[1]陈浩,李勇.岷江上游水系对龙门山断裂带右旋走滑作用的响应[J].山地学报,2013,(02):211.
　CHEN Hao,LI Yong(7).Water System Responding to the Dextral Strikeslipping of the Longmenshan Fault Zone in the Upper Min River Basin[J].Mountain Research,2013,(02):211.
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岷江上游水系对龙门山断裂带右旋走滑作用的响应()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2013年02期
页码:
211
栏目:
山地灾害
出版日期:
2013-01-01

文章信息/Info

Title:
Water System Responding to the Dextral Strikeslipping of the Longmenshan Fault Zone in the Upper Min River Basin
作者:
陈浩;李勇;
1.绵阳师范学院 资源环境工程学院，四川 绵阳 621000；
2.成都理工大学 油气藏地质及开发工程国家重点实验室，四川 成都 610059
Author(s):
CHEN Hao; LI Yong(217)
1.College of Resources and environmental engineering,Mian Yang Normal University,Mianyang 621000,Sichuan,China;
2.National Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu 610059,China
关键词:
岷江上游; 龙门山断裂带; 右旋走滑; 响应
Keywords:
the upper Min River basin;  Longmenshan fault zone;  Dextral strike slip;  response
分类号:
P931.2,P64
文献标志码:
A
摘要:
汶川8.0级特大地震是岷江上游流域最新一次区域构造活动,在此次地震中,岷江河道因北川-映秀断裂北西盘的右旋走滑作用而被水平错动0.8±0.2 m,岷江河道南西方向的河流阶地也被同步位错0.6±0.1 m。切过龙门山主干断裂的岷江上游干、支流水系因若干次历史地震驱动的走滑作用而发生同步弯曲。根据水系水平扭错量和岷江干、支流初始形成时间计算可知,穿越岷江支流河道的汶川-茂县断裂右旋走滑速率为1～1.4 mm/a,切过岷江干流河道的北川-映秀断裂和彭县-灌县断裂右旋滑动速率分别为0.94 mm/a和0.71 mm/a。计算结果表明,龙门山各主干断裂右旋走滑作用有自北西向南东减弱的趋势。
Abstract:
The Wenchuan Ms80 earthquake was the latest regional tectonic activity in the upper Min River basin.The horizontal displacement of Min River channel reached 08±02 m for dextral strike slip movement of Beichuan-Yingxiu fault, and the synchronous displacement of the river terrace in the southwest side of Min River channel reaches 06±01 m.The horizontal movement of the main and tributary of Min River were caused by the strike slipping in historical earthquakes. The dextral strikeslip rate of faults was calculated according to the horizontal slip amount and initial formation time of water system.The strikeslip rate of Wenchan-Maoxian fault is 1-14 mm/a, the strikeslip rate of Beichuan-Yingxiu fault is 094mm/a, the strikeslip rate of Pengxian-Guanxian fault is 071 mm/a.The intensity of dextral strike slipping of main faults in the Longmen Mountain were decreased from northwest to southeast.

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备注/Memo

备注/Memo:
收稿日期(Received date)：2012-10-02；改回日期(Accepted)：2012-12-30。
基金项目（Foundation item）：国家自然科学基金资助项目（40841010）。[National Sciences Foundation of China(40841010).]
作者简介（Biography）：陈浩（1977-），男，四川三台人，博士，讲师，主要从事构造地貌与第四纪环境研究。通信地址：四川省绵阳市仙人路一段30号绵阳师范学院资源环境工程学院。[Chen Hao(1977-),male,Dr.＆ lecturer,major in study of tectonic geomorphology and quaternary environment.] E-mail:chenhao11611@163.com,Tel:18281512022
更新日期/Last Update: 1900-01-01