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Water exchange through the Kerama Gap estimated with a 25-year Pacific HYbrid Coordinate Ocean Model
Zhou Wenzheng1,2; Yu Fei1; Nan Feng1
2017-11-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号35期号:6页码:1287-1302
通讯作者Yu Fei(yuf@qdio.ac.cn)
摘要Variations in water exchange through the Kerama Gap (between Okinawa Island and Miyakojima Island) from 1979 to 2003 were estimated with the 0.08 degrees Pacific HYbrid Coordinate Ocean Model (HYCOM). The model results show that the mean transport through the Kerama Gap (KGT) from the Pacific Ocean to the East China Sea (ECS) was 2.1 Sv, which agrees well with the observed mean KGT (2.0 Sv) for 2009-2010. Over the time period examined, the monthly KGT varied from -10.9 Sv to 15.8 Sv and had a standard deviation of +/- 5.0 Sv. The water mainly enters the ECS via the subsurface layer (300-500 m) along the northeastern slope of the Kerama Gap and mainly flows out of the ECS into the southwest of the Kerama Gap. The seasonal and interannual variations of the KGT and the Kuroshio upstream transport were negatively correlated. The Kuroshio upstream transport was largest in summer and smallest in autumn while the KGT was smallest in summer (1.02 Sv) and largest in spring (2.94 Sv) and autumn (2.44 Sv). The seasonal and interannual variations in the Kuroshio downstream (across the PN-line) transport differed significantly from the Kuroshio upstream transport but corresponded well with the KGT and the sum of the transport through the Kerama Gap and the Kuroshio upstream, which indicates that information about variation in the KGT is important for determining variation in the Kuroshio transport along the PN-line.
关键词Kerama Gap Kuroshio Ryukyu Current HYbrid Coordinate Ocean Model (HYCOM) water exchange
DOI10.1007/s00343-017-6141-2
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[41306020] ; National Ocean Subject[XDA11020601] ; NSFC Shandong Joint Found for Marine Science Research Centers[U1406401] ; NSFC Innovative Group Grant[41421005] ; National Natural Science Foundation of China[41306020] ; National Ocean Subject[XDA11020601] ; NSFC Shandong Joint Found for Marine Science Research Centers[U1406401] ; NSFC Innovative Group Grant[41421005]
WOS研究方向Marine & Freshwater Biology ; Oceanography
WOS类目Limnology ; Oceanography
WOS记录号WOS:000415810900003
出版者SCIENCE PRESS
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/157288
专题中国科学院海洋研究所
通讯作者Yu Fei
作者单位1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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Zhou Wenzheng,Yu Fei,Nan Feng. Water exchange through the Kerama Gap estimated with a 25-year Pacific HYbrid Coordinate Ocean Model[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(6):1287-1302.
APA Zhou Wenzheng,Yu Fei,&Nan Feng.(2017).Water exchange through the Kerama Gap estimated with a 25-year Pacific HYbrid Coordinate Ocean Model.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(6),1287-1302.
MLA Zhou Wenzheng,et al."Water exchange through the Kerama Gap estimated with a 25-year Pacific HYbrid Coordinate Ocean Model".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.6(2017):1287-1302.
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