Variations of Luzon Undercurrent from observations and numerical model simulations

doi:10.1002/2013JC009694

IOCAS-IR > 海洋环流与波动重点实验室

	Variations of Luzon Undercurrent from observations and numerical model simulations
	Wang, Qingye 1; Zhai, Fangguo 1,2; Hu, Dunxin 1; Wang, QY (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China.
	2014-06-01
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号	119 期号:6 页码:3792-3805
文章类型	Article
摘要	Significant intraseasonal variability (ISV) of about 45-80 days and seasonal variation of the Luzon Undercurrent (LUC) at 18 degrees N are studied using direct current measurements and a high-resolution global Hybrid Coordinate Ocean Model. The variations of the LUC are vertically coherent with those of Kuroshio Current both on intraseasonal and seasonal time scales. The ISV of the LUC is dominated by eddies with diameters of about 200-300 km and extending from sea surface to intermediate layer east of Luzon Island. The LUC becomes strong (weak) when cyclonic (anticyclonic) eddies occur. The eddies east of Luzon Island mainly originate from the bifurcation point (similar to 13 degrees N) of the North Equatorial Current. These eddies propagate northwestward at a typical propagation speed of about 0.16 m s(-1) along the east coast of Philippines, gradually strengthen and pass the Luzon coast, and continue northward to Luzon strait. On seasonal time scale, the LUC is strong (weak) in boreal winter (summer), and this variation is related to the seasonal evolution of large-scale ocean circulation east of Philippines mainly controlled by local wind forcing.
学科领域	Oceanography
DOI	10.1002/2013JC009694
收录类别	SCI
语种	英语
WOS记录号	WOS:000340414800031
引用统计	被引频次：15[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/337002/23984
专题	海洋环流与波动重点实验室
通讯作者	Wang, QY (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China.
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, Xiamen, Peoples R China
第一作者单位	海洋环流与波动重点实验室
推荐引用方式 GB/T 7714	Wang, Qingye,Zhai, Fangguo,Hu, Dunxin,et al. Variations of Luzon Undercurrent from observations and numerical model simulations[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2014,119(6):3792-3805.
APA	Wang, Qingye,Zhai, Fangguo,Hu, Dunxin,&Wang, QY .(2014).Variations of Luzon Undercurrent from observations and numerical model simulations.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,119(6),3792-3805.
MLA	Wang, Qingye,et al."Variations of Luzon Undercurrent from observations and numerical model simulations".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 119.6(2014):3792-3805.

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