由於水利資源的利用日益增多,愈來愈迫切的感覺到使預報方法更精確的必要,尤其是使各個時期的逕流量預報方法更精確的必要。如衆所知,由於水文氣象資料的精度(作預報用)不足,以及對逕流形成的復雜過程研究的不足,使得以利用氣象資料爲基礎的逕流量預報的誤差是很大的。所 Due to the increasing use of water resources, there is an increasing sense of urgency about the need to make forecasting methods more accurate, and in particular to make the runoff forecasting methods for each period more accurate. As we all know, due to the lack of accuracy of hydrological meteorological data (for forecast use) and the lack of research on the complicated process of runoff formation, errors in runoff forecast based on meteorological data are significant. The