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  Global temperature modes shed light on the Holocene temperature conundrum

Bader, J., Jungclaus, J., Krivova, N. A., Lorenz, S., Maycock, A., Raddatz, T., et al. (2020). Global temperature modes shed light on the Holocene temperature conundrum. Nature Communications, 11(1): 4726. doi:10.1038/s41467-020-18478-6.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0007-4D46-5 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-4D47-4
Genre: Journal Article

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 Creators:
Bader, Jürgen, Author
Jungclaus, Johann, Author
Krivova, Natalie A.1, Author              
Lorenz, Stephan, Author
Maycock, Amanda, Author
Raddatz, Thomas, Author
Schmidt, Hauke, Author
Toohey, Matthew, Author
Wu, Chi-Ju1, Author              
Claussen, Martin, Author
Affiliations:
1Department Sun and Heliosphere, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832289              

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 Abstract: Reconstructions of the global mean annual temperature evolution during the Holocene yield conflicting results. One temperature reconstruction shows global cooling during the late Holocene. The other reconstruction reveals global warming. Here we show that both a global warming mode and a cooling mode emerge when performing a spatio-temporal analysis of annual temperature variability during the Holocene using data from a transient climate model simulation. The warming mode is most pronounced in the tropics. The simulated cooling mode is determined by changes in the seasonal cycle of Arctic sea-ice that are forced by orbital variations and volcanic eruptions. The warming mode dominates in the mid-Holocene, whereas the cooling mode takes over in the late Holocene. The weighted sum of the two modes yields the simulated global temperature trend evolution. Our findings have strong implications for the interpretation of proxy data and the selection of proxy locations to compute global mean temperatures.

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Language(s): eng - English
 Dates: 2020
 Publication Status: Published online
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1038/s41467-020-18478-6
 Degree: -

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Title: Nature Communications
  Abbreviation : Nat. Commun.
Source Genre: Journal
 Creator(s):
Affiliations:
Publ. Info: London : Nature Publishing Group
Pages: - Volume / Issue: 11 (1) Sequence Number: 4726 Start / End Page: - Identifier: ISSN: 2041-1723
CoNE: https://pure.mpg.de/cone/journals/resource/2041-1723