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Probability assessment of river blocking by debris flow associated with the Wenchuan Earthquake
Zhuang, Jian-Qi1,2,3; Cui, Peng1,2; Ge, Yong-Gang1,2; He, Yi-Ping1,2; Liu, Ying-Hui4; Guo, Xiao-Jun1,2,3
Corresponding AuthorCui, P(崔鹏)
2010
Source PublicationINTERNATIONAL JOURNAL OF REMOTE SENSING
ISSN0143-1161
EISSN1366-5901
Volume31Issue:13Pages:3465-3478
SubtypeArticle
AbstractThis paper assesses the probability of the main stream in the Dujiangyan-Wenchuan reach of the Minjiang River becoming blocked by debris flows in response to the Wenchuan Earthquake of 12 May 2008, on the basis of analyses of remote sensing data and ground investigations. Background information of debris flow gullies was developed from field investigations and high-resolution remote sensing image interpretation, and was used to estimate the maximum discharge per unit width by means of the revised model of debris flow magnitude according to the situation after the Earthquake. Based on improved discrimination equations of river blocking induced by debris flow, 29 debris flow gullies were evaluated and classified as four probability levels: extreme high, high, moderate and low. The results show that most of the debris flow gullies were at or over moderate hazard level, accounting for 72.4% of the total area. The present results provide a scientific basis for the prevention, elusion and mitigation of debris flow hazards and will contribute to the reconstruction of an earthquake prone area.
KeywordRemote Sensing Debris Flow Associated Wenchuan Earthquake
WOS HeadingsScience & Technology ; Technology
DOI10.1080/01431161003730873
WOS Subject ExtendedRemote Sensing ; Imaging Science & Photographic Technology
Indexed BySCI
Language英语
Quartile4区
TOP
WOS SubjectRemote Sensing ; Imaging Science & Photographic Technology
WOS IDWOS:000280282000010
Funding OrganizationNational Key Fundamental Research Program of China (973) (2008CB425802);Chinese Academy Sciences (KZCX2-YW-Q03-5) ; National Key Fundamental Research Program of China (973)(2008CB425802) ; Chinese Academy Sciences(KZCX2-YW-Q03-5)
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Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5613
Collection山地灾害与地表过程重点实验室
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
2.Chinese Acad Sci, Key Lab Mt Hazards & Earth Surface Proc, Chengdu 610041, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
4.Lanzhou Univ, Lanzhou 730000, Peoples R China
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
Zhuang, Jian-Qi,Cui, Peng,Ge, Yong-Gang,et al. Probability assessment of river blocking by debris flow associated with the Wenchuan Earthquake[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2010,31(13):3465-3478.
APA Zhuang, Jian-Qi,Cui, Peng,Ge, Yong-Gang,He, Yi-Ping,Liu, Ying-Hui,&Guo, Xiao-Jun.(2010).Probability assessment of river blocking by debris flow associated with the Wenchuan Earthquake.INTERNATIONAL JOURNAL OF REMOTE SENSING,31(13),3465-3478.
MLA Zhuang, Jian-Qi,et al."Probability assessment of river blocking by debris flow associated with the Wenchuan Earthquake".INTERNATIONAL JOURNAL OF REMOTE SENSING 31.13(2010):3465-3478.
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