IOCAS-IR  > 海洋环流与波动重点实验室
Deep-reaching thermocline mixing in the equatorial pacific cold tongue
Liu, Chuanyu1,2,3; Kohl, Armin1; Liu, Zhiyu4,5; Wang, Fan2,3; Stammer, Detlef1
2016-05-01
发表期刊NATURE COMMUNICATIONS
卷号7
文章类型Article
摘要Vertical mixing is an important factor in determining the temperature, sharpness and depth of the equatorial Pacific thermocline, which are critical to the development of El Nino and Southern Oscillation (ENSO). Yet, properties, dynamical causes and large-scale impacts of vertical mixing in the thermocline are much less understood than that nearer the surface. Here, based on Argo float and the Tropical Ocean and Atmosphere (TAO) mooring measurements, we identify a large number of thermocline mixing events occurring down to the lower half of the thermocline and the lower flank of the Equatorial Undercurrent (EUC), in particular in summer to winter. The deep-reaching mixing events occur more often and much deeper during periods with tropical instability waves (TIWs) than those without and under La Nina than under El Nino conditions. We demonstrate that the mixing events are caused by lower Richardson numbers resulting from shear of both TIWs and the EUC.
DOI10.1038/ncomms11576
收录类别SCI
语种英语
WOS记录号WOS:000375609500001
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/131036
专题海洋环流与波动重点实验室
作者单位1.Univ Hamburg UHH, Ctr Earth Syst Res & Sustainabil CEN, Inst Oceanog, D-20146 Hamburg, Germany
2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves KLOCAW, Nanhai Rd 7, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol QNLM, Funct Lab Ocean & Climate Dynam, Qingdao 266237, Peoples R China
4.Xiamen Univ, Coll Ocean & Earth Sci, State Key Lab Marine Environm Sci MEL, Xiamen 361102, Peoples R China
5.Xiamen Univ, Coll Ocean & Earth Sci, Dept Phys Oceanog, Xiamen 361102, Peoples R China
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Liu, Chuanyu,Kohl, Armin,Liu, Zhiyu,et al. Deep-reaching thermocline mixing in the equatorial pacific cold tongue[J]. NATURE COMMUNICATIONS,2016,7.
APA Liu, Chuanyu,Kohl, Armin,Liu, Zhiyu,Wang, Fan,&Stammer, Detlef.(2016).Deep-reaching thermocline mixing in the equatorial pacific cold tongue.NATURE COMMUNICATIONS,7.
MLA Liu, Chuanyu,et al."Deep-reaching thermocline mixing in the equatorial pacific cold tongue".NATURE COMMUNICATIONS 7(2016).
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