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讨论了厄尔尼诺-南方涛动(ENSO)大气物理动力系统.利用对时滞函数幂级数展开和微分方程解析理论,得到了海-气振子系统的幂级数解,并通过弱阻尼和强阻尼两个典型的例子叙述了相应解在对应的相平面上的轨线的发展趋势.从而指出了海-气振子的后效情况. 相似文献
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A sea-air oscillator model is studied using the time delay theory.The aim is to find an asymptotic solving method for the El Nio -southern oscillation (ENSO) model.Employing the perturbed method,an asymptotic solution of the corresponding problem is obtained.Thus we can obtain the prognoses of the sea surface temperature (SST) anomaly and the related physical quantities. 相似文献
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The EI Ni~{n}o/La Ni~{n}a--Southern Oscillation (ENSO) is aninterannual phenomenon involved in the tropical Pacificocean--atmosphere interactions. In this paper, a class of coupledsystem of the ENSO mechanism is considered. Based on a class ofoscillator of ENSO model, the asymptotic solution of a correspondingproblem is studied by employing the approximate method. It is provedfrom the results that the perturbation method can be used foranalysing the sea surface temperature anomaly in the equatorialeastern Pacific and the thermocline depth anomaly of theatmosphere--ocean oscillation for the ENSO model. 相似文献
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A class of perturbed mechanisms for the western boundaryundercurrents in the Pacific is considered. The model of generalizedgoverning equations is studied. Employing the method of variationaliteration, an approximate solution of corresponding model isobtained. It is proved from the results that the solution for thevariational iteration method can be used for analysing operation ofthe perturbed mechanism of western boundary undercurrents in thePacific. 相似文献
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A class of delayed oscillators of El Ni?o-southern oscillation (ENSO) models is considered. Using the delayed theory, the perturbed theory and other methods, the asymptotic expansions of the solutions for ENSO models are obtained and the asymptotic behaviour of solution of corresponding problem is studied. 相似文献
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In this paper, a class of coupled system for the El Ni no/La Ni na southern oscillation (ENSO) atmospheric physics oscillation model is considered. We propose an ENSO atmospheric physics model using a method from the asymptotic theory. It is indicated from the results that the asymptotic method can be used for analyzing the sea surface temperature anomaly and the thermocline depth anomaly of the atmosphere-ocean oscillation for the ENSO model in the equatorial Pacific. 相似文献
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This paper consider a class of perturbed mechanism for the westernboundary undercurrents in the Pacific. The model of generalizedgoverning equations is studied. Using the perturbation method, itconstructs the asymptotic solution of the model. And the accuracy ofasymptotic solution is proved by the theory of differentialinequalities. Thus the uniformly valid asymptotic expansions of thesolution are obtained. 相似文献