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	Scaling wind stirring effects in an oceanic bulk mixed layer model with application to an OGCM of the tropical Pacific
	Zhu, Yuchao1,2; Zhang, Rong-Hua1,2,3
	2018-09-01
发表期刊	CLIMATE DYNAMICS
ISSN	0930-7575
卷号	51期号:5-6页码:1927-1946
通讯作者	Zhang, Rong-Hua([email protected])
摘要	The mixed layer depth (MLD) plays an important role in the climate system through its influences on sea surface temperature (SST). The Kraus-Turner-Niiler (hereafter referred to as KTN) bulk mixed layer (ML) model is designed for describing the MLD and has been adopted widely by many ocean modeling. However, large biases exist in the MLD simulation using the original KTN model in the tropical Pacific. This is partly due to the uncertainties in representing wind stirring effect in the model, which is scaled by a parameter (m (0)). Traditionally, m (0) is taken as a constant uniformly in space. In this study, the m (0) is estimated as spatially and seasonally varying through its inverse calculation from a balance equation describing the turbulent kinetic energy (TKE) budget of the ML. It is illustrated that the m (0) is spatially varying over the tropical Pacific. The derived m (0) fields are then embedded into an ocean general circulation model (OGCM). Compared with the observations and the global ocean data assimilation system (GODAS) analyses, the MLD simulations in the OGCM with varying m (0) are substantially improved in the tropical Pacific Ocean on seasonal and interannual time scales. Additionally, the Pacific subtropical cells (STCs) become intensified, accompanied with the strengthening of upwelling in the eastern equatorial Pacific; thus, more realistic simulations are obtained in spatially and seasonally varying m (0) case compared with the constant m (0) case. As the related cooling effect from the upwelling is enhanced, the simulated SST is slightly cooled down in the eastern equatorial Pacific. Further applications and implications are also discussed.
关键词	Bulk mixed layer Optimizing wind stirring effect Ocean circulation models
DOI	10.1007/s00382-017-3990-5
收录类别	SCI
语种	英语
资助项目	CAS Strategic Priority Project (Western Pacific Ocean System)[XDA11010105]###2179; CAS Strategic Priority Project (Western Pacific Ocean System)[XDA11020306]###2180; National Natural Science Foundation of China (NFSC)[41690122(41690120)]###521; National Natural Science Foundation of China (NFSC)[41421005]###523; Taishan Scholarship and Qingdao Innovative Program[13-CX-22]###2181; CAS Strategic Priority Project (Western Pacific Ocean System)[XDA11010105]; CAS Strategic Priority Project (Western Pacific Ocean System)[XDA11020306]; National Natural Science Foundation of China (NFSC)[41690122(41690120)]; National Natural Science Foundation of China (NFSC)[41421005]; Taishan Scholarship and Qingdao Innovative Program[13-CX-22]
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000442433200019
出版者	SPRINGER
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.qdio.ac.cn/handle/337002/159934
专题	海洋环流与波动重点实验室
通讯作者	Zhang, Rong-Hua
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Qingdao Natl Lab Marine Sci & Technol, Qingdao, Peoples R China
第一作者单位	海洋环流与波动重点实验室
通讯作者单位	海洋环流与波动重点实验室
推荐引用方式 GB/T 7714	Zhu, Yuchao,Zhang, Rong-Hua. Scaling wind stirring effects in an oceanic bulk mixed layer model with application to an OGCM of the tropical Pacific[J]. CLIMATE DYNAMICS,2018,51(5-6):1927-1946.
APA	Zhu, Yuchao,&Zhang, Rong-Hua.(2018).Scaling wind stirring effects in an oceanic bulk mixed layer model with application to an OGCM of the tropical Pacific.CLIMATE DYNAMICS,51(5-6),1927-1946.
MLA	Zhu, Yuchao,et al."Scaling wind stirring effects in an oceanic bulk mixed layer model with application to an OGCM of the tropical Pacific".CLIMATE DYNAMICS 51.5-6(2018):1927-1946.

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