基于信息量模型和数据标准化的滑坡易发性评价
|
杨根云, 周伟, 方教勇
|
Assessment of landslide Susceptibility Based on Information Quantity Model and Data Normalization
|
YANG Genyun,ZHOU Wei,FANG Jiaoyong
|
|
表1 各评价因子的信息量值及其标准化 |
Tab. 1 The information quantity values of landslide influence factors and their normalization |
|
影响因子 | 分类 | 信息量值 | 数据标准化 | 最值标准化 | 偏差法标准化 | 对数Logistic标准化 | 反正切函数标准化 | 坡度/° | <15 | -7.7457 | 0.0000 | -1.2306 | 0.0004 | -0.9183 | 15~30 | -5.2942 | 0.2047 | -0.7329 | 0.0050 | -0.8812 | 30~45 | -1.4247 | 0.5278 | 0.0526 | 0.1939 | -0.6104 | 45~60 | 1.8157 | 0.7984 | 0.7104 | 0.8600 | 0.6795 | >60 | 4.2304 | 1.0000 | 1.2007 | 0.9857 | 0.8522 | 坡向 | 北 | 0.9117 | 1.0000 | 1.2701 | 0.7133 | 0.4706 | 东北 | -2.0117 | 0.0000 | -1.9781 | 0.1180 | -0.7063 | 东 | -0.9869 | 0.3505 | -0.8395 | 0.2715 | -0.4958 | 东南 | -0.2583 | 0.5998 | -0.0298 | 0.4358 | -0.1609 | 南 | 0.0726 | 0.7130 | 0.3378 | 0.5181 | 0.0462 | 西南 | 0.2955 | 0.7892 | 0.5855 | 0.5734 | 0.1829 | 西 | -0.1371 | 0.6412 | 0.1048 | 0.4658 | -0.0867 | 西北 | 0.2628 | 0.7780 | 0.5491 | 0.5653 | 0.1636 | 距断层的距离/m | 1000 | -0.0228 | 0.8291 | 0.4150 | 0.4943 | -0.0145 | 2000 | 0.3843 | 1.0000 | 0.8986 | 0.5949 | 0.2336 | 3000 | -0.0229 | 0.8291 | 0.4149 | 0.4943 | -0.0146 | 4000 | -0.1027 | 0.7956 | 0.3202 | 0.4744 | -0.0651 | 5000 | -0.4713 | 0.6409 | -0.1176 | 0.3843 | -0.2804 | 6000 | -1.9983 | 0.0000 | -1.9311 | 0.1194 | -0.7046 | 距水系的距离/m | 200 | 0.7238 | 1.0000 | 1.5157 | 0.6735 | 0.3989 | 400 | -0.8372 | 0.5019 | 0.2383 | 0.3021 | -0.4437 | 600 | -1.0897 | 0.4213 | 0.0316 | 0.2517 | -0.5273 | 800 | -2.0283 | 0.1219 | -0.7365 | 0.1163 | -0.7084 | 1000 | -2.4102 | 0.0000 | -1.0490 | 0.0824 | -0.7496 | 地层 | 寒武系 | 0.4548 | 0.8003 | 0.7869 | 0.6118 | 0.2717 | 奥陶系 | 0.0000 | 0.6341 | 0.2295 | 0.5000 | 0.0000 | 志留系 | -0.6447 | 0.3986 | -0.5606 | 0.3442 | -0.3646 | 泥盆系 | -0.5498 | 0.4333 | -0.4443 | 0.3659 | -0.3200 | 石炭系 | -1.7359 | 0.0000 | -1.8978 | 0.1498 | -0.6673 | 二迭系 | -0.0241 | 0.6253 | 0.2000 | 0.4940 | -0.0153 | 三迭系 | 1.0015 | 1.0000 | 1.4569 | 0.7314 | 0.5005 | 第四系 | 0.0000 | 0.6341 | 0.2295 | 0.5000 | 0.0000 | 高程/m | 600~900 | -1.1545 | 0.0000 | -1.9886 | 0.2397 | -0.5456 | 900~1200 | -0.0043 | 0.7400 | -0.0058 | 0.4989 | -0.0027 | 1200~1500 | 0.2649 | 0.9131 | 0.4582 | 0.5658 | 0.1649 | 1500~1800 | 0.2484 | 0.9025 | 0.4298 | 0.5618 | 0.1550 | 1800~2100 | 0.2403 | 0.8973 | 0.4159 | 0.5598 | 0.1502 | 2100~2340 | 0.3999 | 1.0000 | 0.6909 | 0.5987 | 0.2422 | 距道路的距离/m | 200 | 0.1403 | 1.0000 | 1.4541 | 0.5350 | 0.0887 | 400 | -0.0376 | 0.4787 | -0.0310 | 0.4906 | -0.0239 | 600 | -0.1131 | 0.2576 | -0.6610 | 0.4718 | -0.0717 | 800 | 0.0509 | 0.7381 | 0.7079 | 0.5127 | 0.0324 | 1000 | -0.2010 | 0.0000 | -1.3947 | 0.4499 | -0.1263 | >1000 | -0.0427 | 0.4639 | -0.0732 | 0.4893 | -0.0271 |
|
|
|