Tropical forcing of increased Southern Ocean climate variability revealed by a 140-year subantarctic temperature reconstruction

Turney, Chris S. M.; Fogwill, Christopher J.; Palmer, Jonathan G.; van Sebille, Erik; Thomas, Zoë; McGlone, Matt; Richardson, Sarah; Wilmshurst, Janet M.; Fenwick, Pavla; Zunz, Violette; Goosse, Hugues; Wilson, Kerry-Jayne; Carter, Lionel; Lipson, Mathew; Jones, Richard T.; Harsch, Melanie; Clark, Graeme; Marzinelli, Ezequiel; Rogers, Tracey; Rainsley, Eleanor; Ciasto, Laura; Waterman, Stephanie; Thomas, Elizabeth R.; Visbeck, Martin

doi:https://doi.org/10.5194/cp-13-231-2017

Articles | Volume 13, issue 3

https://doi.org/10.5194/cp-13-231-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue:

Southern perspectives on climate and the environment from...

https://doi.org/10.5194/cp-13-231-2017

© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 13, issue 3

Research article

|

15 Mar 2017

Research article |

| 15 Mar 2017

Tropical forcing of increased Southern Ocean climate variability revealed by a 140-year subantarctic temperature reconstruction

Chris S. M. Turney, Christopher J. Fogwill, Jonathan G. Palmer, Erik van Sebille, Zoë Thomas, Matt McGlone, Sarah Richardson, Janet M. Wilmshurst, Pavla Fenwick, Violette Zunz, Hugues Goosse, Kerry-Jayne Wilson, Lionel Carter, Mathew Lipson, Richard T. Jones, Melanie Harsch, Graeme Clark, Ezequiel Marzinelli, Tracey Rogers, Eleanor Rainsley, Laura Ciasto, Stephanie Waterman, Elizabeth R. Thomas, and Martin Visbeck

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Final revised paper (published on 15 Mar 2017)
Supplement to the final revised paper
Preprint (discussion started on 21 Nov 2016)
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Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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RC1: 'Review of Turney et al. 2016', Anonymous Referee #1, 16 Dec 2016
RC2: 'Review comments', Anonymous Referee #2, 24 Dec 2016
RC3: 'Review of Turney et al.', Anonymous Referee #3, 29 Dec 2016
AC1: 'Response to Reviewers Comments (cp-2016-114)', Christian Turney, 06 Feb 2017

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish as is (15 Feb 2017) by Andrew Lorrey

AR by Christian Turney on behalf of the Authors (17 Feb 2017) Author's response Manuscript

Short summary

The Southern Ocean plays a fundamental role in global climate but suffers from a dearth of observational data. As the Australasian Antarctic Expedition 2013–2014 we have developed the first annually resolved temperature record using trees from subantarctic southwest Pacific (52–54˚S) to extend the climate record back to 1870. With modelling we show today's high climate variability became established in the ~1940s and likely driven by a Rossby wave response originating from the tropical Pacific.