中小流域防洪决策支持系统设计研究——以我国东南沿海甬江流域为例

DESIGN OF DECISION SUPPORT SYSTEM FOR FLOOD CONTROL IN COASTAL MEDIUM AND SMALL BASINS ——A CASE STUDY IN THE YONGJIANG WATERSHED IN SOUTHEAST CHINA

以我国东南沿海甬江流域为例 ,探讨了将地理信息系统应用于中小流域洪水预警和防洪减灾系统的途径和方法 .研究设计了中小流域防洪决策支持系统的结构 ,初步实现了流域水情自动监测、洪水预警、灾情评估和洪水调度等多种功能 .该系统有力的提高了中小流域防洪决策水平 ,并为中小流域防洪减灾决策支持系统的建立提供了经验和模式 .

Taking the Yonjiang watershed in southeast China as an example, the approaches and methods of geographic information system applied to flood alert and flood disaster control and reduction system on medium and small basin are explored. Then, decision support system for flood control in the Yongjiang basin has been set up, which results in the preliminary realization of flood dynamic monitoring, flood forecasting, flood losses evaluation and flood regulation. This greatly improves flood proofing decision making capacities in medium and small river basin and provides valuable information and a mode for the set-up of decision support system for flood prevention and reduction in the river basin.