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|a Ventilation of the Deep Southern Ocean and Deglcaial CO 2 Rise |h [electronic resource] |y English. |
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|a 1200 New York Avenue NW, Washington, DC 20005 : |b American Association for the Advancement of Science, |c 2010-05-28. |
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|a Science Magazine Volume 328. |
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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 Past glacial-interglacial increases in the concentration of atmospheric carbon dioxide (CO2) are thought
to arise from the rapid release of CO2 sequestered in the deep sea, primarily via the Southern Ocean.
Here, we present radiocarbon evidence from the Atlantic sector of the Southern Ocean that strongly
supports this hypothesis. We show that during the last glacial period, deep water circulating around
Antarctica was more than two times older than today relative to the atmosphere. During deglaciation, the
dissipation of this old and presumably CO2-enriched deep water played an important role in the pulsed
rise of atmospheric CO2 through its variable influence on the upwelling branch of the Antarctic
overturning 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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|t Ventilation of the Deep Southern Ocean and Deglacial CO 2 Rise |
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|a dpSobek |c Sea Level Rise |
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|u http://dpanther.fiu.edu/dpService/dpPurlService/purl/FI15050300/00001 |y Click here for full text |
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|3 FULL TEXT- Ventilation of the Deep Southern Ocean and Deglcaial CO 2 Rise |u http://science.sciencemag.org/content/328/5982/1147 |y Ventilation of the Deep Southern Ocean and Deglacial CO 2 Rise |
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|a http://dpanther.fiu.edu/sobek/content/FI/15/05/03/00/00001/FI15050300_thm.jpg |
