IOCAS-IR  > 海洋环流与波动重点实验室
Numerical study on interaction between eddies and the Kuroshio Current east of Taiwan, China
Shi, Yunlong1,2; Yang, Dezhou2,3,4; He, Yijun1
2020-07-08
Source PublicationJOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN2096-5508
Pages15
Corresponding AuthorYang, Dezhou(yangdezhou@qdio.ac.cn)
AbstractWe investigated the interaction between mesoscale eddies and the Kuroshio Current east of Taiwan, China, using a fine-resolution regional general circulation model. Mesoscale eddies are injected into a region east of Taiwan, China, according to the quasi-geostrophic theory of stratified fluids. Modeled eddies propagated westward at the velocity of the first baroclinic mode Rossby wave. When eddies collide with the Kuroshio Current east of Taiwan, China, the spatial structure and volume transport of the Kuroshio Current shows a significant variation. The upper 600 m of the anticyclonic eddy cannot cross the Kuroshio Current to reach the region west of the Kuroshio Current; rather, these waters flow northward along the eastern side of the Kuroshio Current. The upper water carried by the anticyclonic eddies cannot reach the shelf of the East China Sea (ECS). In contrast, the waters in the upper layer of the cyclonic eddy reach the western side of the Kuroshio Current and then flow northward. The dynamic mechanism analysis shows that the interaction between the Kuroshio Current and the cyclonic (anticyclonic) eddy decrease (increase) the horizontal potential vorticity (PV) gradient, or PV barrier, whereby the cyclonic (anticyclonic) eddy can (cannot) cross the Kuroshio Current. This study implies that the continental shelf could potentially be influenced by cyclonic eddies in the open ocean, which can transport heat and material from the upper open ocean across the Kuroshio Current to the shelf waters.
Keywordmesoscale eddies Kuroshio eddy-Kuroshio interaction east of Taiwan China
DOI10.1007/s00343-020-0010-0
Indexed BySCI
Language英语
Funding ProjectNational Key Research Development Program of China[2017YFC1404000] ; Key Laboratory of Ocean Circulation and Waves, Chinese Academy of Sciences[KLOCW1802] ; Startup Foundation for Introducing Talent of NUIST[2017r092] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB42000000] ; National Natural Science Foundation of China[41876019]
WOS Research AreaMarine & Freshwater Biology ; Oceanography
WOS SubjectLimnology ; Oceanography
WOS IDWOS:000546525000004
PublisherSCIENCE PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167835
Collection海洋环流与波动重点实验室
Corresponding AuthorYang, Dezhou
Affiliation1.Nanjing Univ Informat Sci & Technol, Sch Marine Sci, Nanjing 210044, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Ocean Dynam & Climate, Qingdao 266000, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Mega Sci, Qingdao 266071, Peoples R China
First Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Corresponding Author AffilicationKey Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Shi, Yunlong,Yang, Dezhou,He, Yijun. Numerical study on interaction between eddies and the Kuroshio Current east of Taiwan, China[J]. JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2020:15.
APA Shi, Yunlong,Yang, Dezhou,&He, Yijun.(2020).Numerical study on interaction between eddies and the Kuroshio Current east of Taiwan, China.JOURNAL OF OCEANOLOGY AND LIMNOLOGY,15.
MLA Shi, Yunlong,et al."Numerical study on interaction between eddies and the Kuroshio Current east of Taiwan, China".JOURNAL OF OCEANOLOGY AND LIMNOLOGY (2020):15.
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