| 试论地震在泥石流形成中的作用 |
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| 引用本文： | 马东涛,石玉成.试论地震在泥石流形成中的作用[J].西北地震学报,1996,18(4):38-42. |
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| 作者姓名： | 马东涛 石玉成 |
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| 作者单位： | 中国科学院兰州冰川冻土研究所(马东涛)，国家地震局兰州地震研究所(石玉成) |
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| 摘 要： | 地震和泥石流是自然界常见的灾种。对地震在泥石流形成中的作用以及地震泥石流的特征进行了初步探讨后认为，强烈地震区和新构造运动活跃区往往也是泥石流高发区；地震通过为泥石流提供固体物质来源、水源、动力条件和激发条件等影响泥石流的形成和发展；地震引发的泥石流具有滞后性、周期性、区域性和多沟同时暴发的特点
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| 关 键 词： | 地震 泥石流 新构造运动 |
| 收稿时间： | 1994/12/12 0:00:00 |
| 修稿时间： | 1995/1/20 0:00:00 |
AN APPROACH ON EFFECTS OF EARTHQUAKES ON FORMATION OF DEBRIS FLOW |
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| Ma Dongtao and Shi Yucheng.AN APPROACH ON EFFECTS OF EARTHQUAKES ON FORMATION OF DEBRIS FLOW[J].Northwestern Seismological Journal,1996,18(4):38-42. |
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| Authors: | Ma Dongtao and Shi Yucheng |
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| Institution: | 1. Lanzhou Institute of Glaciology and Geocryology, CAS;2. Earthquake Research Institute of Lanzhou, SSB, China and 1. Lanzhou Institute of Glaciology and Geocryology, CAS;2. Earthquake Research Institute of Lanzhou, SSB, China |
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| Abstract: | Earthquake and mud rock folw are all the common natural disasters. This paper preliminarily discusses the effects of earthquake on formation of debris folw and some features of induced earthquake debris flows.It is considered that the regions where seismicity is strong or neotectonic movement is active are usually the regions where debris flows frequently occur;earthquakes affect the formation and development of debris flow by nourishing loose solid material,water source,dynamic and triggering condition;debris flows induced by seismic activities often have overdue,periodic and regional characters. |
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| Keywords: | Earthquake Mud rock flow Neotectonic movement |
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