Located in the southern part of Nanling Mountain Range,Ruyuan County has a complex and diversified geological environment,and is a geological disaster-prone area.There are a total of 586 hidden sites of historical geological disasters in the area,including 320 collapses and 257 landslides.The formation mechanism of geological disasters in the county is closely related to internal factors inducing topographic and geomorphological conditions,the concentrated distribution of collapse-prone strata,and external factors inducing heavy rainfall.There are various types of geological disasters in Ruyuan County,including landslide disaster modes as creep-slip-surface cracking disaster mode;collapse disaster modes as high level collapse rockfall disaster mode and direct compression disaster mode;debris flow disaster mode as buried destruction disaster mode;and ground collapse disaster mode as expanding disaster mode.
关键词
地质灾害/形成机理/成灾模式/乳源县
Key words
geological disasters/formation mechanism/disaster mode/Ruyuan County
维普
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