| Asymptotic solution of a sea-air oscillator for ENSO mechanism |
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| 作者姓名： | 莫嘉琪 林万涛 王辉 |
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| 作者单位： | Anhui Normal University, Wuhu 241000, China;Division of Computational Science, E-Institutes of Shanghai Universities at SJTU, Shanghai 200240, China;LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences,
Beijing 100029, China;Chinese Academy of Meteorological Sciences, Beijing 100081, China |
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| 基金项目： | Project supported by the
National Natural Science Foundation of China (Grant Nos~40676016 and
10471039), the National Key Basics Research Special Foundation of China
(Grant No~2004CB418304), the Key Basic Research Foundation of Chinese
Academy of Sciences (Grant No~KZCX3-SW-221) and in part by E-Institutes of
Shanghai Municipal Education Commission (Grant No~NE03004). |
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| 摘 要： | The EI Nino/La Nina-Southern Oscillation （ENSO） is an interannual phenomenon involved in the tropical Pacific ocean-atmosphere interactions. In this paper, a class of coupled system of the ENSO mechanism is considered. Based on a class of oscillator of ENSO model, the asymptotic solution of a corresponding problem is studied by employing the approximate method. It is proved from the results that the perturbation method can be used for analysing the sea surface temperature anomaly in the equatorial eastern Pacific and the thermocline depth anomaly of the atmosphere-ocean oscillation for the ENSO model.
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| 关 键 词： | 厄尔尼诺-南方涛动 发生机制 海洋-大气振荡器模型 渐近解 非线性系统 |
| 收稿时间： | 7/5/2006 12:00:00 AM |
| 修稿时间： | 7/7/2006 12:00:00 AM |
Asymptotic solution of a sea--air oscillator for ENSO mechanism |
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| Mo Jia-Qi,Lin Wan-Tao and Wang Hui.Asymptotic solution of a sea-air oscillator for ENSO mechanism[J].Chinese Physics B,2007,16(3):578-581. |
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| Authors: | Mo Jia-Qi Lin Wan-Tao and Wang Hui |
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| Affiliation: | 1. Anhui Normal University, Wuhu 241000, China;2. Division of Computational Science, E-Institutes of Shanghai Universities at SJTU, Shanghai 200240, China ;3. LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China ;4. Chinese Academy of Meteorological Sciences, Beijing 100081, China |
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| Abstract: | The EI Ni\~{n}o/La Ni\~{n}a--Southern Oscillation (ENSO) is an
interannual phenomenon involved in the tropical Pacific
ocean--atmosphere interactions. In this paper, a class of coupled
system of the ENSO mechanism is considered. Based on a class of
oscillator of ENSO model, the asymptotic solution of a corresponding
problem is studied by employing the approximate method. It is proved
from the results that the perturbation method can be used for
analysing the sea surface temperature anomaly in the equatorial
eastern Pacific and the thermocline depth anomaly of the
atmosphere--ocean oscillation for the ENSO model. |
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| Keywords: | nonlinear system asymptotic method El Ni\~{n}o--Southern
Oscillator model |
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