[1]杨东旭,陈晓清,游勇,等.汶川地震区绵竹小岗剑沟泥石流发展趋势[J].山地学报,2012,(06):701.
 YANG Dongxu,CHEN Xiaoqing,YOU Yong,et al.The Debris Flow Development Trend of in Xiaogangjian Gully in Mianzhu County,Wenchuan Earthquake Zone[J].Mountain Research,2012,(06):701.
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汶川地震区绵竹小岗剑沟泥石流发展趋势()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2012年06期
页码:
701
栏目:
山地学报
出版日期:
2012-01-01

文章信息/Info

Title:
The Debris Flow Development Trend of in Xiaogangjian Gully in Mianzhu County,Wenchuan Earthquake Zone
作者:
杨东旭;陈晓清;游勇;柳金峰;陈兴长;赵万玉;
1.中国科学院水利部成都山地灾害与环境研究所/中国科学院山地灾害与地表过程重点实验室,四川 成都610041;
2.中国科学院大学,北京100049;
3.西南科技大学资源与环境工程学院,四川 绵阳621010
Author(s):
YANG DongxuCHEN XiaoqingYOU YongLIU JinfengCHEN XingchangZHAO Wanyu
1 Key Laboratory of Mountain Hazards and Earth Surface Processes,Institute of Mountain Hazards and Environment,CAS,Chengdu 610041,China;
2. University of Chinese Academy of Sciences,Beijing 100049,China;
3. School of Environment and Resource ,Southwest University of Science and Technology,Mianyang 621010,China
关键词:
汶川地震小岗剑沟泥石流发展趋势
分类号:
P642. 23
文献标志码:
A
摘要:
小岗剑沟是汶川地震区内一条典型的泥石流沟,位于绵远河的左测,流域面积1.36 km2,沟床平均纵比降412‰。该沟在2008年"5.12"汶川地震后多次暴发泥石流,掩埋从沟口通过的汉(旺)清(平)公路,给四川省绵竹市清平乡的地震灾后重建造成重大危害。通过初步分析,小岗剑沟泥石流的形成过程为:暴雨作用下沟因上游良好的汇流条件而产生山洪→山洪冲刷堆积在沟道内的松散固体物质形成小规模泥石流→泥石流沿大比降沟道向下运动,因具有强大动能而具有强大冲刷下切侵蚀能力,下切侵蚀下游沟床质以及沟口的老台地→在沟口形成大规模泥石流。地震后4 a内共暴发泥石流10次,将沟口老堆积体下切侵蚀深度达35 m,泥石流冲出...

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备注/Memo

备注/Memo:
收稿日期(Received date):2012-07-24;改回日期(Accepted) : 2012-09-08。
基金项目(Foundation item):国家科技支撑计划(2011BAK12B03) 和国家重点基础研究发展计划“973”计划(2011CB409903)资助。\[This research is supported by National Key Technology R&D Program (2011BAK12B03) and National Basic Research Program “973 ”Program ( 2011CB409903).\]
作者简介(Biography):杨东旭(1985-), 男, 河南南阳人, 硕士研究生, 主要从事泥石流防治。\[Yang Dongxu, male, born in 1985, Nanyang of Henan province, master, mainly engaged in debris f low prevention and mitigation.\] *
通讯作者(Corresponding author):陈晓清(1974-), 男, 四川遂宁人, 研究员, 研究方向为泥石流滑坡减灾理论与技术。\[Chen Xiaoqing, male, born in 1974, Suining of Sichuan province, doctor, professor, mainly engaged in mountain hazards prevention and mitigation.\] E-mail:xqchen@imde.ac.cn
更新日期/Last Update: 1900-01-01