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Northward expansion of the western Pacific Warm Pool in late 1990s and early 2000s
Yang Yuxing; Wang Faming; Yang, YX (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave, Qingdao 266071, Peoples R China.
2012-07-01
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
ISSN0254-4059
卷号30期号:4页码:684-689
文章类型Article
摘要Based on 48-year (1958-2006) ocean reanalysis data of Simple Ocean Data Assimilation and 23-year (1984-2006) global ocean-surface heat flux products developed by the Objectively Analyzed Air-Sea Heat Flux Project, meridional variation of the western Pacific Warm Pool (WPWP) is addressed. The results show that there is a significant expansion of the northern edge of the WPWP in the late 1990s and early 2000s. This variation is mainly within 120A degrees E-160A degrees E by 8A degrees N-20A degrees N, we define this region (120A degrees E-1 by 8A degrees N-20A degrees N) as the core region. Furthermore, analyses on upper ocean heat budget show that the short wave radiation plays a key role in the northward expansion of the northern edge of the WPWP in the core region. It is proved that the northward expansion may be caused by the change of the mixed layer which became shallower in 1994-2006 compared with 1984-1993 in the study region. The short wave radiation flux distribution within the shallower mixed layer leads to a positive anomaly in seawater temperature, promoting the northward expansion of the WPWP.
关键词Western Pacific Warm Pool (Wpwp) Northward Expansion Mixed Layer
学科领域Limnology ; Oceanography
DOI10.1007/s00343-012-1209-5
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收录类别SCI
语种英语
WOS记录号WOS:000305906700021
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文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/12175
专题海洋环流与波动重点实验室
通讯作者Yang, YX (reprint author), Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave, Qingdao 266071, Peoples R China.
作者单位Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Wave, Qingdao 266071, Peoples R China
第一作者单位中国科学院海洋研究所
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Yang Yuxing,Wang Faming,Yang, YX . Northward expansion of the western Pacific Warm Pool in late 1990s and early 2000s[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2012,30(4):684-689.
APA Yang Yuxing,Wang Faming,&Yang, YX .(2012).Northward expansion of the western Pacific Warm Pool in late 1990s and early 2000s.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,30(4),684-689.
MLA Yang Yuxing,et al."Northward expansion of the western Pacific Warm Pool in late 1990s and early 2000s".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 30.4(2012):684-689.
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