Turbulent Mixing in the Barrier Layer of the Equatorial Pacific Ocean

doi:10.1029/2021GL097690

IOCAS-IR > 海洋环流与波动重点实验室

	Turbulent Mixing in the Barrier Layer of the Equatorial Pacific Ocean
	Liu, Chuanyu 1,2,3,4; Huo, Dan1,2 ; Liu, Zhiyu 5,6; Wang, Xiaowei 1,3,4; Guan, Cong1,3,4 ; Qi, Jifeng 1,2,3,4; Wang, Fan1,2,3,4
	2022-03-16
发表期刊	GEOPHYSICAL RESEARCH LETTERS
ISSN	0094-8276
卷号	49 期号:5 页码:9
通讯作者	Liu, Chuanyu(chuanyu.liu@qdio.ac.cn) ; Wang, Fan(fwang@qdio.ac.cn)
摘要	The barrier layer (BL) is an expansive halocline layer commonly found in the western equatorial Pacific, long been thought to inhibit entrainment of colder thermocline water into the surface mixed layer (ML), consequently facilitating the development of El Nino. But here we find frequent turbulent mixing in the BL from both direct turbulence measurements and indirect mixing estimates within an 11-year-long Argo profile data set. The observed BL mixing is as strong as in the ML, yielding effective heat transfers across the isothermal layer (IL) base. The estimated BL mixing is ubiquitous, with occurrence ranging 20%-60% spatially and peaking at around 160 degrees W, 0 degrees N; it occurs more frequently in La Nina than El Nino years. The BL mixing is associated with thicker ML, BL, and IL, weaker BL stratification, and lower temperature and higher salinity in the IL. How the BL mixing may impact the El Nino development deserves further exploration.
关键词	barrier layer turbulent mixing El Nino equatorial Pacific Ocean Argo diffusivity
DOI	10.1029/2021GL097690
收录类别	SCI
语种	英语
资助项目	Strategic Priority Research Program of Chinese Academy of Sciences (CAS)[XDB42000000] ; Key Research Program of Frontier Sciences of CAS[QYZDB-SSW-DQC030] ; National Natural Science Foundation of China[NSFC 41976012] ; National Natural Science Foundation of China[41806015] ; National Natural Science Foundation of China[42090044] ; National Natural Science Foundation of China[91858201] ; NSFC[41730534]
WOS研究方向	Geology
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000773409300037
出版者	AMER GEOPHYSICAL UNION
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/178640
专题	海洋环流与波动重点实验室
通讯作者	Liu, Chuanyu; Wang, Fan
作者单位	1.Chinese Acad Sci IOCAS, CAS Key Lab Ocean Circulat & Waves, Inst Oceanol, Qingdao, Peoples R China 2.Univ Chinese Acad Sci UCAS, Coll Earth & Planetary Sci, Beijing, Peoples R China 3.Pilot Natl Lab Marine Sci & Technol QNLM, Marine Dynam Proc & Climate Funct Lab, Qingdao, Peoples R China 4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao, Peoples R China 5.Xiamen Univ, State Key Lab Marine Environm Sci, Xiamen, Peoples R China 6.Xiamen Univ, Dept Phys Oceanog, Coll Ocean & Earth Sci, Xiamen, Peoples R China
第一作者单位	中国科学院海洋研究所
通讯作者单位	中国科学院海洋研究所
推荐引用方式 GB/T 7714	Liu, Chuanyu,Huo, Dan,Liu, Zhiyu,et al. Turbulent Mixing in the Barrier Layer of the Equatorial Pacific Ocean[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(5):9.
APA	Liu, Chuanyu.,Huo, Dan.,Liu, Zhiyu.,Wang, Xiaowei.,Guan, Cong.,...&Wang, Fan.(2022).Turbulent Mixing in the Barrier Layer of the Equatorial Pacific Ocean.GEOPHYSICAL RESEARCH LETTERS,49(5),9.
MLA	Liu, Chuanyu,et al."Turbulent Mixing in the Barrier Layer of the Equatorial Pacific Ocean".GEOPHYSICAL RESEARCH LETTERS 49.5(2022):9.

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