雅安芦山县地震崩塌滑坡信息提取与发育规律分析

李树林 余利峰 陈丽霞

李树林, 余利峰, 陈丽霞. 2014: 雅安芦山县地震崩塌滑坡信息提取与发育规律分析. 工程地质学报, 22(5): 861-868. doi: 10.13544/j.cnki.jeg.2014.05.14
引用本文: 李树林, 余利峰, 陈丽霞. 2014: 雅安芦山县地震崩塌滑坡信息提取与发育规律分析. 工程地质学报, 22(5): 861-868. doi: 10.13544/j.cnki.jeg.2014.05.14
LI Shulin, YU Lifeng, CHEN Lixia. 2014: EXTRACTION AND ANALYSIS OF LUSHAN EARTHQUAKE TRIGGERED LANDSIDESA CASE STUDY IN BAOSHENG TOWN, YAAN CITY. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 861-868. doi: 10.13544/j.cnki.jeg.2014.05.14
Citation: LI Shulin, YU Lifeng, CHEN Lixia. 2014: EXTRACTION AND ANALYSIS OF LUSHAN EARTHQUAKE TRIGGERED LANDSIDESA CASE STUDY IN BAOSHENG TOWN, YAAN CITY. JOURNAL OF ENGINEERING GEOLOGY, 22(5): 861-868. doi: 10.13544/j.cnki.jeg.2014.05.14

雅安芦山县地震崩塌滑坡信息提取与发育规律分析

doi: 10.13544/j.cnki.jeg.2014.05.14
基金项目: 

中国地质大学(武汉)优秀青年教师基金(编号:CUGQNL0937),2014年中国地质大学大学生自主创新资助计划(编号:1410491A18)资助

详细信息
    作者简介:

    李树林,男,地球信息科学与技术专业. Email:1627041882@qq.com

    通讯作者:

    陈丽霞,女,博士,副教授,研究方向为滑坡灾害预测预报、风险研究及3S应用. Email:ch_l_x@163.com

  • 中图分类号: P642.22

EXTRACTION AND ANALYSIS OF LUSHAN EARTHQUAKE TRIGGERED LANDSIDESA CASE STUDY IN BAOSHENG TOWN, YAAN CITY

  • 摘要: 2013年4月20日,四川芦山县发生7.0级地震。由于当地复杂的区域地形条件,强烈的地震引发了大量的滑坡、崩塌等次级地质灾害。以此次地震诱发滑坡的重灾区宝盛乡为研究区,采用遥感高清影像与DEM结合的方式进行目视解译,并结合光谱信息与坡度信息对目视解译结果进行半自动提取与再验证,建立地震斜坡灾害的光谱信息解译标志; 在此基础上,利用GIS空间分析功能,统计分析此次地震斜坡地质灾害在地形地貌、地层岩性、构造等方面的发育规律。结果表明,本次地震诱发滑坡规模以中小型为主,坡度范围主要集中在30~50,发育的地层主要为下第三系名山组和白垩系灌口组粉砂岩、泥岩、砾岩; 烈度范围主要集中在Ⅸ度区。
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出版历程
  • 收稿日期:  2014-05-03
  • 修回日期:  2014-08-28
  • 刊出日期:  2014-10-25

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