[1]唐川.汶川地震区暴雨滑坡泥石流活动趋势预测[J].山地学报,2010,(03):341.
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汶川地震区暴雨滑坡泥石流活动趋势预测()
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《山地学报》[ISSN:1008-2186/CN:51-1516]

卷:
期数:
2010年03期
页码:
341
栏目:
山地学报
出版日期:
2010-05-15

文章信息/Info

作者:
唐川;
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;
关键词:
汶川地震; 暴雨; 滑坡; 泥石流沟; 活动性
文献标志码:
A
摘要:
汶川大地震发生后,暴雨又激发了新的滑坡和泥石流发生。为探讨汶川地震区暴雨滑坡泥石流活动趋势,对比分析了日本关东大地震和台湾集集大地震后诱发滑坡和泥石流活动趋势,在此基础上,对汶川地震区未来滑坡、泥石流活动趋势作了预测分析。同时,还讨论了估算不同强度降雨条件下滑坡面积和泥石流冲出量的方法。初步研究表明,汶川强震区至少在近10a内,滑坡和泥石流活动趋势是强烈的,之后地质条件将逐渐趋于稳定。本研究选择了面积为5.9km2的北川县城西侧斜坡为研究区,计算结果是如果一旦遭遇100a一遇降雨,新增滑坡面积可达166.97×104m2,约占整个研究区流域面积的28.3%。本研究还预测了魏家沟、苏家沟流域的不...

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更新日期/Last Update: 2010-05-15