Abstract: Continuous API hydrological model is the combination of unit hydrograph method, the computer technique and rainfall-runoff correlation hydrograph method which takes antecedent precipitation as parameter traditionally. It may forecast continuous process line. This paper, basing on principle of API model, improved the parameters and the flood forecasting model was applied to Jinshuitan drainage area which got good effect.

摘要： 连续API 模型是传统的以前期影响雨量( Pa) 为参数的降雨径流相关图法、单位线( 或等时线) 法与计算机技术相结合的产物, 能预报连续的过程线。本文根据连续API 模型原理, 对模型参数进行改进, 建立洪水预报模型应用于紧水滩流域, 效果良好。