Interannual to decadal variation of spring sea level anomaly in the western South China Sea
Qiu, FW; Fang, WD; Pan, AJ; Cha, J; Zhang, SW; Huang, J; qiufuwen@tio.org.cn
2017
发表期刊CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY
卷号35期号:1页码:79-88
摘要Satellite observations of sea level anomalies (SLA) from January 1993 to December 2012 are used to investigate the interannual to decadal changes of the boreal spring high SLA in the western South China Sea (SCS) using the Empirical Orthogonal Function (EOF) method. We find that the SLA variability has two dominant modes. The Sea Level Changing Mode (SLCM) occurs mainly during La Nia years, with high SLA extension from west of Luzon to the eastern coast of Vietnam along the central basin of the SCS, and is likely induced by the increment of the ocean heat content. The Anticyclonic Eddy Mode (AEM) occurs mainly during El Nio years and appears to be triggered by the negative wind curl anomalies within the central SCS. In addition, the spring high SLA in the western SCS experienced a quasi-decadal change during 1993-2012; in other words, the AEM predominated during 1993-1998 and 2002-2005, while the La Nia-related SLCM prevailed during 1999-2001 and 2006-2012. Moreover, we suggest that the accelerated sea level rise in the SCS during 2005-2012 makes the SLCM the leading mode over the past two decades.
部门归属[Qiu Fuwen; Pan Aijun; Cha Jing; Zhang Shanwu; Huang Jiang] State Ocean Adm, Inst Oceanog 1, Xiamen 361005, Peoples R China; [Fang Wendong] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou 510301, Guangdong, Peoples R China
关键词Variability Sea Level Anomalies Spring Western South China Sea
资助项目LTO
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/16419
专题热带海洋环境国家重点实验室(LTO)
通讯作者qiufuwen@tio.org.cn
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GB/T 7714
Qiu, FW,Fang, WD,Pan, AJ,et al. Interannual to decadal variation of spring sea level anomaly in the western South China Sea[J]. CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,2017,35(1):79-88.
APA Qiu, FW.,Fang, WD.,Pan, AJ.,Cha, J.,Zhang, SW.,...&qiufuwen@tio.org.cn.(2017).Interannual to decadal variation of spring sea level anomaly in the western South China Sea.CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY,35(1),79-88.
MLA Qiu, FW,et al."Interannual to decadal variation of spring sea level anomaly in the western South China Sea".CHINESE JOURNAL OF OCEANOLOGY AND LIMNOLOGY 35.1(2017):79-88.
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