Analysis on Runoff Characteristics of Lixianjiang Basin

In order to clarify the runoff characteristics of Lixianjiang basin,this paper analyzed the observational data of hydrological stations in Lixianjiang Basin,the frequency of runoff and runoff were calculated with the reference station method and comprehensive index and area method.The results show that the runoff source of Lixianjiang origins from precipitation,runoff and precipitation distribution of annual change are corresponding to the allocation within a year,the total annual change is characterized by small,but uneven distribution during the year.