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学科主题: Oceanography
题名: Interannual variability of the South China Sea associated with El Nino
作者: Wang, CZ ; Wang, WQ ; Wang, DX ; Wang, Q
通讯作者: chunzai.wang@noaa.gov
刊名: JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
发表日期: 2006
卷: 111, 期:C3, 页:-
收录类别: sci
部门归属: NOAA, Atlantic Oceanog & Meteorol Lab, Phys Oceanog Div, Miami, FL 33149 USA; Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Trop Marine Environm Dynam, Guangzhou 510301, Peoples R China; Ocean Univ China, Dept Meteorol, Phys Oceanog Lab, Qingdao 266003, Peoples R China
项目归属: LED
摘要: Interannual sea surface temperature (SST) anomalies in the South China Sea (SCS) are largely influenced by El Nino through El Nino-driven atmospheric and oceanic changes. This paper discovers a new observed feature of the SCS SST anomalies: a double-peak evolution following an El Nino event. The first and second peaks occur around February and August, respectively, in the subsequent year of the El Nino year (denoted by February [+1] and August [+1]). During and after the mature phase of El Nino, a change of atmospheric circulation alters the local SCS near-surface air temperature, humidity, cloudiness, and monsoon wind. These factors influence surface heat fluxes and oceanic flows over the SCS that can either warm or cool the SCS depending upon stages of SST anomaly evolution. The shortwave radiation and latent heat flux anomalies are major contributions to the first peak of the SCS SST anomalies, although the geostrophic heat advections warm the western boundary region of the SCS. After the first peak of February [+1], both the Ekman and geostrophic heat advections, assisted with a reduction of the net heat flux anomalies, cool the SCS SST anomalies. In August [+1], the mean meridional geostrophic heat advection makes the SCS SST anomalies peak again. Then, the latent heat flux anomalies (mainly attributed to anomalous air-sea difference in specific humidity) and the mean zonal geostrophic heat advection take over for the cooling of the SCS after the second peak.
原文出处: 查看原文
WOS记录号: WOS:000236731400003
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/5811
Appears in Collections:热带海洋环境动力实验室(LTO)_期刊论文

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Recommended Citation:
Wang, CZ; Wang, WQ; Wang, DX; Wang, Q.Interannual variability of the South China Sea associated with El Nino,JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2006,111(C3):-
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