The relationship between CEF and China summer rainfall and that between CEF and tropical cyclone frequence(TCF) in the Northwest Pacific(NWP) are investigated.

• 确定了东半球季风区对流层高低层各支越赤道气流通道的位置，并探讨了越赤道气流与我国夏季降水和西北太平洋上热带气旋发生频数的年际变化之间的关系。