Articles | Volume 13, issue 3
Clim. Past, 13, 231–248, 2017
https://doi.org/10.5194/cp-13-231-2017

Special issue: Southern perspectives on climate and the environment from...

Clim. Past, 13, 231–248, 2017
https://doi.org/10.5194/cp-13-231-2017

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 et al.

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Cited articles

Abram, N. J., Mulvaney, R., Vimeux, F., Phipps, S. J., Turner, J., and England, M. H.: Evolution of the Southern Annular Mode during the past millennium, Nature Climate Change, 4, 564–569, https://doi.org/10.1038/nclimate2235, 2014.
Adamson, D. A., Whetton, P., and Selkirk, P. M.: An analysis of air temperature records for Macquarie Island: decadal warming, ENSO cooling and Southern Hemisphere circulation patterns, Papers and Proceedings of the Royal Society of Tasmania, 122, 107–112, 1988.
Baker, C., Chilvers, B., Constantine, R., DuFresne, S., Mattlin, R., Van Helden, A., and Hitchmough, R.: Conservation status of New Zealand marine mammals (suborders Cetacea and Pinnipedia), 2009, New Zeal J. Mar. Fresh., 44, 101–115, 2010.
Biondi, F. and Waikul, K.: DENDROCLIM2002: A C+ +  program for statistical calibration of climate signals in tree-ring chronologies, Comput. Geosci., 30, 303–311, https://doi.org/10.1016/j.cageo.2003.11.004, 2003.
Boersma, P. D. and Rebstock, G. A.: Climate change increases reproductive failure in Magellanic penguins, PLoS ONE, 9, e85602, https://doi.org/10.1371/journal.pone.0085602, 2014.
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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.