Robinson, Laura F. and Adkins, Jess F. and Keigwin, Lloyd D. and Southon, John and Fernandez, Diego P. and Wang, S.-L. and Scheirer, Daniel S. (2005) Radiocarbon Variability in the Western North Atlantic During the Last Deglaciation. Science, 310 (5753). pp. 1469-1473. ISSN 0036-8075 http://resolver.caltech.edu/CaltechAUTHORS:20120829-101808337
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We present a detailed history of glacial to Holocene radiocarbon in the deep western North Atlantic from deep-sea corals and paired benthic-planktonic foraminifera. The deglaciation is marked by switches between radiocarbon-enriched and -depleted waters, leading to large radiocarbon gradients in the water column. These changes played an important role in modulating atmospheric radiocarbon. The deep-ocean record supports the notion of a bipolar seesaw with increased Northern-source deep-water formation linked to Northern Hemisphere warming and the reverse. In contrast, the more frequent radiocarbon variations in the intermediate/deep ocean are associated with roughly synchronous changes at the poles.
|Additional Information:||© 2005 American Association for the Advancement of Science. Received for publication 13 May 2005; accepted 24 October 2005. Published online 3 November 2005. We acknowledge the Comer Foundation for Abrupt Climate Change, the Henry Luce Foundation, the American Chemical Society Petroleum Research Fund, and NSF grant numbers OCE-0096373 and OCE-0095331. We also thank all members of the cruise AT7-35 to the New England Seamounts.|
|Official Citation:||Radiocarbon Variability in the Western North Atlantic During the Last Deglaciation Laura F. Robinson, Jess F. Adkins, Lloyd D. Keigwin, John Southon, Diego P. Fernandez, S-L Wang, and Daniel S. Scheirer Science 2 December 2005: 310 (5753), 1469-1473.Published online 3 November 2005 [DOI:10.1126/science.1114832]|
|Usage Policy:||No commercial reproduction, distribution, display or performance rights in this work are provided.|
|Deposited By:||Ruth Sustaita|
|Deposited On:||29 Aug 2012 17:40|
|Last Modified:||29 Aug 2012 17:40|
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