Homotopic method of solving a class of EI Ni(n)o/La Ni(n)a-Southern Oscillation sea-air oscillator

• 来源期刊: 中国物理（英文版）
• 关键词: nonlinear homotopic theory El Ni(n)o/La Ni(n)o-Southern Oscillation model
• 年，卷（期）: 2006,（9）
• 页码范围: 1927-1931
• 页数: 5页
• 语种: 英文

摘要

The EI Ni(n)o/La Ni(n)a-Southern Oscillation (ENSO) is an interannual phenomenon involved in the tropical Pacifc Ocean-atmosphere interactions. In this paper, an asymptotic method of solving the nonlinear equation for the ENSO model is created. And based on a class of oscillator of the ENSO model, the approximate solution of a corresponding problem is studied by employing the method of homotopic mapping. It is proved from the results that the homotopic 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.