南亚高压低频振荡与长江中下游地区旱涝的关系

王文, 孙畅, 蔡晓军, 许金萍

Relationship between South Asia High Low Frequency Oscillation and the Drought and Flood in the Middle and Lower Reaches of the Yangtze River

Wang Wen, Sun Chang, Cai Xiaojun, Xu Jinping

30~60 d滤波的长江中下游低频降水时间序列与30~60 d滤波的低频200 hPa经向风场的时滞相关阴影区为信度检验超过99%的显著相关区,负时滞天数表示经向风超前于降水;正时滞天数表示经向风落后于降水