| "8.8"舟曲暴雨泥石流的成灾模式 |
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| 引用本文： | 赵成,王根龙,胡向德,李瑞冬,朱立峰,于国强."8.8"舟曲暴雨泥石流的成灾模式[J].西北地质,2011,44(3):63-70. |
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| 作者姓名： | 赵成 王根龙 胡向德 李瑞冬 朱立峰 于国强 |
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| 作者单位： | 1. 甘肃省地质环境监测院,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"甘肃省白龙江流域主要城镇环境工程地质勘查"，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： | 通过对甘肃省舟曲县三眼峪沟和罗家峪沟"8.8"特大暴雨型泥石流的调查分析,认为突发性强降雨、高山峡谷地貌和丰富松散堆积物是该泥石流灾害发生的3个成因特征.就致灾特征而言,涉及到承灾对象,包括3个方面,首先是堆积区高密度建筑的挤占造成行洪能力不足,致使出谷口后的面状泥石流再次汇集,引起泥石流流量集中和过流断面不足,破坏性...
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| 关 键 词： | 泥石流 堰塞湖 行洪能量 暴雨 舟曲 |
The Disaster Mode of Rainstorm Debris Flow Happened in Zhouqu County on August 8,2010 |
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| ZHAO Cheng,WANG Gen-long,HU Xiang-de,LI Rui-dong,ZHU Li-feng,YU Guo-qiang.The Disaster Mode of Rainstorm Debris Flow Happened in Zhouqu County on August 8,2010[J].Northwestern Geology,2011,44(3):63-70. |
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| Authors: | ZHAO Cheng WANG Gen-long HU Xiang-de LI Rui-dong ZHU Li-feng YU Guo-qiang |
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| Institution: | ZHAO Cheng1,WANG Gen-long2,HU Xiang-de1,LI Rui-dong1,ZHU Li-feng2,YU Guo-qiang2(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: | Through the field investigation and analysis on the Sanyanyu and Luojiayu valley debris flow happened in Zhouqu county,Gansu province on August 8,2010,the paper thought that the sudden strong rainfall,the alpine gorge landform and the rich loose deposits are the three basic conditions which caused the debris flow disaster.The disaster characteristics included three aspects.Firstly,the drainage channel was occupied excessively by the building in stack area,so the flood discharge capacity is insufficient.Seco... |
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| Keywords: | debris flow barrier lake flood discharge capacity rainstorm Zhouqu county |
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