IOCAS-IR  > 海洋环流与波动重点实验室
Effects of mesoscale eddies on the volume transport and branch pattern of the Kuroshio east of Taiwan
Yan, Xiaomei1,2,3; Zhu, Xiao-Hua2; Pang, Chongguang1,3; Zhang, Linlin1,3
2016-10-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号121期号:10页码:7683-7700
文章类型Article
摘要Using satellite altimeter data and a long-term altimetric transport index for the Kuroshio inflow northeast of Taiwan, the effects of mesoscale eddies on the Kuroshio volume transport (KVT) at the East Taiwan Channel and the branching pattern of the Kuroshio east of Taiwan are investigated at scales from those of individual events to interannual timescales. Both anticyclonic and cyclonic eddies are found to be able either to strengthen or weaken the KVT, depending on the relative strength of mass convergence and divergence produced upstream and downstream of the eddies. The major factor influencing the intensity of the Kuroshio inflow is the meridional location of the eddies. For single eddy events, the KVT is significantly correlated with the latitude of the eddy's center, the correlations being 0.44 and -0.48 for anticyclonic and cyclonic eddies, respectively. For dipole eddy events, when the direction angle falls in the interval 40-150 degrees (240-300 degrees), the KVT anomaly tends to be positive (negative). Furthermore, low KVT events generally correspond to the formation of the Ryukyu Current branch, which is also generated from strong mass divergence produced by the eddies. In addition, on interannual timescales, the variation of KVT is closely related to the relative number of anticyclonic to cyclonic eddies west of 125 degrees E, with a correlation of 0.5.
关键词Kuroshio Volume Transport Mesoscale Eddy Kuroshio Branch Interannual Variability
DOI10.1002/2016JC012038
收录类别SCI
语种英语
WOS记录号WOS:000388602200026
引用统计
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/136220
专题海洋环流与波动重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.State Ocean Adm, Inst Oceanog 2, State Key Lab Satellite Ocean Environm Dynam, Hangzhou, Zhejiang, Peoples R China
3.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
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GB/T 7714
Yan, Xiaomei,Zhu, Xiao-Hua,Pang, Chongguang,et al. Effects of mesoscale eddies on the volume transport and branch pattern of the Kuroshio east of Taiwan[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2016,121(10):7683-7700.
APA Yan, Xiaomei,Zhu, Xiao-Hua,Pang, Chongguang,&Zhang, Linlin.(2016).Effects of mesoscale eddies on the volume transport and branch pattern of the Kuroshio east of Taiwan.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,121(10),7683-7700.
MLA Yan, Xiaomei,et al."Effects of mesoscale eddies on the volume transport and branch pattern of the Kuroshio east of Taiwan".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 121.10(2016):7683-7700.
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