Interdecadal Difference of Interannual Variability Characteristics of South China Sea SSTs Associated with ENSO
Yang, Yali; Xie, Shang-Ping; Du, Yan; Tokinaga, Hiroki; duyan@scsio.ac.cn
2015
发表期刊JOURNAL OF CLIMATE
卷号28期号:18页码:7145-7160
文章类型0894-8755
摘要The correlation between sea surface temperature (SST) and El Nino-Southern Oscillation (ENSO) persists into post-ENSO September over the South China Sea (SCS), the longest correlation in the World Ocean. Slow modulations of this correlation are analyzed by using the International Comprehensive Ocean-Atmosphere Dataset (ICOADS). ENSO's influence on SCS SST has experienced significant interdecadal changes over the past 138 years (1870-2007), with a double-peak structure correlation after the 1960s compared to a single-peak before the 1940s. According to the ENSO correlation character, the analysis period is divided into four epochs. In epoch 3, 1960-83, the SST warming and enhanced precipitation over the southeastern tropical Indian Ocean, rather than the Indian Ocean basinwide warming, induce easterly wind anomalies and warm up the SCS in the summer following El Nino. Besides the Indian Ocean effect, during epochs 2 (1930-40) and 4 (1984-2007), the Pacific-Japan (PJ) pattern of atmospheric circulation anomalies helps sustain the SCS SST warming through summer (June-August) with easterly wind anomalies. The associated increase in shortwave radiation and decrease in upward latent heat flux cause the SCS SST warming to persist into the summer. Meanwhile, the rainfall response around the SCS to ENSO shows interdecadal variability, with stronger variability after the 1980s. The results suggest that both the remote forcing from the tropical Indian Ocean and the PJ pattern are important for the ENSO teleconnection to the SCS and its interdecadal modulations.
部门归属[Yang, Yali; Du, Yan] Chinese Acad Sci, South China Sea Inst Oceanol, State Key Lab Trop Oceanog, Guangzhou, Guangdong, Peoples R China; [Yang, Yali] Univ Chinese Acad Sci, Beijing, Peoples R China; [Xie, Shang-Ping] Univ Calif San Diego, Scripps Inst Oceanog, La Jolla, CA 92093 USA; [Xie, Shang-Ping] Ocean Univ China, Phys Oceanog Lab, Qingdao Collaborat Innovat Ctr Marine Sci & Techn, Qingdao, Peoples R China; [Tokinaga, Hiroki] Kyoto Univ, Disaster Prevent Res Inst, Kyoto, Japan; [Tokinaga, Hiroki] Kyoto Univ, Hakubi Ctr Adv Res, Kyoto, Japan ; LTO
学科领域Meteorology & Atmospheric Sciences
收录类别SCI
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/15037
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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GB/T 7714
Yang, Yali,Xie, Shang-Ping,Du, Yan,et al. Interdecadal Difference of Interannual Variability Characteristics of South China Sea SSTs Associated with ENSO[J]. JOURNAL OF CLIMATE,2015,28(18):7145-7160.
APA Yang, Yali,Xie, Shang-Ping,Du, Yan,Tokinaga, Hiroki,&duyan@scsio.ac.cn.(2015).Interdecadal Difference of Interannual Variability Characteristics of South China Sea SSTs Associated with ENSO.JOURNAL OF CLIMATE,28(18),7145-7160.
MLA Yang, Yali,et al."Interdecadal Difference of Interannual Variability Characteristics of South China Sea SSTs Associated with ENSO".JOURNAL OF CLIMATE 28.18(2015):7145-7160.
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