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|a The Deglacial Evolution of North Atlantic Deep Convection |h [electronic resource] |y English. |
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|a 1200 New York Avenue NW, Washigton, DC 20005 : |b American Association for the Advancement of Science, |c 2011-01-14. |
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|a Please contact the owning institution for licensing and permissions. It is the user's responsibility to ensure use does not violate any third party rights. |
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|a Deepwater formation in the North Atlantic by open-ocean convection is an essential component of the
overturning circulation of the Atlantic Ocean, which helps regulate global climate. We use water-column
radiocarbon reconstructions to examine changes in northeast Atlantic convection since the Last Glacial
Maximum. During cold intervals, we infer a reduction in open-ocean convection and an associated
incursion of an extremely radiocarbon (14C)–depleted watermass, interpreted to be Antarctic Intermediate
Water. Comparing the timing of deep convection changes in the northeast and northwest Atlantic, we
suggest that, despite a strong control on Greenland temperature by northeast Atlantic convection, reduced
open-ocean convection in both the northwest and northeast Atlantic is necessary to account for
contemporaneous perturbations in atmospheric circulation. |
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|a Electronic reproduction. |c Florida International University, |d 2015. |f (dpSobek) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a atmospheric circulation. |
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|a North Atlantic Region. |
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|a David J.R. Thornalley. |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15042552/00001 |y Click here for full text |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/04/25/52/00001/FI15042552_thm.jpg |
