Mesoscale Surface Wind-SST Coupling in a High-Resolution CESM Over the KE and ARC Regions

doi:10.1029/2021MS002822

IOCAS-IR

	Mesoscale Surface Wind-SST Coupling in a High-Resolution CESM Over the KE and ARC Regions
	Tang, Zhijia 1,2; Zhang, Rong-Hua 1,2,3,4; Wang, Hongna 1,3; Zhang, Shaoqing 3,5,6,7; Wang, Hong 3,5,6,7
	2021-12-01
发表期刊	JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS
卷号	13 期号:12 页码:16
通讯作者	Zhang, Rong-Hua(rzhang@qdio.ac.cn)
摘要	A strong positive correlation exists between mesoscale sea surface temperature (SST) and surface wind stress perturbations in the extratropical oceans, which is revealed by high-resolution satellite but is difficult to be accurately simulated in low-resolution coupled ocean-atmosphere models. The extent to which the mesoscale coupling is captured in a high-resolution Community Earth System Model (CESM-HR) is assessed in this study, with a focus on two regions, the Kuroshio Extensions (KE) and Agulhas Return Current (ARC), respectively. Compared with satellite observations, it is found that the CESM-HR can well depict the characteristics of the mesoscale air-sea coupling, with its strength being comparable to that observed; but in the KE region, the simulated strength is only half of the observed during summer. Mechanisms for the atmospheric responses to mesoscale SST perturbations through the pressure adjustment (PA) and the downward momentum transport (DMT) are analyzed. The results highlight different mechanisms for controlling the atmospheric responses over the KE and ARC regions, which are regionally and seasonally dependent. In the ARC region, pronounced dipole patterns of sea surface pressure (SLP) and vertical velocity perturbation responses indicate that the DMT exerts a dominant effect in both winter and summer. In the KE region, monopole patterns show the main role played by the PA mechanism for the atmospheric adjustment in summer, while dipole patterns indicate the main role played by the DMT mechanism in winter. The weak coupling strength in summer over the KE is closely related to the inadequate parameterization of vertical heat mixing.
关键词	mesoscale coupling atmospheric response mechanisms high-resolution climate model the Kuroshio Extensions (KE) the Agulhas Return Current (ARC)
DOI	10.1029/2021MS002822
收录类别	SCI
语种	英语
资助项目	Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19060102] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB40000000] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB46000000] ; National Natural Science Foundation of China (NFSC)[42030410] ; National Natural Science Foundation of China (NFSC)[41690122 (41690120)] ; National Natural Science Foundation of China (NFSC)[41830964] ; National Natural Science Foundation of China (NFSC)[41775100] ; National Key Research and Development Program of China[2017YFA0603203] ; National Key Research and Development Program of China[2017YFC1404102(2017YF-C1404100)] ; Shandong Province's Taishan Scientist Project[ts201712017] ; Qingdao Creative and Initiative frontier Scientist Program[19-3-2-7-zhc]
WOS研究方向	Meteorology & Atmospheric Sciences
WOS类目	Meteorology & Atmospheric Sciences
WOS记录号	WOS:000739722900003
出版者	AMER GEOPHYSICAL UNION
WOS关键词	NUMERICAL WEATHER PREDICTION ; AIR-SEA INTERACTION ; LOW-LEVEL WINDS ; KUROSHIO EXTENSION ; SATELLITE-OBSERVATIONS ; ATMOSPHERIC RESPONSE ; FLUX MEASUREMENTS ; SOUTHERN-OCEAN ; TEMPERATURE ; STRESS
引用统计
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/177652
通讯作者	Zhang, Rong-Hua
作者单位	1.Chinese Acad Sci, Ctr Ocean Megasci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China 3.Pilot Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China 4.Chinese Acad Sci, Ctr Excellence Quaternary Sci & Global Change, Xian, Peoples R China 5.Ocean Univ China, Frontiers Sci Ctr Deep Ocean Multispheres & Earth, Inst Adv Ocean Study, Key Lab Phys Oceanog,Minist Educ, Qingdao, Peoples R China 6.Int Lab High Resolut Earth Syst Model & Predict i, Qingdao, Peoples R China 7.Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao, Peoples R China
推荐引用方式 GB/T 7714	Tang, Zhijia,Zhang, Rong-Hua,Wang, Hongna,et al. Mesoscale Surface Wind-SST Coupling in a High-Resolution CESM Over the KE and ARC Regions[J]. JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS,2021,13(12):16.
APA	Tang, Zhijia,Zhang, Rong-Hua,Wang, Hongna,Zhang, Shaoqing,&Wang, Hong.(2021).Mesoscale Surface Wind-SST Coupling in a High-Resolution CESM Over the KE and ARC Regions.JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS,13(12),16.
MLA	Tang, Zhijia,et al."Mesoscale Surface Wind-SST Coupling in a High-Resolution CESM Over the KE and ARC Regions".JOURNAL OF ADVANCES IN MODELING EARTH SYSTEMS 13.12(2021):16.