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利用卫星观测的ＯＬＲ（Ｏｕｔｇｏｉｎｇ Ｌｏｎｇｗａｖｅ Ｒａｄｉａｔｉｏｎ）候平均资料（１９７９－１９９３年）分析热带东印度洋－西太平洋海域大气对流季节内振荡的空间分布特征。发现热带东印度洋－西太平洋海域（３５°Ｎ－３５°Ｓ，７５°Ｅ－１８０°Ｅ）大气对流运动的季节内振荡在４个区域中表现较明显：（１）热带东印度洋大气对流季节内振荡信号最强，显著的振荡周期集中在６．５－１２．５候；（２）澳大利亚西北洋面季节内振荡强信号主要周期表现为９．５－１５．５候；（３）澳大利亚东北洋面振荡周期集中在６．５－９．５候和９．５－１５．５候，南半球的大气对流活动季节内振荡显著区沿１０°Ｓ呈纬向带状分布；（４）南海北部、吕宋海峡附近及日本群岛以南的西北太平洋区域。ＩＳＯ振荡周期集中在６．５－１２．５候，南海南部季节内振荡周期集中在６．５－１５．５候。
The spatial distribution characteristics of atmospheric convection in the tropical East Indian Ocean-Western Pacific Ocean are analyzed using the satellite-based OLR data (1979-1993). It is found that the intraseasonal oscillations of atmospheric convection in the tropical East Indian Ocean-Western Pacific Ocean (35 ° N-35 ° S, 75 ° E-180 ° E) are more pronounced in four regions: (1) the tropical Indian Ocean convection season The internal oscillation signal strongest, the significant oscillation period focused on the 6.5-12.5 waiting; (2) the Australian Western North Sea surface sessional strong signal for the main period 9.5-15.5; (3) Australia The oscillation periods of the northeastern surface are concentrated in the 6.5-9.5 and 9.5-15.5 periods. The significant intraseasonal oscillations of atmospheric convection in the southern hemisphere are zonal distribution along the 10 ° S axis. (4) North, near the Strait of Luzon and the Pacific Islands south of the Japanese archipelago. ISO oscillation period centered on the 6.5-12.5 wait, the southern South China Sea in the period of the oscillation focus on the 6.5-15.5 wait.