Susceptibility assessment of earthquake-triggered landslide in Wenchuan

Shu Tao; Deyong Hu; Wenji Zhao

doi:10.1117/12.873273

3 November 2010 Susceptibility assessment of earthquake-triggered landslide in Wenchuan

Shu Tao, Deyong Hu, Wenji Zhao

Proceedings Volume 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications; 78411J (2010) https://doi.org/10.1117/12.873273
Event: The Sixth International Symposium on Digital Earth, 2009, Beijing, China

Abstract

The Ms 8.0 Wenchuan earthquake, occurred on 12 May 2008 in Sichuan Province, collapsed a great many houses and injured hundreds of thousands of people. Undoubtedly, it can be predicted that secondary earthquake landslides will draw much attention during a long time after the earthquake due to the severe geological hazard. In order to remove threat from the secondary disasters effectively, this study used techniques of remote sensing and GIS to generate susceptibility maps, taking the case of Wenchuan County. Seven factors controlling landslide occurrence have been taken account into the susceptibility assessment, including elevation, slop, aspect, lithology, seismic intensity, distance to faults and rivers. According to the probability that predicts the possibility of landslide occurrence calculated applying information value method and logistic regression separately, the study zone was ultimately categorized into five classes, specifically, "extremely low", "low", "moderate", "high" and "very high". These results have been proved to reflect closely the spatial distributions of landslides in the study area.

Citation Download Citation

Shu Tao, Deyong Hu, and Wenji Zhao "Susceptibility assessment of earthquake-triggered landslide in Wenchuan", Proc. SPIE 7841, Sixth International Symposium on Digital Earth: Data Processing and Applications, 78411J (3 November 2010); https://doi.org/10.1117/12.873273

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available