The role of Equatorial Undercurrent in sustaining the Eastern Indian Ocean upwelling
Chen, Gengxin1,2; Han, Weiqing2; Shu, Yeqiang1; Li, Yuanlong2; Wang, Dongxiao1; Xie, Qiang1,3
2016-06-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
卷号43期号:12页码:6444-6451
摘要By combining volume transport and salinity analysis from 1958 to 2014, this paper investigates how the transient Equatorial Undercurrent (EUC) sustains the summer-fall equatorial eastern Indian Ocean (EIO) upwelling. On seasonal time scales, the EIO upwelling is mainly supplied by the salty water from the western basin through a buffering process: The winter-spring EUC carries the salty water from the western basin eastward, induces downwelling in the EIO, and pushes portion of the salty water below the central thermocline, which subsequently upwells to the central thermocline during summer-fall and sustains the EIO upwelling. On interannual time scales, enhanced upwelling occurs during positive Indian Ocean Dipole (+IOD) years. The strong summer-fall EUC associated with the +IOD supplies water for the intensified upwelling. This research provides new knowledge for basin-scale mass and property exchanges associated with the EIO upwelling, contributing to our understanding of three-dimensional ocean circulation and climate variability.
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1002/2016GL069433
收录类别SCI
语种英语
关键词[WOS]INTRASEASONAL VARIABILITY ; INTERANNUAL VARIABILITY ; ZONAL CURRENTS ; INDO-PACIFIC ; DIPOLE EVENTS ; DYNAMICS ; THERMOCLINE ; THROUGHFLOW ; TRANSPORTS ; FREQUENCY
WOS类目Geosciences, Multidisciplinary
WOS记录号WOS:000380910100064
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.idsse.ac.cn/handle/183446/1604
专题深海科学研究部_海洋环流观测与数值模拟研究室
作者单位1.Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China
2.Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA
3.Chinese Acad Sci, Sanya Inst Deep Sea Sci & Engn, Sanya, Peoples R China
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Chen, Gengxin,Han, Weiqing,Shu, Yeqiang,et al. The role of Equatorial Undercurrent in sustaining the Eastern Indian Ocean upwelling[J]. GEOPHYSICAL RESEARCH LETTERS,2016,43(12):6444-6451.
APA Chen, Gengxin,Han, Weiqing,Shu, Yeqiang,Li, Yuanlong,Wang, Dongxiao,&Xie, Qiang.(2016).The role of Equatorial Undercurrent in sustaining the Eastern Indian Ocean upwelling.GEOPHYSICAL RESEARCH LETTERS,43(12),6444-6451.
MLA Chen, Gengxin,et al."The role of Equatorial Undercurrent in sustaining the Eastern Indian Ocean upwelling".GEOPHYSICAL RESEARCH LETTERS 43.12(2016):6444-6451.
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