GIS-based landslide susceptibility mapping and assessment using bivariate statistical methods in Simada area, northwestern Ethiopia

Geoenvironmental Disasters

Table 5 Validation of the model using Landslide Density Index method

LS Class	LSI	NAP	% of AP (m)	NTLP	% of TLP (n)	LDI (n/m)	NVLP	% of VLP (o)	LDI (o/m)	Model
VL	2.89–5.31	17,782	8.616	24	0.468	0.054	8	0.679	0.079	FR
L	5.31–6.24	42,252	20.474	232	4.526	0.221	91	7.725	0.377
M	6.24–7.23	60,957	29.537	792	15.451	0.523	188	15.959	0.540
H	7.23–8.39	57,574	27.898	1937	37.788	1.354	416	35.314	1.266
VH	8.39–15.09	27,807	13.474	2141	41.767	3.100	475	40.323	2.993
V L	-7.84 - -3.72	17,435	8.448	23	0.449	0.053	13	1.104	0.131	WoE
L	-3.72 - -1.83	44,180	21.408	200	3.902	0.182	53	4.499	0.210
M	-1.83 - -0.28	68,392	33.140	1062	20.718	0.625	277	23.514	0.710
H	-0.28 - 1.17	49,090	23.787	1911	37.281	1.567	408	34.635	1.456
VH	1.17–4.52	27,275	13.216	1930	37.651	2.849	427	36.248	2.743

Note:LSI Landslide susceptibility index, NAP Number of area pixel, NTLP Number of training landslide pixel, LDI Landslide density index, NVLP Number of validation landslide pixel, VL Very low, L Low, M Moderate, H High, VH Very high