Institutional Repository of Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
| Interannual variability of the Kuroshio onshore intrusion along the East China Sea shelf break: Effect of the Kuroshio volume transport | |
Liu, Chuanyu1; Wang, Fan1 ; Chen, Xinping2; von Storch, Jin-Song3; Wang, F (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China.
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| 2014-09-01 | |
| 发表期刊 | JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
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| 卷号 | 119期号:9页码:6190-6209 |
| 文章类型 | Article |
| 摘要 | The interannual variability of the Kuroshio onshore intrusion (KOI) across the East China Sea (ECS) shelf break and its response to the ECS Kuroshio volume transport (KVT) during 1993 approximate to 2010 are studied based on a high-resolution, real-time, and global ocean general circulation model. Since variability of KVT is mainly determined in the interior Pacific, it is rather a remote than a local factor for the local ECS KOI. On interannual time scales, KVT affects KOI not only in the net volume transport across the entire shelf break but also in the spatial pattern along the shelf break. When KVT increases, the intrusion decreases (increases) upstream (downstream) of the major intrusion region northeast of Taiwan, the retreating increases (decreases) upstream (downstream) of the main veering region southwest of Kyushu. These patterns are caused by cyclonic eddies induced by the seaward deflection of the Kuroshio axis from the shelf break, which ultimately results from the KVT increase. A diagnostic mechanism of KOI approximate to Msin?()|delta h-1| is proposed, where h is the bottom depth, is the angle between isobaths and the vertically averaged current, and M is the absolute volume transport at the shelf break. is large in the major intrusion/retreating regions and stable on interannual time scales while M changes with opposite signs between upstream and downstream of the major intrusion/retreating regions. The mechanism explains well the relation of local KVT and the spatial pattern of KOI along the shelf break, in both the mean state and the interannual variations. |
| 关键词 | The Kuroshio Interannual Variability Onshore Intrusion Western Boundary Current East China Sea |
| 学科领域 | Oceanography |
| DOI | 10.1002/2013JC009653 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000343879200034 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/23936 |
| 专题 | 海洋环流与波动重点实验室 |
| 通讯作者 | Wang, F (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China. |
| 作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Qingdao, Peoples R China 2.Univ Hamburg, Inst Oceanog, Hamburg, Germany 3.Max Plank Inst Meteorol, Hamburg, Germany |
| 第一作者单位 | 中国科学院海洋研究所 |
| 推荐引用方式 GB/T 7714 | Liu, Chuanyu,Wang, Fan,Chen, Xinping,et al. Interannual variability of the Kuroshio onshore intrusion along the East China Sea shelf break: Effect of the Kuroshio volume transport[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2014,119(9):6190-6209. |
| APA | Liu, Chuanyu,Wang, Fan,Chen, Xinping,von Storch, Jin-Song,&Wang, F .(2014).Interannual variability of the Kuroshio onshore intrusion along the East China Sea shelf break: Effect of the Kuroshio volume transport.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,119(9),6190-6209. |
| MLA | Liu, Chuanyu,et al."Interannual variability of the Kuroshio onshore intrusion along the East China Sea shelf break: Effect of the Kuroshio volume transport".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 119.9(2014):6190-6209. |
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