气候变化领域集成服务门户(CCPortal): Ventilation of the deep southern ocean and deglacial CO2 rise

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DOI	10.1126/science.1183627
	Ventilation of the deep southern ocean and deglacial CO2 rise
	Skinner L.C.; Fallon S.; Waelbroeck C.; Michel E.; Barker S.
发表日期	2010
ISSN	0036-8075
起始页码	1147
结束页码	1151
卷号	328 期号:5982
英文摘要	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.
英文关键词	carbon dioxide; water; atmospheric chemistry; carbon dioxide; carbon sequestration; concentration (composition); deep water; deglaciation; glacial-interglacial cycle; Last Glacial; overturn; paleoatmosphere; radiocarbon dating; upwelling; ventilation; Antarctica; article; atmosphere; deep sea; deglaciation; hypothesis; priority journal; Southern Ocean
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/245512
作者单位	Godwin Laboratory for Palaeoclimate Research, Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge CB2 3EQ, United Kingdom; Research School of Earth Sciences, Australian National University (ANU), Canberra, ACT 0200, Australia; Laboratoire des Sciences du Climat et l'Environnement, Institut Pierre-Simon Laplace, Laboratoire CNRS-CEA-UVSQ, Avenue de la Terrasse, F-91198, Gif-sur-Yvette Cedex, France; School of Earth and Ocean Sciences, Cardiff University, Cardiff CF10 3YE, United Kingdom
推荐引用方式 GB/T 7714	Skinner L.C.,Fallon S.,Waelbroeck C.,et al. Ventilation of the deep southern ocean and deglacial CO2 rise[J],2010,328(5982).
APA	Skinner L.C.,Fallon S.,Waelbroeck C.,Michel E.,&Barker S..(2010).Ventilation of the deep southern ocean and deglacial CO2 rise.Science,328(5982).
MLA	Skinner L.C.,et al."Ventilation of the deep southern ocean and deglacial CO2 rise".Science 328.5982(2010).