Climate of the Past
Climate of the Past
CP
Articles | Volume 14, issue 4
Articles | Volume 14, issue 4
https://doi.org/10.5194/cp-14-527-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-14-527-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 14, issue 4
Research article
 | 
24 Apr 2018
Research article |  | 24 Apr 2018

Spatio-temporal variability of Arctic summer temperatures over the past 2 millennia

Johannes P. Werner, Dmitry V. Divine, Fredrik Charpentier Ljungqvist, Tine Nilsen, and Pierre Francus

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Short summary
We present a new gridded Arctic summer temperature reconstruction back to the first millennium CE. Our method respects the age uncertainties of the data, which results in a more precise reconstruction.

The spatial average shows a millennium-scale cooling trend which is reversed in the mid-19th century. While temperatures in the 10th century were probably as warm as in the 20th century, the spatial coherence of the recent warm episodes seems unprecedented.
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