Articles | Volume 14, issue 4
Clim. Past, 14, 527–557, 2018
Clim. Past, 14, 527–557, 2018

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 et al.


Interactive discussion

Status: closed
Status: closed
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
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Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision
ED: Reconsider after major revisions (09 Jul 2017) by Darrell Kaufman
AR by Anna Mirena Feist-Polner on behalf of the Authors (08 Dec 2017)  Author's response
ED: Referee Nomination & Report Request started (15 Jan 2018) by Hugues Goosse
RR by Anonymous Referee #1 (11 Feb 2018)
RR by Nicholas McKay (14 Feb 2018)
ED: Publish subject to minor revisions (review by editor) (14 Feb 2018) by Hugues Goosse
AR by Johannes Werner on behalf of the Authors (23 Feb 2018)  Author's response    Manuscript
ED: Publish as is (01 Mar 2018) by Hugues Goosse
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.