汶川县渔子溪地震地质灾害特征及灾害链成生分析OA北大核心CSCDCSTPCD
FEATURES AND CHAINS GENESIS ANALYSIS OF EARTHQUAKE GEOHAZARDS IN YUZI STREAM OF WENCHAN COUNTY
渔子溪下游耿达乡-映秀镇河段是汶川地震触发震害最为严重、灾害链效应最为显著的河段之一.本文通过详细的实地调查和遥感影像分析,力求揭示该河段地质灾害的特征及灾害链的成生过程、成生条件.依据震害特征,将地质灾害划分为斜坡中上部强风化岩土体失稳坠落、块状岩质边坡滑移式垮塌及局地暴雨启动型泥石流3类,并分析震害发育规律.调查表明,灾害点的空间展布受控于发震断裂,且北岸发育密度更大,茂汶断裂两侧差异显著.对51个崩塌点及17条泥石流研究发现,地震崩塌灾害主…More>>
Under the influence of 5. 12 earthquake, the geo-hazards are extreme serious in the reach of the Yuzi Stream form Gengda to Yingxiu. The geo-hazard chains are also very prominent. Through field investigation and re-mote sensing interpretation, this paper tries to reveal the characteristics and genetic process and conditions of geo-logic hazards in the stream. Based on their characteristics, the geo-hazards are divided into three types. They are (1) instabili…More>>
陈宁;王运生;蒋发森;苟富刚
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 成都 610059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 成都 610059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 成都 610059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 成都 610059
天文与地球科学
5·12汶川地震8·13强降雨地震地质灾害成生过程成生条件
5·12 Wenchuan earthquake 8·13 heavy rainfall Earthquake geo-hazards Genetic process Genetic conditions
《工程地质学报》 2012 (3)
340-349,10
中国地质调查局项目(1212010914010),国家重点基础研究发展计划(973)项目(2008CB425801)资助.