Research on Visual Simulation of Dam-break Flood Based on GIS

摘要：

On the basis of GIS, the visualization of depth, velocity, discharge, damage param-eter, flood arriving time and other elements of dam-break flood is visual. These elements are overlaid on other relative geographical information and the visualization of dam-break scene is realized. The data structure and generation methods of DTM are introduced, and the tech-nique of visualization of dam-break elements by using DTM is discussed. In this paper, full advantage of the conjoint analysis between spatial data and attribute data is taken. The fun-damental principles of visual simulation of dam-break flood are discussed in the paper. The methods proposed provide a reasonable basis for reservoir dam security management emer-gency preparation plan, which have high application value.

关键词： Flood risk mapping dam-breaks GISt DTM spatial analysis

作者: Wang Xiaohang Sheng Jinbao Li Lei Xu Hua

作者单位: Nanjing Hydraulic Research Institute, Nanjing 210029, China

会议类型: 国际会议

会议名称: International Conference on Dam Safety Management(2008水库大坝安全管理国际研讨会)

会议地点: 南京

会议语种:英文

页码: 449-455

在线出版日期: 2008-10-22（万方平台首次上网日期，不代表论文的发表时间）