期刊名称：ISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences
印刷版ISSN：2194-9042
电子版ISSN：2194-9050
出版年度：2008
卷号：XXXVII Part B4
页码：1677-1682
出版社：Copernicus Publications
摘要：The large rainstorm happened on Sep. 3, 2004 at Tiantai village of Xuanhan County, Sichuan province, which lead to a oversize landslide. The foreside of landslide slid into the Qian river and formed a dam about 20m height, jammed the Qian river and caused heavy damage and loss. Based on the digital landslide and 3D Visualization Technique, the research of the landslide was started by using the high resolution satellite images of pre-landslide (INKONOS image) and post-landslide (QUICKBIRD image). Remote sensing investigation, human-machine interactive interpretation was used to confirm the borderline, form, feature and area of the landslide, the twin characteristic dots was used to deduced slip direction and slip distance. The paper makes good use of geology theory to discuss the formation and mechanism of landslide, Synthetically analyzing the characteristic of deposit, it is deduced Tiantai landslide is a large typical drag and along-bedding slope landslide. The slide mode of distortion and breach is belonged to plastic flow-tensile fracturing of slope
