黄土区滑坡研究中地形因子的选取与适宜性分析
牛全福, 冯尊斌, 党星海, 张映雪, 李月锋

Suitability Analysis of Topographic Factors in Loess Landslide Research
NIU Quanfu,FENG Zunbin,DANG Xinghai,ZHANG Yingxue,LI Yuefeng
表5 坡度变率分级与敏感性指数和确定性系数统计
Tab. 5 Slope of slope with SI and CF
坡度变率 面积/km2 面积百分比/% 滑坡/个 滑坡百分比/% 滑坡密度/(个/m2 敏感性指数 确定性系数
0~3.2 279.573 33.916 29 22.31 10.373 0.658 -0.342
3.2~7.4 272.118 33.011 36 27.69 13.230 0.839 -0.161
7.4~12.3 164.387 19.942 33 25.38 20.075 1.273 0.214
12.3~19.1 82.139 9.964 17 13.08 20.697 1.313 0.238
19.1~47.9 26.104 3.167 15 11.54 57.463 3.644 0.726