Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis
文献类型：CNKI期刊论文
| 作者 | Min Wang; Zhaojun Liu; Xiaohua Zhu; Xiaomei Yan; Zhongzhe Zhang; Ruixiang Zhao |
| 发表日期 | 2019-11-15 |
| 出处 | Acta Oceanologica Sinica
 |
| 关键词 | origins of Ryukyu Current subsurface velocity core volume transport Kuroshio HYCOM |
| 英文摘要 | The 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(pNPSG). 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 pNPSG 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. |
| 文献子类 | CNKI期刊论文 |
| 资助机构 | The National Natural Science Foundation of China under contract Nos 41576001,41920104006,41776107,41906023,41621064,41476020 and 41606113 ; the Scientific Research Fund of SIO under contract Nos JG1626,JG1621 and JT1604 ; the Project of State Key Laboratory of Satellite Ocean Environment Dynamics,SIO under contract Nos SOEDZZ1901,SOEDZZ1804 and SOEDZZ1806 ; the National Programme on Global Change and Air-sea Interaction under contract No.GASI-IPOVAI-01-02 ; the Zhejiang Provincial Natural Science Foundation of China under contract No.LQ17D060003 |
| 卷 | v.38期:11页:5-14 |
| 语种 | 英文; |
| 分类号 | P731.2 |
| ISSN号 | 0253-505X |
| 源URL | [http://ir.qdio.ac.cn/handle/337002/188407]  |
| 专题 | 中国科学院海洋研究所 |
| 作者单位 | 1.SchoolofOceanography,ShanghaiJiaoTongUniversity 2.StateKeyLaboratoryofSatelliteOceanEnvironmentDynamics,SecondInstituteofOceanography,MinistryofNaturalResources 3.KeyLaboratoryofOceanCirculationandWaves,InstituteofOceanology,ChineseAcademyofSciences 4.CollegeofMarineScienceandEnvironment,DalianOceanUniversity |
| 推荐引用方式 GB/T 7714 | Min Wang,Zhaojun Liu,Xiaohua Zhu,et al. Origin and formation of the Ryukyu Current revealed by HYCOM reanalysis. 2019. |
入库方式： OAI收割
来源：海洋研究所
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