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Rapid global ocean-...
Rapid global ocean-atmosphere response to Southern Ocean freshening during the last glacial
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- Turney, Chris S M (author)
- University of New South Wales
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- Jones, Richard T. (author)
- University of Exeter
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- Phipps, Steven J. (author)
- University of Tasmania,University of New South Wales
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- Thomas, Zoë A. (author)
- University of New South Wales
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- Hogg, Alan (author)
- University of Waikato
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- Kershaw, A. Peter (author)
- Monash University
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- Fogwill, Christopher J. (author)
- University of New South Wales
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- Palmer, Jonathan (author)
- University of New South Wales
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- Bronk Ramsey, Christopher (author)
- University of Oxford
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- Adolphi, Florian (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science,University of Bern
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- Muscheler, Raimund (author)
- Lund University,Lunds universitet,Kvartärgeologi,Geologiska institutionen,Naturvetenskapliga fakulteten,Quaternary Sciences,Department of Geology,Faculty of Science
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- Hughen, Konrad A. (author)
- Woods Hole Oceanographic Institution
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- Staff, Richard A. (author)
- Scottish Universities Environmental Research Centre,University of Oxford
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- Grosvenor, Mark (author)
- University of Exeter
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- Golledge, Nicholas R. (author)
- Te Herenga Waka / Victoria University of Wellington,GNS Science
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- Rasmussen, Sune Olander (author)
- University of Copenhagen
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- Hutchinson, David K. (author)
- Stockholms universitet,Stockholm University,Institutionen för geologiska vetenskaper
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- Haberle, Simon (author)
- Australian National University
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- Lorrey, Andrew (author)
- National Institute of Water and Atmospheric Research, New Zealand
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- Boswijk, Gretel (author)
- University of Auckland
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- Cooper, Alan (author)
- University of Adelaide
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(creator_code:org_t)
- 2017-09-12
- 2017
- English.
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In: Nature Communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 8:1
- Related links:
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http://dx.doi.org/10... (free)
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https://www.nature.c...
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https://doi.org/10.1...
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https://su.diva-port... (primary) (Raw object)
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
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- Contrasting Greenland and Antarctic temperatures during the last glacial period (115,000 to 11,650 years ago) are thought to have been driven by imbalances in the rates of formation of North Atlantic and Antarctic Deep Water (the 'bipolar seesaw'). Here we exploit a bidecadally resolved 14C data set obtained from New Zealand kauri (Agathis australis) to undertake high-precision alignment of key climate data sets spanning iceberg-rafted debris event Heinrich 3 and Greenland Interstadial (GI) 5.1 in the North Atlantic (~30,400 to 28,400 years ago). We observe no divergence between the kauri and Atlantic marine sediment 14C data sets, implying limited changes in deep water formation. However, a Southern Ocean (Atlantic-sector) iceberg rafted debris event appears to have occurred synchronously with GI-5.1 warming and decreased precipitation over the western equatorial Pacific and Atlantic. An ensemble of transient meltwater simulations shows that Antarctic-sourced salinity anomalies can generate climate changes that are propagated globally via an atmospheric Rossby wave train.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
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- art (subject category)
- ref (subject category)
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- By the author/editor
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Turney, Chris S ...
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Jones, Richard T ...
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Phipps, Steven J ...
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Thomas, Zoë A.
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Hogg, Alan
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Kershaw, A. Pete ...
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show more...
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Fogwill, Christo ...
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Palmer, Jonathan
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Bronk Ramsey, Ch ...
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Adolphi, Florian
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Muscheler, Raimu ...
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Hughen, Konrad A ...
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Staff, Richard A ...
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Grosvenor, Mark
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Golledge, Nichol ...
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Rasmussen, Sune ...
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Hutchinson, Davi ...
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Haberle, Simon
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Lorrey, Andrew
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Boswijk, Gretel
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Cooper, Alan
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
- Articles in the publication
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Nature Communica ...
- By the university
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Lund University
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Stockholm University