Articles | Volume 16, issue 2
https://doi.org/10.5194/cp-16-729-2020
https://doi.org/10.5194/cp-16-729-2020
Research article
 | 
09 Apr 2020
Research article |  | 09 Apr 2020

Differing pre-industrial cooling trends between tree rings and lower-resolution temperature proxies

Lara Klippel, Scott St. George, Ulf Büntgen, Paul J. Krusic, and Jan Esper

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Latest update: 11 Dec 2024
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Short summary
The PAGES2k multiproxy database offers a new and unique opportunity to study the lack of long-term cooling trends in tree-ring data, which can be expected in Northern Hemisphere summers, particularly in the high latitudes, due to orbitally driven changes in solar irradiance. Tests of different influencing factors reveal that preserving millennial-scale cooling trends related to orbital forcing is not feasible in most tree-ring datasets.