The anticyclonic circulation in the southern South China Sea: Observed structure, seasonal development and interannual variability
Xiang, Rong; Fang, Wendong; Zhou, Sheng-Qi; Fang, WD (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
2016
发表期刊JOURNAL OF MARINE SYSTEMS
卷号154页码:131-145
摘要In situ hydrographic and current observations from cruises in 1998 and 1999, together with 20-year (1993-2012) sea level anomaly (SLA) data from satellite altermeter, have been used to study the vertical structure, seasonal development, and interannual variability of the anticyclonic circulation in the southern South China Sea (SCS). The relationship between the anticyclonic circulation and its northern flanking cyclonic eddy are described. Three associated circulation patterns are identified. The anticyclonic circulation is present for an average of 108 +/- 30 days per year, while its northern flanking cyclonic eddy is present for an average of 54 +/- 25 days per year. The intraseasonal variability of the anticyclonic circulation is intense as a result of advection with the flanking northern cyclone, which accompanies the gyre on average about 60% of the time. The vertical structure of the anticyclonic circulation in 1998 (1999) penetrated much deeper, and its horizontal scope became wider in June (July) than in April. The anticyclonic circulation shows some difference between 1998 and 1999, displaying earlier appearance, more northward position, and non-dipole pattern in 1998, suggesting that the interannual variability of the anticyclonic circulation is related to El Nino Southern Oscillation (ENSO) events. The effect of Sverdrup balance via westward propagating Rossby wave on the seasonal development of the anticyclonic circulation has been discussed. (C) 2015 Elsevier B.V. All rights reserved.
部门归属[Xiang, Rong; Fang, Wendong; Zhou, Sheng-Qi] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China; [Xiang, Rong] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; LTO
关键词Ocean Circulation And Variability Sea Level Anomaly Southern South China Sea
学科领域Geology ; Marine & Freshwater Biology ; Oceanography
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15568
专题热带海洋环境国家重点实验室(LTO)
通讯作者Fang, WD (reprint author), Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China.
推荐引用方式
GB/T 7714
Xiang, Rong,Fang, Wendong,Zhou, Sheng-Qi,et al. The anticyclonic circulation in the southern South China Sea: Observed structure, seasonal development and interannual variability[J]. JOURNAL OF MARINE SYSTEMS,2016,154:131-145.
APA Xiang, Rong,Fang, Wendong,Zhou, Sheng-Qi,&Fang, WD .(2016).The anticyclonic circulation in the southern South China Sea: Observed structure, seasonal development and interannual variability.JOURNAL OF MARINE SYSTEMS,154,131-145.
MLA Xiang, Rong,et al."The anticyclonic circulation in the southern South China Sea: Observed structure, seasonal development and interannual variability".JOURNAL OF MARINE SYSTEMS 154(2016):131-145.
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