Barrier layer in the South China Sea during summer 2000
Zeng, LL; Du, Y; Xie, SP; Wang, DX; duyan@scsio.ac.cn
2009
发表期刊DYNAMICS OF ATMOSPHERES AND OCEANS
ISSN0377-0265
卷号47期号:40546页码:38-54
摘要Using temperature-salinity profiles obtained from a cruise in summer 2000, the structure and formation of the barrier layer (BL) in the South China Sea (SCS) are investigated. Fresh water flux, ocean circulation, and wind stirring are important for BL formation, depending on regions. In the eastern SCS, Philippine mountains induce heavy rainfall, resulting in a fresh water cap at the surface and the formation of a thick wide spread BL. In the northwestern basin on the lee of the Annam Cordillera range, by contrast, a rain shadow reduces fresh water flux, which along with wind-induced upwelling, prevents the BL forming. Southeast of Vietnam, a thick BL forms as the Mekong River plume is advected by the northeastward western boundary current and its offshore extension. In the southeastern basin, the surface water is mixed deeply under the strong southwesterly monsoon, unfavorable for the BL formation despite heavy rainfall. In the Luzon Strait, the east/southeastward surface Ekman drift carries fresh SCS surface water, riding on the intruding Kuroshio meander that carries well-mixed, warm and saline water. The vertical overlapping of these two water masses gives rise to a thick BL. (c) 2008 Elsevier B.V. All rights reserved.
部门归属[Zeng, Lili; Du, Yan; Wang, Dongxiao] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Guangdong, Peoples R China; [Du, Yan; Xie, Shang-Ping] Univ Hawaii, Int Pacific Res Ctr, Honolulu, HI 96822 USA; [Du, Yan; Xie, Shang-Ping] Univ Hawaii, Dept Meteorol, SOEST, Honolulu, HI 96822 USA
关键词Barrier Layer South China Sea Orographic Effect Surface Fluxes Ocean Circulation
学科领域Geochemistry & Geophysics ; Meteorology & Atmospheric Sciences ; Oceanography
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收录类别sci
资助项目LED
WOS记录号WOS:000265174800004
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/6125
专题热带海洋环境国家重点实验室(LTO)
通讯作者duyan@scsio.ac.cn
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Zeng, LL,Du, Y,Xie, SP,et al. Barrier layer in the South China Sea during summer 2000[J]. DYNAMICS OF ATMOSPHERES AND OCEANS,2009,47(40546):38-54.
APA Zeng, LL,Du, Y,Xie, SP,Wang, DX,&duyan@scsio.ac.cn.(2009).Barrier layer in the South China Sea during summer 2000.DYNAMICS OF ATMOSPHERES AND OCEANS,47(40546),38-54.
MLA Zeng, LL,et al."Barrier layer in the South China Sea during summer 2000".DYNAMICS OF ATMOSPHERES AND OCEANS 47.40546(2009):38-54.
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