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Debris flows in Mozi gully, China following the 2008 Wenchuan earthquake
语种英语
Su, Pengcheng1,2,3; Wei, Fangqian2,3; Cheng, Zunlan2,3; Liu, Jingjing1,2,3
2011
会议录名5th International Conference on Debris-Flow Hazards Mitigation: Mechanics, Prediction, and Assessment
会议录编者/会议主办者R. Genevos ; D.L. Hamlion ; A. Prestinuizi
页码769-777
会议名称5th International Conference on Debris-Flow Hazard Mitigation: Mechanics, Prediction, and Assessment
会议日期2011
会议地点Padua
会议举办国Italy
出版者American Society of Civil Engineers (ASCE)
产权排序1
摘要Numerous landslide that provided abundant material for the mobilization of debris flows were triggered in the Mozi gully on the right bank of Mingjiang River in response to the M8.0 Wenchuan earthquake of May 12, 2008. Following the earthquake, debris flows occurred during July through September of 2008 and again in September of 2009. Five of these events blocked the Mingjiang River. This paper estimates the volume of landslide material contributed to the valley by comparing remote sensing images before and after the quake, and analyzes the resultant landslide dams to estimate the volume ume of material necessary to block the channel. Return periods of debris flows with varying peak discharges are estimated based on empirical formulas and field surveys of the valley. © 2011 Casa Editrice Universita La Sapienza.
关键词Comprehensive fuzzy evaluation methods Glacial debris flows Glacial lake outburst flood High and steep slope In-situ investigations International Karakorum Highway (KKH) Occurrence frequencies Risk evaluation
DOI10.4408/IJEGE.2011-03.B-112
ISBN号9788895814469
收录类别EI
EI收藏号Accession number:20122315082225
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文献类型会议论文
条目标识符http://ir.imde.ac.cn/handle/131551/24066
专题山地灾害与地表过程重点实验室
通讯作者Su, Pengcheng
作者单位1.Key Laboratory of Mountain Hazards and Surface Process, Chinese Academy of Sciences, Chengdu, 610041, China;
2.Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Ministry of Water Conservancy, Chengdu, 610041, China;
3.Graduate School of Chinese Academy of Science, Beijing, 100039, China
第一作者单位中国科学院水利部成都山地灾害与环境研究所
通讯作者单位中国科学院水利部成都山地灾害与环境研究所
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Su, Pengcheng,Wei, Fangqian,Cheng, Zunlan,et al. Debris flows in Mozi gully, China following the 2008 Wenchuan earthquake[C]//R. Genevos, D.L. Hamlion, A. Prestinuizi:American Society of Civil Engineers (ASCE),2011:769-777.
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