基于DEM的地形因子分析与岩性分类

王婷, 潘军, 蒋立军, 邢立新, 于一凡, 王鹏举

Topographic variable analysis and lithologic classification based on DEM

Ting WANG, Jun PAN, Lijun JIANG, Lixin XING, Yifan YU, Pengju WANG

表2 地形因子的单元大小与均值的对应情况

Tab.2 Correspondence between the unit size of the terrain factor and the mean value

窗口大小 面积/(100m2) 地表切割深度均值/m 地表粗糙度均值 高程均值/m 平面曲率均值 剖面曲率均值 3 81 6.66 1.021 182 657.775 16 -0.012 682 -0.005 103 11 1 089 28.60 1.021 183 657.768 86 -0.012 759 -0.005 099 19 3 249 45.46 1.021 183 657.755 86 -0.012 719 -0.005 095 27 6 561 58.88 1.021 183 657.736 16 -0.012 651 -0.005 104 35 11 025 69.81 1.021 185 657.711 20 -0.012 465 -0.005 130 43 16 641 78.98 1.021 189 657.684 66 -0.012 358 -0.005 145 51 23 409 86.88 1.021 194 657.658 69 -0.012 229 -0.005 155 67 40 401 100.14 1.021 211 657.613 29 -0.012 155 -0.005 156 101 91 809 121.94 1.021 244 657.527 59 -0.012 169 -0.005 144