IOCAS-IR
Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis
Wang, Min1,2; Liu, Zhaojun2; Zhu, Xiaohua1,2; Yan, Xiaomei3; Zhang, Zhongzhe4; Zhao, Ruixiang2
2019-11-01
Source PublicationACTA OCEANOLOGICA SINICA
ISSN0253-505X
Volume38Issue:11Pages:1-10
Corresponding AuthorZhu, Xiaohua(xhzhu@sio.org.cn)
AbstractThe origin of the Ryukyu Current (RC) and the formation of its subsurface velocity core were investigated using a 23-year (1993-2015) global Hybrid Coordinate Ocean Model (HYCOM) dataset. The volume transport of the RC comes from the Kuroshio eastward branch (KEB) east of Taiwan and part of the North Pacific Subtropical Gyre (p-NPSG). From the surface to 2 000 m depth, the KEB (p-NPSG) transport contributes 41.5% (58.5%) to the mean total RC transport. The KEB originally forms the subsurface velocity core of the RC east of Taiwan due to blockage of the subsurface Kuroshio by the Ilan Ridge (sill depth: 700 m). Above 700 m, the Kuroshio can enter the East China Sea (ECS) over the Ilan Ridge, meanwhile, the blocked Kuroshio below 700 m turns to the right and flows along the Ryukyu Islands. With the RC flowing northeastward, the p-NPSG contribution strengthens the subsurface maximum structure of the RC owing to the blockage of the Ryukyu Ridge. In the surface layer, the p-NPSG cannot form a stable northeastward current due to frequent disturbance by mesoscale eddies and water exchange through the gaps (with net volume transport into ECS) between the Ryukyu Islands.
Keywordorigins of Ryukyu Current subsurface velocity core volume transport Kuroshio HYCOM
DOI10.1007/s13131-018-1329-7
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41576001] ; National Natural Science Foundation of China[41920104006] ; National Natural Science Foundation of China[41776107] ; National Natural Science Foundation of China[41906023] ; National Natural Science Foundation of China[41621064] ; National Natural Science Foundation of China[41476020] ; National Natural Science Foundation of China[41606113] ; Scientific Research Fund of SIO[JG1626] ; Scientific Research Fund of SIO[JG1621] ; Scientific Research Fund of SIO[JT1604] ; Project of State Key Laboratory of Satellite Ocean Environment Dynamics, SIO[SOEDZZ1901] ; Project of State Key Laboratory of Satellite Ocean Environment Dynamics, SIO[SOEDZZ1804] ; Project of State Key Laboratory of Satellite Ocean Environment Dynamics, SIO[SOEDZZ1806] ; National Programme on Global Change and Air-sea Interaction[GASI-IPOVAI-01-02] ; Zhejiang Provincial Natural Science Foundation of China[LQ17D060003]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000496697100001
PublisherSPRINGER
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/164854
Collection中国科学院海洋研究所
Corresponding AuthorZhu, Xiaohua
Affiliation1.Shanghai Jiao Tong Univ, Sch Oceanog, Shanghai 200030, Peoples R China
2.Minist Nat Resources, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou 310012, Zhejiang, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Shandong, Peoples R China
4.Dalian Ocean Univ, Coll Marine Sci & Environm, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Wang, Min,Liu, Zhaojun,Zhu, Xiaohua,et al. Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis[J]. ACTA OCEANOLOGICA SINICA,2019,38(11):1-10.
APA Wang, Min,Liu, Zhaojun,Zhu, Xiaohua,Yan, Xiaomei,Zhang, Zhongzhe,&Zhao, Ruixiang.(2019).Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis.ACTA OCEANOLOGICA SINICA,38(11),1-10.
MLA Wang, Min,et al."Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis".ACTA OCEANOLOGICA SINICA 38.11(2019):1-10.
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