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天气和气候分析的事实告诉我们,赤道地区不仅存在着天气尺度的扰动,同时也存在着长达数月乃至数年的准周期性振动.这类长周期的振动也出现在海洋运动(如海流和海水温度)中.关于赤道地区天气尺度的扰动,松野(Matsuno)等从理论上作过分析.他采用beta平面近似,得到了赤道地区混合罗斯贝(Rossby)重力波等几种波动.以后林良一(Hayashi)、郭晓岚等又考虑了凝结加热对这类波动垂直结构的影响,因而引
Weather and climate analysis tells us that not only the weather scale disturbance but also the quasi-periodic vibration up to several months or even several years exist in the equatorial region. Such long-period vibrations also occur in marine motions And seawater temperature.) Matsuno et al. Analyzed the perturbation of the weather scale in the equatorial regions, using the beta plane approximation, and obtained several fluctuations such as the Rossby gravity wave in the equatorial region Hayashi and Guo Xiaolan also consider the effect of condensation heating on the vertical structure of such fluctuations.