公元前221年—公元1911年陕甘地区堰塞湖成因浅析  

Landslide lakes in Shaanxi and Gansu Provinces in the period between BC 221 and AD 1911

作　　者：费杰[1] 何洪鸣[2] 杨帅 董凌霄 FEI Jie;HE Hongming;YANG Shuai;DONG Lingxiao(Institute of Historical Geography, Fudan University, Shanghai 200433, China;Institute of Soil and Water Conservation, CAS & WMR, Yangling, Shaanxi 712100, China)

机构地区：[1]复旦大学历史地理研究中心,上海200433 [2]中国科学院水利部水土保持研究所,陕西杨凌712100

出　　处：《中国地质灾害与防治学报》2019年第6期117-125,共9页The Chinese Journal of Geological Hazard and Control

基　　金：科技部科技基础资源调查专项(2017FY101002);国家自然科学基金(41672180)

摘　　要：本文以历史文献资料为基础,对公元前221—公元1911年陕甘地区堰塞湖信息进行了初步梳理。共发现30处堰塞湖,其中陕西9处,甘肃21处。从堰塞湖成因看,主要是地震、强降雨、河流侧蚀等诱发崩塌、滑坡,继而形成堰塞湖。这一时段内,陕甘地区的堰塞湖次生洪水灾害,大多数是堰塞湖形成时对上游的回水淹没,少数是溃坝洪水灾害。公元1411年—公元1911年期间,陕甘黄土高原地区每次Ms 7级以上地震大都诱发了堰塞湖,有的堰塞湖还造成严重的次生洪水灾害。This study reports an examination of the landslide lakes in Shaanxi and Gansu Provinces in the period between BC 221 and AD 1911.A total of 30 landslide lakes were identified,9 of them were in Shaanxi Province,and 21 of them were in Gansu Province.Most of the landslide lakes were caused by earthquakes,rainstorms and side erosion by rivers.Interestingly,the secondary flood hazard of landslide lakes in this region during the Past 2000 years were mostly backwater inundation,and only a small fraction of which were outburst flood.Most of the earthquakes of magnitude 7 and above induced landslide lakes in the loess area of this region during the past 500 years,and some of the lakes caused severe secondary flood hazards.

关 键 词：堰塞湖 次生洪水 地震 陕甘地区 

分 类 号：P694[天文地球—地质学]