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用第一部分建立的简单海气耦合模式，研究了西太平洋暖池的形成过程及其对大气扰动的影响。模式可以较好地模拟出热带太平洋海温“西高东低”的分布，以及“暖池”附近ＳＳＴ的水平梯度较小等特征。在垂直方向上海洋混合层深度关于赤道呈准对称的“马鞍”型分布特征也可以从理论上和数值模拟的结果中得到证实。模式中“暖池”形成的时间尺度大约为半年多，大气中凝结潜热的释放有利于“暖池”的快速形成，提高凝结潜热的释放的效率，“暖池”形成的时间就缩短。“暖池”形成的动力学机制是海气耦合系统中海洋Ｒｏｓｓｂｙ波振幅的不稳定增长所致。“暖池”区海气之间的耦合作用确实对热带大气的季节内振荡产生影响。当海气之间进行耦合作用时，可以模拟得到扰动传播的周期大约为５０多天（ｄ），与实际观测相吻合。提高海气之间的耦合强度会降低扰动的传播速度，使传播周期明显加大。当不考虑海气之间的耦合作用时，模拟得到的扰动传播周期明显地比用耦合模式得到的要小。
Using the simple coupled ocean-atmosphere model established in the first part, the formation process of the western Pacific warm pool and its influence on atmospheric disturbance are studied. The model can well simulate the distribution of the SST in the tropical Pacific and the SST in the vicinity of the “warm pool”. The quasi-symmetrical “saddle” distribution features of ocean mixed layer depth in the vertical direction can also be proved both theoretically and numerically. The time scale of “warm pool” formed in the model is about six months. The release of latent heat of condensation in the atmosphere is conducive to the rapid formation of “warm pool” and the efficiency of release of latent heat of condensation, which shortens the time of “warm pool” formation. The kinetic mechanism of the “warm pool” formation is due to the unstable increase of the amplitude of the oceanic Rossby wave in the coupled ocean-atmosphere system. The coupling between seawater in the “warm pool” does have an impact on the intraseasonal oscillation of the tropical atmosphere. When the coupling between the sea-air can be simulated, the period of the disturbance propagation can be simulated to be about 50 days (d), which agrees well with the actual observation. Increasing the coupling strength between the air and sea gas will reduce the speed of the disturbance and make the period of the communication significantly increase. When the coupling between the sea-air is neglected, the period of disturbance propagation obtained by the simulation is obviously smaller than that obtained by the coupled mode.