Asymptotic solution of a sea--air oscillator for ENSO mechanism
Mo Jia-Qi(莫嘉琪)a)b)†, Lin Wan-Tao(林万涛)c), and Wang Hui(王辉)d)
a Anhui Normal University, Wuhu 241000, China; b Division of Computational Science, E-Institutes of Shanghai Universities at SJTU, Shanghai 200240, China; c LASG, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China; d Chinese Academy of Meteorological Sciences, Beijing 100081, China
Abstract The EI Niño/La Niña--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.
Received: 05 July 2006
Revised: 07 July 2006
Accepted manuscript online:
Fund: 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).
Cite this article:
Mo Jia-Qi(莫嘉琪), Lin Wan-Tao(林万涛), and Wang Hui(王辉) Asymptotic solution of a sea--air oscillator for ENSO mechanism 2007 Chinese Physics 16 578
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