| 热带海温异常与南海夏季风建立迟早的初步研究 |
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| 引用本文： | 温之平,薛晓冰,梁肇宁,吴丽姬. 热带海温异常与南海夏季风建立迟早的初步研究[J]. 中山大学学报(自然科学版), 2005, 44(1): 94-98 |
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| 作者姓名： | 温之平 薛晓冰 梁肇宁 吴丽姬 |
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| 作者单位： | 中山大学季风与环境研究中心/大气科学系,广东,广州,510275 |
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| 基金项目： | 国家自然科学基金，国家重点实验室基金 |
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| 摘 要： | 利用NCEP再分析的海表温度场、风场、高度场的格点资料,应用合成和相关分析等方法,初步探讨了热带印度洋和热带太平洋海温异常与南海夏季风建立的关系.研究结果表明,热带印度洋和热带太平洋海温异常在有些年份并不同号,从而对南海夏季风建立迟早的影响并不完全一致.进一步分析表明,热带印度洋和热带太平洋海温异常可能是通过影响热带地区Walker环流建立和加强,进而南海夏季风建立的迟早.
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| 关 键 词： | 南海夏季风 海温异常 建立迟早 |
| 文章编号： | 0529-6579(2005)01-0094-05 |
| 修稿时间： | 2004-02-10 |
A Preliminary Study on the Relationship between SSTA in Tropical Oceans and Onset of South China Sea Summer Monsoon |
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| WEN Zhi_ping,XUE Xiao_bing,LIANG Zhao_ning,WU Li_ji. A Preliminary Study on the Relationship between SSTA in Tropical Oceans and Onset of South China Sea Summer Monsoon[J]. Acta Scientiarum Naturalium Universitatis Sunyatseni, 2005, 44(1): 94-98 |
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| Authors: | WEN Zhi_ping XUE Xiao_bing LIANG Zhao_ning WU Li_ji |
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| Abstract: | Using the NCEP reanalysis data from 1949 to 1998, the relationship between the SSTA over tropical oceans and the onset of South China Sea summer monsoon (SCSSM) was investigated based on composite analysis and correlation analysis. The results show that there exist close relationships between the onset of SCSSM and the SSTA over tropical oceans. In some years the symbol of SSTA in tropical central and eastern Pacific ocean is not the same as that over tropical Indian ocean, therefore the influence of SSTA over the two oceans on onset of SCSSM are different. Moreover,it is speculated that by having an impact on the vertical circulations (Walker and Anti_Walker) the SSTA over tropical oceans affects the onset time of SCSSM. |
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| Keywords: | South China Sea summer monsoon sea surface temperature onset time |
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