## 4 Modeling Process and Results
### Implementation of SI
\begin{table}
\begin{tabular}{c c c c c c c} \hline \hline \multirow{2}{*}{**Factor**} & \multirow{2}{*}{**Class**} & \multirow{2}{*}{
\begin{tabular}{c} **No. of Pixels** \\ **in Domain** \\ \end{tabular} } & \multicolumn{2}{c}{**Percentage of** **Pixels in**} & \multicolumn{2}{c}{**No. of** **Landslides**} & \multicolumn{2}{c}{**Percentage of** **Landslides in**} & \multirow{2}{*}{**SI Weight**} \\  & & & **Domain (\%)** & & **in Domain** & **Domain (\%)** & \\ \hline \multirow{4}{*}{Altitude (m)} & 734–1000 & 54,761 & 5.35\% & 19 & 5.51\% & 0.03 \\  & 1000–1400 & 153,709 & 15.00\% & 180 & 52.17\% & 1.246 \\  & 1400–1800 & 182,586 & 17.82\% & 128 & 37.10\% & 0.733 \\  & 1800–2200 & 175,340 & 17.12\% & 16 & 4.64\% & \(-1.306\) \\  & 2200–2600 & 169,561 & 16.55\% & 2 & 0.58\% & \(-3.352\) \\  & \textgreater{}2600 & 288,498 & 28.16\% & 0 & 0.00\% & \(-3.500\) \\ \hline \multirow{4}{*}{Slope (\({}^{\circ}\))} & 0–12.58 & 52,441 & 5.12\% & 1 & 0.29\% & \(-2.871\) \\  & 12.58–27.06 & 95,938 & 9.36\% & 4 & 1.16\% & \(-2.089\) \\  & 27.06–36.79 & 192,817 & 18.82\% & 30 & 8.70\% & \(-0.772\) \\  & 36.79–44.57 & 303,340 & 29.61\% & 102 & 29.57\% & \(-0.002\) \\  & 44.57–52.98 & 265,684 & 25.93\% & 144 & 41.74\% & 0.476 \\  & \textgreater{}52.98 & 114,235 & 11.15\% & 64 & 18.55\% & 0.509 \\ \hline \multirow{4}{*}{Aspect} & Flat & 8592 & 0.84\% & 0 & 0.00\% & \(-3.500\) \\  & North & 123,018 & 12.01\% & 7 & 2.03\% & \(-1.778\) \\  & Northeast & 111,941 & 10.93\% & 13 & 3.77\% & \(-1.065\) \\  & East & 138,007 & 13.47\% & 67 & 19.42\% & 0.366 \\  & Southeast & 142,757 & 13.93\% & 89 & 25.80\% & 0.616 \\  & South & 122,625 & 11.97\% & 48 & 13.91\% & 0.15 \\  & Southwest & 109,604 & 10.70\% & 25 & 7.25\% & \(-0.390\) \\  & West & 128,926 & 12.58\% & 52 & 15.07\% & 0.18 \\  & Northwest & 138,985 & 13.57\% & 44 & 12.75\% & \(-0.062\) \\ \hline \multirow{2}{*}{Plan curvature} & \textless{}\(-0.001\) (concave) & 462,405 & 45.14\% & 186 & 53.91\% & 0.178 \\  & \textgreater{}0.001–0.001 (plan) & 16,518 & 1.61\% & 0 & 0.00\% & \(-3.500\) \\  & \textgreater{}0.001 (convex) & 545,532 & 53.25\% & 159 & 46.09\% & \(-0.144\) \\ \hline \multirow{2}{*}{Profile curvature} & \textless{}\(-0.001\) (convex) & 500,096 & 48.82\% & 154 & 44.64\% & \(-0.089\) \\  & \textgreater{}0.001–0.001 (plan) & 13,696 & 1.34\% & 0 & 0.00\% & \(-3.500\) \\  & \textgreater{}0.001 (concave) & 510,663 & 49.85\% & 191 & 55.36\% & 0.105 \\ \hline \multirow{4}{*}{Degree of relief (m)} & 0–8.92 & 92,811 & 9.06\% & 3 & 0.87\% & \(-2.344\) \\  & 8.92–16.52 & 256,435 & 25.03\% & 45 & 13.04\% & \(-0.652\) \\  & 16.52–22.97 & 332,950 & 32.50\% & 113 & 32.75\% & 0.008 \\  & 22.97–30.94 & 228,321 & 22.29\% & 122 & 35.36\% & 0.462 \\  & 30.94–43.98 & 92,147 & 8.99\% & 54 & 15.65\% & 0.554 \\  & \textgreater{}43.98 & 21,791 & 2.13\% & 8 & 2.32\% & 0.086 \\ \hline \multirow{4}{*}{TWI} & 2.16–4.51 & 287,750 & 28.09\% & 75 & 21.74\% & \(-0.256\) \\  & 4.51–5.67 & 359,830 & 35.12\% & 126 & 36.52\% & 0.039 \\  & 5.67–7.18 & 244,013 & 23.82\% & 117 & 33.91\% & 0.353 \\  & 7.18–9.54 & 87,380 & 8.53\% & 25 & 7.25\% & \(-0.163\) \\  & \textgreater{}9.54 & 45,482 & 4.44\% & 2 & 0.58\% & \(-2.036\) \\ \hline \multirow{4}{*}{Lithology} & Loose deposits & 1360 & 0.13\% & 0 & 0.00\% & \(-3.500\) \\  & Very soft rock & 2182 & 0.21\% & 0 & 0.00\% & \(-3.500\) \\ \cline{1-1}  & Soft rock & 207,368 & 20.24\% & 80 & 23.19\% & 0.136 \\ \cline{1-1}  & Hard rock & 138,648 & 13.53\% & 64 & 18.55\% & 0.315 \\ \cline{1-1}  & Very hard rock & 674,897 & 65.88\% & 201 & 58.26\% & \(-0.123\) \\ \hline \hline \end{tabular}
\end{table} 
Table 2: The spatial relationship between landslides and influencing factors and the results of SI.