<正>The role of the intraseasonal oscillation(ISO) on the seasonal and interannual variations of the Indian summer monsoon is investigated based on the analysis of observational data.It is shown that the ISO significantly contributes to the establishment of low-level westerlies during the monsoon onset and developing periods.The effect of the ISO on the annual cycle of the monsoon is through nonlinear eddy momentum transport.On the interannual timescale,the Indian summer monsoon rainfall exhibits a significa...
【英文论文摘要】
The role of the intraseasonal oscillation(ISO) on the seasonal and interannual variations of the Indian summer monsoon is investigated based on the analysis of observational data.It is shown that the ISO significantly contributes to the establishment of low-level westerlies during the monsoon onset and developing periods.The effect of the ISO on the annual cycle of the monsoon is through nonlinear eddy momentum transport.On the interannual timescale,the Indian summer monsoon rainfall exhibits a significant ...
【基金】
Supported by National Basic Research Program of China(Grant No.2006CB403602);
National Natural Science Foundation of China(Grant Nos.40225012 and 40775039);
Chinese COPES Program(Grant No.GYHY200706005)