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	Interannual sea surface salinity variations observed in the tropical North Pacific Ocean
	Li, Yuanlong1,2; Wang, Fan2; Han, Weiqing1; Wang, F
刊名	GEOPHYSICAL RESEARCH LETTERS
	2013-05-28
卷号	40期号:10页码:2194-2199
关键词	sea surface salinity mixed layer ENSO
ISSN号	0094-8276
通讯作者	Wang, F
中文摘要	Analysis of observational data sets reveals pronounced interannual variations of sea surface salinity (SSS) in the tropical North Pacific (7 degrees N-15 degrees N) during 2000-2012. SSS anomalies with maximum magnitudes >0.2 occur in the central Pacific and translate westward at a speed of 15-20 cm s(-1). The signals are weakened during their westward movement but reinforced in the Philippine Sea. Budget analysis for the mixed layer salinity suggests that in the central Pacific, El Nino-Southern Oscillation-related atmospheric freshwater forcing and ocean advection changes are both important in generating and maintaining these large SSS anomalies. In the advection term, the most contributing component is the meridional Ekman advection induced by trade winds. These SSS anomalies are subsequently carried westward by the North Equatorial Current, which is the primary cause of SSS variations in the Philippine Sea. Freshwater forcing is also at work in the Philippine Sea, but its role is generally secondary.
英文摘要	Analysis of observational data sets reveals pronounced interannual variations of sea surface salinity (SSS) in the tropical North Pacific (7 degrees N-15 degrees N) during 2000-2012. SSS anomalies with maximum magnitudes >0.2 occur in the central Pacific and translate westward at a speed of 15-20 cm s(-1). The signals are weakened during their westward movement but reinforced in the Philippine Sea. Budget analysis for the mixed layer salinity suggests that in the central Pacific, El Nino-Southern Oscillation-related atmospheric freshwater forcing and ocean advection changes are both important in generating and maintaining these large SSS anomalies. In the advection term, the most contributing component is the meridional Ekman advection induced by trade winds. These SSS anomalies are subsequently carried westward by the North Equatorial Current, which is the primary cause of SSS variations in the Philippine Sea. Freshwater forcing is also at work in the Philippine Sea, but its role is generally secondary.
学科主题	Geology
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Geosciences, Multidisciplinary
研究领域[WOS]	Geology
关键词[WOS]	FRESH POOL ; EL-NINO ; VARIABILITY ; PERIOD ; LAYER ; ARGO
收录类别	SCI
原文出处	10.1002/grl.50429
语种	英语
WOS记录号	WOS:000328840200055
公开日期	2014-07-17
内容类型	期刊论文
源URL	[http://ir.qdio.ac.cn/handle/337002/16415]
专题	海洋研究所_海洋环流与波动重点实验室
通讯作者	Wang, F
作者单位	1.Univ Colorado, Dept Atmospher & Ocean Sci, Boulder, CO 80309 USA 2.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao 266071, Shandong, Peoples R China
推荐引用方式 GB/T 7714	Li, Yuanlong,Wang, Fan,Han, Weiqing,et al. Interannual sea surface salinity variations observed in the tropical North Pacific Ocean[J]. GEOPHYSICAL RESEARCH LETTERS,2013,40(10):2194-2199.
APA	Li, Yuanlong,Wang, Fan,Han, Weiqing,&Wang, F.(2013).Interannual sea surface salinity variations observed in the tropical North Pacific Ocean.GEOPHYSICAL RESEARCH LETTERS,40(10),2194-2199.
MLA	Li, Yuanlong,et al."Interannual sea surface salinity variations observed in the tropical North Pacific Ocean".GEOPHYSICAL RESEARCH LETTERS 40.10(2013):2194-2199.

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