140-year subantarctic tree-ring temperature reconstruction reveals tropical forcing of increased Southern Ocean climate variability

Chris SM Turney1, Christopher Joseph Fogwill2, Jonathan Gray Palmer3, Erik VanSebille4, Zoe Thomas1, Matt McGlone5, Sarah Richardson5, Janet Wilmshurst5, Pavla Fenwick6, Violette Zunz7, Hugues Goosse8, Kerry-Jayne Wilson9, Lionel Carter10, Mathew Lipson3, Richard T Jones11, Melanie Harsch12, Graeme Clark3, Ezequiel Marzinelli13, Tracey Rogers3, Eleanor Rainsley14, Laura Ciasto15, Stephanie Waterman16, Elizabeth Ruth Thomas17 and Martin Visbeck18, (1)University of New South Wales, Sydney, NSW, Australia, (2)University of New South Wales, Climate Change Research Centre, Sydney, NSW, Australia, (3)University of New South Wales, Sydney, Australia, (4)Imperial College London, Grantham Institue, London, United Kingdom, (5)Landcare Research, Hamilton, New Zealand, (6)Gondwana Tree-Ring Laboratory, Canterbury, New Zealand, (7)Rayference, Brussels, Belgium, (8)Université Catholique de Louvain, Earth and Life Institute, Centre de recherches sur la terre et le climat Georges Lemaître, Louvain-La-Neuve, Belgium, (9)West Coast Penguin Trust, Charleston, New Zealand, (10)Victoria University of Wellington, Wellington, New Zealand, (11)University of Exeter, Exeter, United Kingdom, (12)University of Washington Seattle Campus, Seattle, WA, United States, (13)Sydney Institute of Marine Science, Mosman, Australia, (14)University of Wollongong, Wollongong, Australia, (15)Geophysical Institute, Bergen, Norway, (16)University of British Columbia, Earth, Ocean and Atmospheric Sciences, Vancouver, BC, Canada, (17)NERC British Antarctic Survey, Cambridge, United Kingdom, (18)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany