【摘要】 利用2004年7-9月和2005年4-9月的磨盘山流域雨量站逐日降水资料和ECMWF24～168h的格点资料,并依据最小离度相似原理,进行相似离度过滤,通过从历史样本中选出与预报形势演变场最相似的样本,可以对磨盘山库区未来1～7 d的面雨量等级进行预报,并具有较满意的精度。更多还原

【Abstract】 Using daily precipitation data for July-September,2004 and April-September,2005 from meteorological station located at Mopanshan basin and 24~168 h ECMWF information,and in light of the minimum separation similarity principle,the similar separation filtering was conducted.The sample which is the most similar to forecast situation evoluting field were selected from historical samples.Based on the work mentioned above the rainfall grade in future 1~7d can be forecasted.更多还原