【摘要】 分析了近40年来我国夏季降水的分布特征、形成原因及其变化规律。提出了一个制作我国东部地区夏季大范围降水趋势分布的长期预报方法。经近37年资料检验,拟合率达95%。1989—1991年的试验预报效果也令人满意。更多还原

【Abstract】 Based on the last 40 year data,the distributive patterns of summer rainfall in the east of Chi-na are given.Their climate characteristics and causes are analysed.According to the analysis,aconception model of long-range forecasting is established.The fitting frequency is 95% by termsof the test for 37 year data.The forecast results were satisfactory in 1989,1990 and 1991.更多还原