IMHE OpenIR
investigationandassessmentoflandslidesanddebrisflowsinsichuanprovinceofchinabyremotesensingtechnique
Zhang Baolei1; Zhang Shumin2; Zhou Wancun1
2006
Source Publicationchinesegeographicalscience
ISSN1002-0063
Volume16Issue:3Pages:223
AbstractTaking TM images, ETM images, SPOT images, aerial photos and other remote sensing data as fundamental sources, this research makes a thorough investigation on landslides and debris flows in Sichuan Province, China, using the method of manual interpretation and taking topography maps as references after the processes of terrain correction, spectral matching, and image mosaic. And then, the spatial characteristics of landslides and debris flows in the year of 2005 are assessed and made into figures. The environmental factors which induce landslides and debris flows such as slope, vegetation coverage, lithology, rainfall and so on are obtained by GIS spatial analysis method. Finally, the relationships of landslides or debris flows with some environmental factors are analyzed based on the grade of each environmental factor. The results indicate: 1) The landslides and debris flows are mainly in the eastern and southern area of Sichuan Province, however, there are few landslides and debris flows in the western particularly the northwestern Sichuan. 2) The landslides and debris flows of Sichuan Province are mostly located in the regions with small slope degree. The occurring rate of debris flow reduces with the increase of the vegetation coverage degree, but the vegetation coverage degree has little to do with the occurrence of landslide. The more rainfall a place has, the easier the landslides and debris flows take place.
Language英语
Funding Project[Chinese Academy Sciences] ; [Science & Technology Bureau of Sichuan Province]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/31651
Collection中国科学院水利部成都山地灾害与环境研究所
Affiliation1.中国科学院成都山地灾害与环境研究所
2.中国科学院大学
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Zhang Baolei,Zhang Shumin,Zhou Wancun. investigationandassessmentoflandslidesanddebrisflowsinsichuanprovinceofchinabyremotesensingtechnique[J]. chinesegeographicalscience,2006,16(3):223.
APA Zhang Baolei,Zhang Shumin,&Zhou Wancun.(2006).investigationandassessmentoflandslidesanddebrisflowsinsichuanprovinceofchinabyremotesensingtechnique.chinesegeographicalscience,16(3),223.
MLA Zhang Baolei,et al."investigationandassessmentoflandslidesanddebrisflowsinsichuanprovinceofchinabyremotesensingtechnique".chinesegeographicalscience 16.3(2006):223.
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