【摘要】 根据近40年月降水量和月平均环流资料分析表明,我国东部地区7月降水量具有明显的空间分布特征和阶段性变化;亚洲夏季风的强弱变化是影响我国7月降水的重要因子之一;春季亚洲大陆地面气压场的异常变化,对7月亚洲季风的强弱趋势变化,有重要指示意义.更多还原

【Abstract】 Based on precipitation data during the last 40 years the rainfall distribution patternand the stage properties in the eastern part of China in July are studied.The intensityfluctuation of the summer monsoon in Asia is one of the factors affecting the precipita-tion of China in July,while the anomalous changes of the surface pressure in the Asiancontinent in spring are a significant indicator of intensity of summer monsoon in Asia.更多还原