Skip to main content

Table 1 The input data used in the analyses and results obtained from Weights of Evidence model

From: Weights of evidence modeling for landslide susceptibility mapping of Kabi-Gebro locality, Gundomeskel area, Central Ethiopia

Factors Class Nclass Npix1 = Nslclass Npix2 Npix3 Npix4 W+ W- C
Slope (degree) < 5 29,863 361 13,043 29,502 178,848 −1.660 0.125 −1.785
5–15 111,669 3096 10,308 108,573 99,777 −0.814 0.474 −1.287
15–25 52,516 4131 9273 48,385 159,965 0.283 −0.104 0.387
25–35 22,125 3864 9540 18,261 190,089 1.191 −0.248 1.439
35–45 5161 1760 11,644 3401 204,949 2.085 −0.124 2.209
> 45 420 192 13,212 228 208,122 2.572 −0.013 2.585
Aspect Flat (−1) 77 2 13,404 76 208,274 −0.894 0.000 −0.894
N (0–22.5 & 337.5–360) 41,881 2462 10,943 39,419 168,931 −0.030 0.007 −0.036
NE (22.5–67.5) 31,906 1698 11,707 30,208 178,142 −0.135 0.021 −0.156
E (67.5–102.5) 22,465 975 12,430 21,490 186,860 −0.349 0.033 −0.383
SE (112.5–157.5) 16,473 539 12,866 15,934 192,416 −0.643 0.039 −0.681
S (157.5–202.5) 21,183 990 12,415 20,193 188,157 −0.272 0.025 −0.297
SW (202.5–247.5) 23,047 1714 11,691 21,333 187,017 0.222 −0.029 0.251
W (247.5–292.5) 28,770 2304 11,101 26,466 181,884 0.302 −0.053 0.355
NW (292.5–337.5) 35,953 2721 10,684 33,232 175,118 0.241 −0.053 0.294
Curvature Concave (−5.45--0.01) 95,953 6749 6656 89,204 119,146 0.162 −0.141 0.303
Flat (−0.01–0.01) 30,095 1220 12,185 28,875 179,475 −0.421 0.054 −0.474
Convex (0.01–4.78) 95,707 5436 7969 90,271 118,079 −0.066 0.048 −0.114
lithology Residual soil deposit 4418 74 13,331 4344 204,003 −1.329 0.016 −1.344
Sandstone 3068 42 13,363 3026 205,321 −1.534 0.011 −1.545
Limestone 108,975 5877 7528 103,098 105,249 −0.121 0.106 −0.227
Alluvial deposit 3568 385 13,020 3183 205,164 0.631 −0.014 0.645
MW Basalt 36,834 5149 8256 31,685 176,662 0.927 −0.320 1.246
Colluvial deposit 29,493 1728 11,677 27,765 180,582 −0.033 0.005 −0.038
HW Basalt 35,396 150 13,255 35,246 173,101 −2.716 0.174 −2.890
Land use/land cover Bush Land 46,816 5408 7997 41,408 166,942 0.708 −0.295 1.003
Moderately Vegetated Forest 5739 119 13,286 5620 202,730 −1.111 0.018 −1.130
Grazing Land 35,835 1725 11,680 34,110 174,240 −0.241 0.041 −0.282
River 3123 404 13,001 2719 205,631 0.837 −0.017 0.854
Settlement 12,646 74 13,331 12,572 195,778 −2.392 0.057 −2.448
Bare Land 11,970 1632 11,773 10,338 198,012 0.898 −0.079 0.976
Agricultural Land 105,626 4043 9362 101,583 106,767 −0.480 0.310 −0.790
Distance to lineament (m) 0–50 16,723 3309 10,096 13,414 194,936 1.344 −0.217 1.561
50–100 16,381 2249 11,156 14,132 194,218 0.906 −0.113 1.019
100–150 16,100 1705 11,700 14,395 193,955 0.610 −0.064 0.675
150–200 12,332 1143 12,262 11,189 197,161 0.462 −0.034 0.496
200–250 14,409 1143 12,262 13,266 195,084 0.292 −0.023 0.315
250–300 12,849 877 12,528 11,972 196,378 0.130 −0.008 0.138
> 300 132,961 2979 10,426 129,982 78,368 −1.032 0.726 −1.759
Distance to stream (m) 0–50 44,548 2890 10,515 41,658 166,691 0.075 −0.020 0.095
50–100 36,022 1876 11,529 34,146 174,203 −0.158 0.028 −0.186
100–150 35,312 1554 11,851 33,758 174,591 −0.335 0.054 −0.388
150–200 26,348 1234 12,171 25,114 183,235 −0.270 0.032 −0.301
200–250 24,021 1546 11,859 22,475 185,874 0.067 −0.008 0.075
250–300 18,460 1132 12,273 17,328 191,021 0.015 −0.001 0.017
> 300 37,043 3173 10,232 33,870 174,479 0.376 −0.093 0.468
Distance to spring (m) 0–100 2774 353 13,052 2421 205,928 0.818 −0.015 0.833
100–200 6755 752 12,653 6003 202,346 0.666 −0.028 0.695
200–300 10,341 990 12,415 9351 198,998 0.498 −0.031 0.529
300–400 11,389 947 12,458 10,442 197,907 0.343 −0.022 0.365
400–500 13,739 978 12,427 12,761 195,588 0.175 −0.013 0.187
500–600 14,082 863 12,542 13,219 195,130 0.015 −0.001 0.016
> 600 162,674 8522 4883 154,152 54,197 −0.152 0.337 −0.488
Rainfall (mm/year) 927–947 12,275 513 12,892 11,762 196,547 −0.389 0.019 −0.408
947–967 33,327 1297 12,108 32,030 176,279 −0.463 0.065 −0.528
967–987 46,191 3557 9848 42,634 165,675 0.260 −0.079 0.339
987–1007 51,152 3880 9525 47,272 161,037 0.243 −0.084 0.328
1007–1027 44,816 1532 11,873 43,284 165,025 −0.598 0.112 −0.709
1027–1047 26,741 1874 11,531 24,867 183,442 0.158 −0.023 0.181
1047–1064 7212 752 12,653 6460 201,849 0.593 −0.026 0.619
  1. Note: A total number of pixels with a landslide (Nslide = 13,405) and the total number of pixels within a map (Nmap = 221,754)