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《The Chinese Journal of Geological Hazard and Control》 2017-01
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Analysis on the debris flow hazard of Luogaoyida gully in Meigu county of Sichuan province

HU Yunpeng;SHAO Hai;FENG Wenkai;WEI Changli;YIN Zhiqiang;ZHANG Ying;State Key Laboratory of Geohazard Prevention and Geoenvironment Protection,Chengdu University of Technology;China Institute of Geological Environmental Monitoring;Sichuan Institute of Geological Suevey;  
There are many tributaries on both sides of Luogaoyida valley in Meigu River Watershe,southwest China.The downward erosion effect,excellent catchment conditions and rich materials for the debris flows.In this regional geological environment contains a potential threat to the outbreak of debris flows.Author divide the tributary into lasting tributary and fulminant tributary based on field investigation and indoor numerical calculation.On the basis of the mass of debris flow mechanism,combined with local rainfall conditions through the awareness of mass of debris flow hazard and quantized calculation..we can find that on the condition of encountering maximum rainfall in 50 years,Mudslides' flow can be 4.65 × 104m~3; On the condition of encountering maximum rainfall in 100 years,Mudslides' flow can be 5.17 × 104m~3.Accordingly,the new idea of "point-line-area"to speculated the mechanism of the hazards and dangers can provide a reference for future cases of prevention design about debris flow disaster.
【Fund】: 国家自然科学基金(41572291);; 中国地质调查局地质调查项目(12120115045201)
【CateGory Index】: P642.23
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【Co-citations】
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1 WANG Tao;CHEN Ning-sheng;DENG Ming-feng;LI Jun;Key Laboratory of Mountain Hazards and Surface Progress,Chinese Academy of Sciences;Institute of Mountain Hazards and Environment,Chinese Academy of Sciences;University of Chinese Academy of Sciences;;Study on the critical hydraulic condition of debris flow in scoured channel[J];泥沙研究;2018-01
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