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A Delayed Action Oscillator for ENSO

Journal of the Atmospheric Sciences · 1988 · Vol. 45(21) · pp. 3283–3287
Max J. SuárezPaul S. Schopf

Abstract

A simple nonlinear model is proposed for the El Niño/Southern Oscillation (ENSO) phenomenon. Its key feature is the inclusion of oceanic wave transit effects through a negative, delayed feedback. A linear stability analysis and numerical results are presented to show that the period of the oscillation is typically several times the delay. It is argued such an effect can account for the long time scale of ENSO.

Nonlinear Dynamics and Pattern FormationAdvanced Thermodynamics and Statistical MechanicsClimate variability and modelsOscillation (cell signaling)El Niño Southern OscillationNonlinear systemClimatologyInstabilityAction (physics)PhysicsControl theory (sociology)MeteorologyGeology
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