On the subsurface countercurrents in the Philippine Sea

doi:10.1002/2013JC009690

IOCAS-IR > 海洋环流与波动重点实验室

	On the subsurface countercurrents in the Philippine Sea
	Wang, Fan1 ; Zang, Nan 1,2; Li, Yuanlong 1,2; Hu, Dunxin 1
	2015
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
卷号	120 期号:1 页码:131-144
文章类型	Article
摘要	The subsurface countercurrents in the Philippine Sea and their roles in water mass transportation have been reported in previous studies. Their existence is still controversial, and the underlying dynamics remains unclear. This study investigates the climatological structures and relationships of three subsurface countercurrents, namely the Mindanao Undercurrent (MUC), the Luzon Undercurrent (LUC), and the North Equatorial Undercurrent (NEUC), using recently available hydrographic and satellite altimeter data. The three subsurface currents below and opposite to the surface currents are confirmed by multisections analysis. The MUC, as traced at zonal sections between 6.5 degrees N and 10.5 degrees N, shows two northward velocity cores, both with maximum speed larger than 10 cm s(-1). The LUC exhibits an obscure core with southward velocity larger than 2 cm s(-1) under the Kuroshio at 18 degrees N and 16.25 degrees N sections. The eastward flowing NEUC also has two separated cores at 128.2 degrees E and 130 degrees E sections with velocity larger than 1 cm s(-1). Analyses of -S relationship suggest that the southern part of NEUC is fed by the MUC with the South Pacific water and South/North Pacific water mixture, while the northern NEUC is likely a destiny of the North Pacific water carried by the LUC. Tightly associated with the opposite horizontal gradients between sea surface height (SSH) and the depth of thermocline (DTC), the subsurface countercurrents exist in connected zones where the baroclinic adjustment below the thermocline overcomes the barotropic forcing at the sea surface, which indicates the dynamical linkages among the three subsurface countercurrents.
关键词	Western Boundary Currents Undercurrents The Philippine Sea Thermocline
DOI	10.1002/2013JC009690
收录类别	SCI
语种	英语
WOS记录号	WOS:000349890000009
引用统计	被引频次：44[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/337002/25383
专题	海洋环流与波动重点实验室
作者单位	1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Peoples R China 2.Univ Chinese Acad Sci, Coll Earth Sci, Beijing, 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, Fan,Zang, Nan,Li, Yuanlong,et al. On the subsurface countercurrents in the Philippine Sea[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2015,120(1):131-144.
APA	Wang, Fan,Zang, Nan,Li, Yuanlong,&Hu, Dunxin.(2015).On the subsurface countercurrents in the Philippine Sea.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,120(1),131-144.
MLA	Wang, Fan,et al."On the subsurface countercurrents in the Philippine Sea".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 120.1(2015):131-144.

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On the subsurface co（1709KB）	期刊论文	出版稿	限制开放	ODC PDDL	浏览