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
Source PublicationNATURE COMMUNICATIONS
Volume7
SubtypeArticle
AbstractVertical 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
Indexed BySCI
Language英语
WOS IDWOS:000375609500001
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/131036
Collection海洋环流与波动重点实验室
Affiliation1.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
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
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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