格地罗沟高频泥石流特征及成因机制研究
Mechanism of the Causes of High Frequency Debris Flow in Ge-Diluo Ditch
查看参考文献13篇
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文摘
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格地罗泥石流沟位于四川省凉山州盐源县境内，为典型高山区沟谷型高频率稀性泥石流，据调查访问，格地罗沟每年均发生1~3次小型泥石流或含高泥沙的洪水，平均每10年就会发生一次一定规模的泥石流。该泥石流形成区流域面积较小，沟道较短，但物源极其丰富，在暴雨时期易发生泥石流，在川西地区具有一定的代表性。本文从泥石流的流域特征、水源条件、物源的启动与转化等方面，采用现场调查、遥感解译等手段研究了该沟发生高频泥石流的成因机理。 |
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其他语种文摘
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Ge-Diluo Ditch debris flow gully located in Yanyuan County, Liangshan Prefecture in Sichuan Province. It is a typical high-frequency dilutes debris flow in high mountain valley. Relevant surveys show that in Ge-Diluo Ditch small landslides or floods with high sediment occurred 1 to 3 times annually, there was a certain scope of debris flow in average per 10 years. The drainage area of debris flow formation zone is small, the channel is short, but with extremely rich source of material, landslides occurred very easily during heavy rain. It' s a typical representation in the West Sichuan area. From the basin characteristics of debris flow, water source conditions,startup and transformation of material source,the genetic mechanism of the occurrence of high frequency debris flow ditch was studied using field surveys,remote sensing interpretation and other means. |
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来源
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地下空间与工程学报
,2014,10(5):1198-1202 【扩展库】
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关键词
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格地罗沟
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高频泥石流
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成因机制
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遥感
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地址
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成都理工大学, 地质灾害防治与地质环境保护国家重点实验室, 610059
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1673-0836 |
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学科
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地质学 |
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文献收藏号
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CSCD:5263207
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