Abstract
Uncertainty study of hydrological model is an important subject in hydrological science research. Uncertainty analysis of model parameters is one of the important contents of hydrological model uncertainty research. This paper takes Hongjiata watershed as the research object, uses GLUE algorithm to analyze the uncertainty of parameters of Xin’anjiang model, and determines the sensitivity and range of parameters through the distribution law of qualified parameters. The conclusion shows that the GLUE algorithm can improve the calibration efficiency of Xin’anjiang model parameters and narrow the range of values, which can provide reference for model application in other areas.
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