| 两类ENSO事件前期的热带太平洋海温距平场 |
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| 引用本文： | 赵永平,陈永利.两类ENSO事件前期的热带太平洋海温距平场[J].热带气象学报,1998,14(3):226-232. |
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| 作者姓名： | 赵永平 陈永利 |
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| 作者单位： | 中国科学院海洋研究所 |
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| 基金项目： | 国家“九五”重中之重项目 |
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| 摘 要： | 分析了１９５６年以来两类ＥＮＳＯ事件热带太平洋海温距平场的特征。结果指出，东部型ＥｌＮｉｎｏ事件前期为ＬａＮｉｎａ事件年，热带中东太平洋为强的海温负距平，东部型ＬａＮｉｎａ事件前期为ＥｌＮｉｎｏ事件年，热带中不太平洋为强的海温正距平，中部型ＥｌＮｉｎｏ事件前期热带中西太平洋多为明显的海温正距平，中部型ＬａＮｉｎａ事件前期热带东太平洋多为明显的海渐负距平。两类ＥＮＳＯ事件前期海温距平场特殊基本相反。
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| 关 键 词： | 厄尔尼诺前期 热带 太平洋 海温 距平场 |
| 收稿时间： | 1997/6/11 0:00:00 |
| 修稿时间： | 1997/12/1 0:00:00 |
ANALYSIS OF THE OCEANIC FEATURE IN THE TROPICAL PACIFIC OCEAN ONE YEAR BEFORE ONSET OF THE TWO TYPES ENSO EVENT |
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| Zhao Yongping and Chen Yongli.ANALYSIS OF THE OCEANIC FEATURE IN THE TROPICAL PACIFIC OCEAN ONE YEAR BEFORE ONSET OF THE TWO TYPES ENSO EVENT[J].Journal of Tropical Meteorology,1998,14(3):226-232. |
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| Authors: | Zhao Yongping and Chen Yongli |
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| Institution: | Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071;Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071 |
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| Abstract: | The oceanic feature in the tropical Pacific Ocean one year before the two types of ENSO event was analyzed. The results show that, one year before the eastern pattern El Nino events onset, the La Nina events occured, in which the SST was extremely colder than normal in eastern and central tropical Pacific Ocean; one year before the eastern pattern La Nina events onset,the El Nino events occured, when the SST was extremaly warmer than normal in eastern and central tropical Pacific Ocean. There were much warmer SST in the tropical western and central Pacific Ocean before the Central pattern El Nino events onset, and much colder SST in the tropical eastern Pacific Ocean before the central pattern La Nina events onset. Warmer SST in the tropical weatern Pacific warm pool region is an essential condition for the onset of central pattern of El Nino events. |
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| Keywords: | ENSO events Tropical Pacific SST deviation |
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