Hydrology and Water Resources System Bayesian Analysisabout State-of-the-Art and Prospect

The paper introduces briefly the basic principles of Bayesian analysis, reviews its applications to uncertainty analysis and decision making in runoff forecasts, flood analysis and regionalization, water resources planning and management, etc., presents the recommendations for further researches, and provides emphatically the authors' combination approach that integrates grey prior distribution and fuzzy likelihood function into a Bayesian framework.