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末次冰消期太平洋地区大洋通风研究及展望
Authors
周卫健
杨岭
程鹏
Publication date
1 January 2020
Publisher
Doi
Abstract
作为对气候变化敏感的温室气体,CO_2的变化和气候变化密切相关。末次冰消期(18.0~11.7ka)以来CO_2含量的大幅波动和大洋环流格局变化密切相关,尽管北大西洋和南大洋环流格局变化显著,但对于太平洋地区环流格局变化及其如何响应CO_2含量变化的波动尚无明确定论,合理阐述太平洋地区通风演变历史及其机制将有助于理解不同气候系统之间的相互作用机制。本文综述了末次冰消期以来太平洋地区大洋通风的研究现状,认为在冰消期冷期北太平洋主要被活跃的北太平洋中层水占据,而南太平洋则被携带有亏损碳库特征的南极中层水所占据,在冰消期暖期则恢复到现在的气候状态,这样的变化和大洋环流格局及CO_2浓度的变化密切相关。冰消期南北源水团的相互竞争可能主导着太平洋对全球气候的响应。另外,大洋表层储库年龄及深层水研究的缺乏极大地限制着当前太平洋地区大洋通风的研究。而不同深度的水团尤其是中层水的综合演化亟须建立
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Institutional Repository of Institute of Earth Environment, CAS
See this paper in CORE
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oai:ir.ieecas.cn:361006/14948
Last time updated on 16/09/2020
Institutional Repository of Institute of Earth Environment, CAS
See this paper in CORE
Go to the repository landing page
Download from data provider
oai:ir.ieecas.cn:361006/14946
Last time updated on 16/09/2020