| 舟曲罗家峪“8．8”特大泥石流特征与成因 |
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| 引用本文： | 金凌燕,张茂省,王进聪,李文彦,李国营,孙萍萍.舟曲罗家峪“8．8”特大泥石流特征与成因[J].西北地质,2011,44(3):71-79. |
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| 作者姓名： | 金凌燕 张茂省 王进聪 李文彦 李国营 孙萍萍 |
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| 作者单位： | 1. 甘肃水文地质工程地质勘察院,甘肃兰州,730050
2. 中国地质调查局西安,地质调查中心,陕西西安,710054 |
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| 基金项目： | 国土资源大调查计划项目"西北黄土高原区地质灾害详细调查"，国土资源大调查项目"小秦岭金矿区环境地质问题调查与评价" |
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| 摘 要： | 舟曲“8．8”特大泥石流是我国有历史记载以来造成损失最大的一次泥石流灾害，如实地记录这次灾害的特点、形成条件及致灾因素，分析其发展趋势并提出风险减缓措施，对指导灾后重建和今后的研究都是十分必要的。以舟曲“8．8”泥石流中的罗家峪为对象，通过泥石流勘查，分析了泥石流形成的地质环境条件，描述了三眼峪泥石流的分区特征和堆积物特征，从泥石流的堆积特征、重度、流速、流量的特征值等方面阐述了本次泥石流的发育特征；从地形地貌、固体物质和极端降雨等方面分析了泥石流的形成原因。
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| 关 键 词： | 泥石流 发育特征 成因分析 舟曲 罗家峪 |
The Characteristics and Forming Reasons of "8.8" Debris Flow at Luo jiayu Gulley,Zhouqu |
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| JIN Ling-yan,ZHANG Mao-sheng,WANG Jin-cong,LI Wen-yan,LI Guo-ying,SUN Ping-ping.The Characteristics and Forming Reasons of "8.8" Debris Flow at Luo jiayu Gulley,Zhouqu[J].Northwestern Geology,2011,44(3):71-79. |
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| Authors: | JIN Ling-yan ZHANG Mao-sheng WANG Jin-cong LI Wen-yan LI Guo-ying SUN Ping-ping |
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| Institution: | JIN Ling-yan1,ZHANG Mao-sheng2,WANG Jin-cong1,LI Wen-yan2,LI Guo-ying1,SUN Ping-ping2(1.Gansu Institute of Geological Environment Monitoring,Lanzhou 730050,China,2.Xi'an Center of Geological Survey,CGS,Xi'an 710054,China) |
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| Abstract: | The debris flow happened on 8th august 2010 in Zhouqu county is a disaster which caused the biggest damage in Chinese recorded history.It is extremely meaningful to faithfully record the features,forming reasons and triggering factors of this debris flow,analysis the developments and propose the risk mitigation measures for the reconstructions guidance and further study of this disaster.This paper takes the debris flow at Luojiayu gulley as an example.Based on detailed exploration,the forming reasons of thi... |
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| Keywords: | debris flow development features forming reasons Zhouqu Luojiayu gulley |
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