A nonlinear convection-reaction-diffusion equation is used as a model equation of the El Nino events. In this model, the effects of convection, turbulent diffusion, linear feed-back and nonlinear radiation on the anomaly of Sea Surface Temperature (SST) are considered. In the case of constant convection, this equation has exact kink-like travelling wave solutions, which can be used to explain the history of an El Nino event.
Financed by the National Centre for Research and Development under grant No. SP/I/1/77065/10 by the strategic scientific research and experimental development program:
SYNAT - “Interdisciplinary System for Interactive Scientific and Scientific-Technical Information”.