsula – a hotspot of recent warming – over the past 7638 years using annually resolved tree-ring records. We demonstrate that the recent anthropogenic warming interrupted a multi-millennial cooling trend. We find the industrial-era warming to be unprecedented in rate and to have elevated the summer temperature to levels above those reconstructed for the past seven millennia (in both 30-year mean and the frequency of extreme summers). This is undoubtedly of concern for the natural and human systems that are being impacted by climatic changes that lie outside the envelope of natural climatic variations for this region.

Date: 2022
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DOI: 10.1038/s41467-022-32629-x

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