Decadal Variability of North Pacific Eastern Subtropical Mode Water

doi:10.1029/2018JC013890

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	Decadal Variability of North Pacific Eastern Subtropical Mode Water
	Guo, Yongqing 1,2; Lin, Xiaopei 1,2; Wei, Meng 3,4; Liu, Cong 1,2; Men, Guang 5
	2018-09-01
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN	2169-9275
卷号	123 期号:9 页码:6189-6206
摘要	A significant decadal variability of the North Pacific Eastern Subtropical Mode Water (NPESTMW), related to the Pacific Decadal Oscillation, is identified from the gridded Argo and EN4 observational data sets. To investigate the decadal variability of the NPESTMW volume, the high-resolution Estimating the Circulation and Climate of the Ocean, Phase II simulation is used to diagnose the volume budget of the NPESTMW density layer in the NPESTMW formation region (20 degrees-36 degrees N, 160 degrees-120 degrees W) between 1992 and 2016. Results show that NPESTMW is formed through subduction of low potential vorticity (PV) water. This low-PV water subduction is mainly determined by mixed layer depth change and lateral induction, which account for approximately 58% and 32%, respectively. The decadal NPESTMW volume anomaly is originated from the Pacific Decadal Oscillation-induced decadal anomaly of air-sea buoyancy flux. This decadal buoyancy flux anomaly drives the decadal anomaly of mixed layer depth change, then causes anomalous subduction, and leads to anomalous low-PV water subduction. The decadal NPESTMW volume anomaly is finally generated by this anomalous low-PV water subduction.
DOI	10.1029/2018JC013890
关键词[WOS]	GENERAL-CIRCULATION MODEL ; HIGH-RESOLUTION GCM ; WINTER MIXED-LAYER ; MASS FORMATION ; SUBDUCTION RATE ; OCEAN ; TEMPERATURE ; ANOMALIES ; RATES ; TRANSFORMATION
语种	英语
资助项目	China's National Key Research and Development projects[2016YFA0601803] ; National Natural Science Foundation of China[41490641] ; National Natural Science Foundation of China[41521091] ; National Natural Science Foundation of China[U1606402] ; Qingdao National Laboratory for Marine Science and Technology[2017ASKJ01]
WOS研究方向	Oceanography
项目资助者	China's National Key Research and Development projects ; National Natural Science Foundation of China ; Qingdao National Laboratory for Marine Science and Technology
WOS类目	Oceanography
WOS记录号	WOS:000447552600010
出版者	AMER GEOPHYSICAL UNION
引用统计
文献类型	期刊论文
条目标识符	http://ir.qibebt.ac.cn/handle/337004/11357
专题	中国科学院青岛生物能源与过程研究所
通讯作者	Lin, Xiaopei
作者单位	1.Ocean Univ China, CIMST, Phys Oceanog Lab, Qingdao, Peoples R China 2.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China 3.State Ocean Adm, Inst Oceanog 1, Qingdao, Peoples R China 4.Qingdao Natl Lab Marine Sci & Technol, Lab Reg Oceanog & Numer Modeling, Qingdao, Peoples R China 5.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Guo, Yongqing,Lin, Xiaopei,Wei, Meng,et al. Decadal Variability of North Pacific Eastern Subtropical Mode Water[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2018,123(9):6189-6206.
APA	Guo, Yongqing,Lin, Xiaopei,Wei, Meng,Liu, Cong,&Men, Guang.(2018).Decadal Variability of North Pacific Eastern Subtropical Mode Water.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,123(9),6189-6206.
MLA	Guo, Yongqing,et al."Decadal Variability of North Pacific Eastern Subtropical Mode Water".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 123.9(2018):6189-6206.