The periodic oscillations in the ENSO recharge–discharge oscillator model

doi:10.1088/1674-1056/22/12/120201

Abstract A class of recharge–discharge oscillator model for the El Niño/Southern Oscillation (ENSO) is considered. A stable limit cycle is obtained by transforming the ENSO model into the van der Pol-Duffing equation. We proved that there exists periodic oscillations in the ENSO recharge–discharge oscillator model.

Keywords: ENSO model van der Pol-Duffing equation limit cycle

Received: 09 April 2013
Revised: 17 May 2013
Accepted manuscript online:

PACS:

02.30.Jr

(Partial differential equations)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 40975028 and 41175052).

Corresponding Authors: Zhang Wu-Fan
E-mail: zwf@pku.edu.cn

Cite this article:

Zhang Wu-Fan (张妩帆), Zhao Qiang (赵强) The periodic oscillations in the ENSO recharge–discharge oscillator model 2013 Chin. Phys. B 22 120201

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