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学科主题: Geosciences, Multidisciplinary
题名: Connection between the decadal variability in the Southern Ocean circulation and the Southern Annular Mode
作者: Yang, XY ; Wang, DX ; Wang, J ; Huang, RX
通讯作者: yxy@scsio.ac.cn ; dxwang@scsio.ac.cn
刊名: GEOPHYSICAL RESEARCH LETTERS
发表日期: 2007
卷: 34, 期:16, 页:-
收录类别: sci
部门归属: Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam LED, Guangzhou 510301, Peoples R China; Univ Alaska Fairbanks, Int Arct Res Ctr, Fairbanks, AK USA; Woods Hole Oceanog Inst, Dept Phys Oceanog, Woods Hole, MA 02543 USA
项目归属: LED
摘要: Previous studies demonstrated the remarkable upward trend of the Southern Annular Mode ( SAM) and Southern Ocean wind stress in association with anthropogenic forcing. An oceanic reanalysis data set is used to investigate the response of the circulation in the Southern Ocean to the decadal variability of SAM. Our results indicate the strengthening and the poleward shift of the northward Ekman velocity as well as the Ekman pumping rate, which led to a corresponding strengthening trend in the Deacon Cell. This strengthening, in turn, intensified the meridional density gradient and the tilting of the isopycnal surfaces. On the interannual time scale, the Antarctic Circumpolar Currents ( ACC) transport exhibits a positive correlation with SAM index as seen separately in observations. However, there is no significant trend in the total transport of ACC. Possible reasons are discussed.
原文出处: 查看原文
WOS记录号: WOS:000249027500005
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5873
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Yang, XY; Wang, DX; Wang, J; Huang, RX.Connection between the decadal variability in the Southern Ocean circulation and the Southern Annular Mode,GEOPHYSICAL RESEARCH LETTERS,2007,34(16):-
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文件名: Connection between the decadal variability in the Southern Ocean circulation and the Southern Annular Mode .pdf
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