四川卧龙国家级自然保护区地质灾害初步研究
详细信息 本馆镜像全文    |  推荐本文 | | 获取馆网全文
摘要
四川卧龙国家级自然保护区受到茂县-汶川断裂的控制及2008年汶川5月12日8级地震的严重影响,山体岩石破碎,地质灾害具有较高的易发性。卧龙保护区地质灾害类型主要有崩塌、滑坡、泥石流和不稳定斜坡。2013年4月有关机构编制了卧龙保护区159个实测地质灾害点数据资料,其中崩塌80处、泥石流42处、不稳定斜坡20处、滑坡17处。地质灾害风险分析表明卧龙保护区地质灾害威胁人数6 727人次,威胁财产达26 195万元人民币。地质灾害主要分布在皮条河沿岸,从河流上游的邓生沟到河流下游的水界牌地质灾害情况逐渐加重。皮条河-渔子溪可以划分为3个灾害程度不同的区域:邓生沟-核桃坪中度地质灾害区、正和水电站-耿达镇重度地灾区,渔子溪极重度地灾区。
Wolong National Nature Reserve was severely affected by Mao County-Wenchuan fracture control and Wenchuan earthquake on May 12,2008. The main types of its geological disasters were collapses,landslides,mudslides,and unstable slopes. The agency compiled the measured data about 159 geological disaster spots of Wolong Reserve in April 2013,including 17 landslides,80 collapses,42 mudslides,and 20 unstable slopes. The geological disaster risk analysis showed that 6 727 people and 261. 95 million yuan property were threatened by the geological disasters. The geological disasters were mainly distributed along the Pitiao River shore,and became graolually serious from Dengsheng Ditch to Water Dividing Board. At the same time,few recommendations were put forward about the disaster prevention and control based on geological disasters characteristics.
引文
[1]齐信.地质灾害风险评价研究[J]地质灾害学报,2012,21(5):33~38.
    [2]Hoek.E.Rock Slope Engineering.Lond:IMM,1977.
    [3]Stephen GE,Jerome VD(eds).Catastrophic landslides:effects,occurrence,and mechanisms[M].Published by the Geological Society of America,2002.1~256.
    [4]张梁,张业成,罗元华,等.地质灾害灾情评估理论与实践[M].北京:地质出版社,1998.
    [5]周围.袁春.李江风.基于GIS的地质灾害预测—以清江流域为例[J].中国地质灾害与防治学报,2002,13(4):78~81.
    [6]卧龙发展史编委会.卧龙发展史[M].四川科学技术出版社,2004,7:3~20.
    [7]刘明冲.浅析卧龙自然保护区地质灾害的危害[J].四川林勘设计,2011,12(4)46~48.
    [8]张远明,杨伟,郝红兵,等.四川省南江县地质灾害分布、形成条件与防治[J].地质灾害与环境保护,2005,16(2):125~129.
    [9]朱菲菲,吴德超,王运生,宋玉岩.四川省广安区地质灾害发育特征研究[J].科技咨询导报,2007,6(2):58~60.
    [10]程强,吴事贵,苏玉杰.映秀-卧龙公路沿线汶川地震地质灾害研究[J].工程地质学报,2010,18(2):160~167.

版权所有:© 2023 中国地质图书馆 中国地质调查局地学文献中心