Singularly perturbed solution of a sea--air oscillator model for the ENSO
Mo Jia-Qi (莫嘉琪)ab, Wang Hui (王辉)c, Lin Wan-Tao (林万涛)d
a Department of Mathematics, Anhui Normal University, Wuhu 241000, China; b Division of Computational Science, E-Institutes of Shanghai Universities, at SJTU, Shanghai 200240, China; c Chinese Academy of Meteorological Sciences, Beijing 100081, China; d State Key Laboratory of Numerical Modeling for Atmosphere Sciences and Geophysical Fluid Dynamics, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China
Abstract A time delay equation for the sea--air oscillator model is studied. The aim is to create an asymptotic solving method of nonlinear equation for the El Ni?o--Southern Oscillation model. And based on a class of oscillators of the model, employing the method of ENSO singular perturbation, the asymptotic solution of corresponding problem is obtained. It is proven from the results that the method of singular perturbation can be used for analysing the sea surface temperature anomaly in the equatorial eastern Pacific of the atmosphere--ocean oscillation for ENSO model.
Received: 18 November 2005
Revised: 04 April 2006
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant Nos 90111011
and 10471039), the State Key Development Program for Basics Research of China (Grant Nos 2003CB415101-03 and 2004CB418304),the Key Project of the Chinese Academy
Cite this article:
Mo Jia-Qi (莫嘉琪), Wang Hui (王辉), Lin Wan-Tao (林万涛) Singularly perturbed solution of a sea--air oscillator model for the ENSO 2006 Chinese Physics 15 1450
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