Nonlinear Analysis of Equatorial Eastern Pacific Air-Sea Coupling Oscillation and a Limit-Cycle Theory for ENSO Cycle

HUANG Si-xun; XIANG Jie; HAN Wei

Volume 25 Issue 5

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Article Navigation > Applied Mathematics and Mechanics > 2004 > 25(5): 472-480

HUANG Si-xun, XIANG Jie, HAN Wei. Nonlinear Analysis of Equatorial Eastern Pacific Air-Sea Coupling Oscillation and a Limit-Cycle Theory for ENSO Cycle[J]. Applied Mathematics and Mechanics, 2004, 25(5): 472-480.

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Nonlinear Analysis of Equatorial Eastern Pacific Air-Sea Coupling Oscillation and a Limit-Cycle Theory for ENSO Cycle

P. O. Box 003, Nanjing 211101, P. R. China

Received Date: 2003-06-28
Rev Recd Date: 2004-01-20
Publish Date: 2004-05-15

Abstract

Abstract

The troposphere and ocean mixed layer were considered as two components of a dynamic system operated by solar radiation as the constant source of energy, where upon an air-sea coupling self-exited coupling oscillation model was based with the aid of a locally averaged thermodynamic climate model, resulting mathematically in a closed self-governed dynamic system, a so-called El Nino-Southern Oscillation(ENSO) system. With the limit cycle solution of the system. It is shown that the essential physics of the coupled system can be described by the ENSO system. Compared with the observations, the theoretical limit cycle orbit mat ches the observed phase loop qualitatively. The ENSO system provides a useful theoretical framework for study of interannual variation of the tropical climate system.
- ENSO,
- limit cycle,
- self-exited oscillation

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References(12)

References

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