地理信息系统在水文水环境模拟应用进展

his paper gives a brief introduction to the Geographic Information System, and analyzed the application of Geographic Information System in surface water and groundwater hydrological simulations, and non-point source pollution simulations. Besides, it also points out the deficits and problems existing in the application of Geographic Information System in hydrology and water environment, and previews the development direction of the application of Geographic Information System in hydrology and water environment.