Evaluating the effect of topography on rock fall process using LiDAR
As a typical geomorphological process, rock fall is predominantly controlled by slope topography. For many situations, the occurrence of rock falls varies spatially which results in the difficulties of hazard assessment. Efficient hazard ifficultiesofhazardassessment.Efficienthazardassessment of rockfalls requires enabling technologies which facilitate topographical analysis. Using LiDAR (Light Detection And Ranging) technique enables us to capture the accurate topographical information of the hazardous area. This paper discusses effect of topography on rockfall process using LiDAR and process modeling. The process modeling of rock falls was conducted using Rockfall Analyst, a three dimensional rockfall analysis tool linked to a GIS system. Both high resolution LiDAR dataset and coarse digital elevation model were used to examine the effect of topography on the rockfall process in terms of rockfall runout, dispersion and energy distribution.
Hengxing LAN C.Derek Martin
Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, Canada Department of Civil and Environmental Engineering, University of Alberta, Edmonton, Alberta, Canada
国际会议
香港
英文
1-5
2009-05-19（万方平台首次上网日期，不代表论文的发表时间）