摘要：With the influence of climate change and human activities, the runoff series will have discontinued point. The diagnosis of discontinued point is an important part of runoff analysis and calculation. This paper used the comprehensive diagnosis method to diagnosis the discontinued point of the tributary of the runoff series in Longchuan river basin, indicating that the flood mutated in 1979 and 1998, which are significant discontinued points. The result is consistent with the hydrological investigated results. The comprehensive diagnosis method can consider the advantages of various methods and avoid the limitation of single method.
