Chapter 1 Introduction 1.2 Problems in hydrological modeling 1.3 Application field of hydrological model Chapter 2 Hydrological analysis and rain- runoff processes 2.1 Hydrological analysis 2.2 Rainfall - runoff process 2.3 Data preparation Chapter 3 Calibration methods 3.1 Sensitivity analysis 3.2 Global optimization 3.3 Parallelization of optimization algorithm Chapter 4 Modeling system and visualization 4.1 Why a GIS based modeling system is needed 4.2 GIS based hydrological models 4.3 Functionaliiy of a GIS based hydrological model 4.4 Structure of a hydrological modeling syslem 4.5 Pre - processing 4.7 Meteorological data interpolation 4.9 Post-processing Chapter 5 Hydro - cycle simulation in Hanjiang River 5.1 Study area 5.2 Land cover and soil 5.3 Meteorology 5.4 Results and discussion 5.5 Summary Chapter 6 Water resource distribution analysis to up - stream Yangtze River 6.1 Study area 6.2 Climate change scenarios 6.3 Land cover and soil texture 6.4 Meteorological and hydrological data Chapter 7 Calibration on high parameter complexity hydrological model 7.1 The efficiency of SA-MO 7.2 Parallelization test to MOPSO in calibration 7.3 Comparison of three multi- object.ive optimization algorithms Chapter 8 Flood simulation by using artificial neutral network 8.1 Flood simulation by using GAWANN 8.2 Rainfall- runoff simulation through SAWANN Chapter 9 Conclusions References