水土保持通报2016，Vol.36Issue(3)：109-113,5.
降雨作用下黄土浅层滑坡的危险性分析
Risk Analysis of Loess Shallow Landslides Under Different Rainfall Conditions
摘要
Abstract
[Objective] To analyze the risk analysis of loess shallow landslide under different rainfall condi‐tions in order to provide an effective way for the loess shallow landslide hazard analysis and evaluation . [Methods] The paper took Tianshui City of Gansu Province as a case study and wrote a program to analyze the shallow landslide hazard according to SHALSTAB model under ArcGIS platform .Then the distribution of shallow loess landslide was predicted with consideration of different rainfall conditions .[Results] With the increase of rainfall , the shallow landslides increased significantly ,and the proportion increased from 0 .166% to 3 .624% when the rainfall increased from 5 mm/d to 320 mm/d ,increased by 20 times .[Conclusion] When the precipitation is low ,shallow landslides area main distributed in rainfall concentrated area .When the precipitation increases ,shallow landslides extend upward along the loess valley .The comparison with the actual landslide disasters showed that the calculation results are accurate and reliable .关键词
黄土/浅层滑坡/SHALSTAB模型/危险性分析Key words
loess/shallow landslide/SHALSTAB model/risk analysis分类
天文与地球科学引用本文复制引用
同霄,彭建兵,朱兴华,马鹏辉,孟振江..降雨作用下黄土浅层滑坡的危险性分析[J].水土保持通报,2016,36(3):109-113,5.基金项目
国家重点基础研究发展计划“黄土重大灾害及灾害链的发生、演化机制与防控理论”（2014cb744702）；中央高校基本科研业务费资助项目“泾河南岸高速远程滑坡运动机理试验研究”（自然科学类基础研究项目） （）
