摘要
1、龙羊峡库区的沙漠不是今天风力搬运的产物,它是第四纪初期形成的古沙岸。2、龙羊峡-寺沟峡段黄河两岸区的滑坡、崩塌共有210处,其中滑坡137处,崩滑42处,崩塌23处,未滑动危体8处,它们受断裂的控制;3、该区段较大和较严重的泥石流51处,其中极严重泥石流4处,较严重泥石流23处,中等程度泥石流24处,主要分布在贵德、尖扎、循化,共和四个盆地。
The desert in Longyang district is not caused by wind transportation of modern timesbut it is an old sandshore formed in the beginning of Quaternary Period.Along the shores fromLongyang Gorge to Sigou Gorge of Yellow River,there are 210 landslip and collapse sites,amongwhich 137 landslipse sites,42 landslip-collapse sites,and 8 danger-body sites have been included andcontrolled by slide.There are 51 larger and heavier mud-rock flow sites,in which 4 sites are extreme-heavy,23 heavy,24 medium.They are mainly distributed in Guide,Jainca,Xunhua and Gonghebasins.
出处
《青海地质》
1992年第2期96-103,T004,共9页
关键词
黄河
干旱
泥石流
地质灾害
遥感
Old sandshore Danglanggou danger-body Dongzhuang mud-rock flow Nadong mud-rock flow
