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Mooring observations of equatorial currents in the upper 1000 m of the western Pacific Ocean during 2014
Wang, Fan1,2; Wang, Jianing1,2; Guan, Cong1,3; Ma, Qiang1,3; Zhang, Dongxiao4,5
2016-06-01
发表期刊JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号121期号:6页码:3730-3740
文章类型Article
摘要Time-depth variations of the equatorial currents over the upper 1000 m depth in the western Pacific Ocean were directly measured by acoustic Doppler current profiler moorings at 2 degrees N, 140 degrees E and 4.7 degrees N, 140 degrees E during January-August 2014. Intraseasonal variations of the equatorial currents, with periods of 37-73 days, were observed encompassing the North Equatorial Countercurrent (NECC), northern branch of the South Equatorial Current (SEC), Equatorial Undercurrent (EUC), Equatorial Intermediate Current (EIC), North Intermediate Countercurrent (NICC), and North Equatorial Subsurface Current (NESC). Compared with previous studies based mainly on shipboard synoptic surveys, the 8-month time series of velocity profiles provided direct evidence for the existence of NESC, captured reversals of the EIC in May and the NESC in June from westward to eastward direction, and revealed larger vertical extensions of the SEC and NESC and greater depths of the EIC and NICC than previously thought. According to a global analysis product of ocean surface current, during January-April 2014, the NECC was located around its southernmost position and with its the weakest intensity over the past 20 years. Some of the anomalous characteristics of these flows may be related to the fickle El Nino of 2014.
DOI10.1002/2015JC011510
收录类别SCI
语种英语
WOS记录号WOS:000383467800004
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/135776
专题海洋环流与波动重点实验室
实验海洋生物学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Univ Washington, Joint Inst Study Atmosphere & Ocean, Seattle, WA 98195 USA
5.NOAA, Pacific Marine Environm Lab, 7600 Sand Point Way Ne, Seattle, WA 98115 USA
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Wang, Fan,Wang, Jianing,Guan, Cong,et al. Mooring observations of equatorial currents in the upper 1000 m of the western Pacific Ocean during 2014[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2016,121(6):3730-3740.
APA Wang, Fan,Wang, Jianing,Guan, Cong,Ma, Qiang,&Zhang, Dongxiao.(2016).Mooring observations of equatorial currents in the upper 1000 m of the western Pacific Ocean during 2014.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,121(6),3730-3740.
MLA Wang, Fan,et al."Mooring observations of equatorial currents in the upper 1000 m of the western Pacific Ocean during 2014".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 121.6(2016):3730-3740.
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