摘要
Southern Oscillation Indices (SOI)is the major factor reflecting the different phases of tropical air-sea interaction of planetary scale. It is well known that SOI influence greatly the low frequency fluctuation of tropical and subtropical circulations. Now, by means of two kinds of monthly SOI data in the term of more than 30 years, the author analyzes its lagging relation with some characteristical parameters of monthly WPH during the rainy season of China and finds out a significant
