The weights of factors are calculated individually for each DM by multiplying corresponding weights of factor groups and local factor weights. For example, DM1's factor weight for SL equals 0.449 × 0.078 = 0.035 (weight of factor group Soil (SO) × local weight of factor Land slope (SL)); these values are listed in the Appendix, Tables A1 and A2. The final individual weights of factors are presented in Table 7.

Table 7

Individual weights of all factors

Factor groupsFactorsDM1DM2DM3DM4
SO SL 0.035 0.023 0.010 0.032
DR 0.131 0.093 0.026 0.032
Soil suitability for IR 0.161 0.093 0.119 0.229
GM 0.047 0.084 0.042 0.118
AW 0.076 0.084 0.119 0.093
CL WD 0.092 0.029 0.065 0.026
DV 0.184 0.029 0.013 0.077
EC FP 0.063 0.032 0.026 0.057
LU 0.017 0.032 0.083 0.026
PM 0.016 0.011 0.008 0.010
DL 0.008 0.032 0.014 0.010
IN DW 0.063 0.085 0.236 0.029
DN 0.017 0.085 0.068 0.012
LC 0.005 0.085 0.033 0.005
EN SW 0.043 0.103 0.118 0.204
UW 0.043 0.103 0.020 0.041
Factor groupsFactorsDM1DM2DM3DM4
SO SL 0.035 0.023 0.010 0.032
DR 0.131 0.093 0.026 0.032
Soil suitability for IR 0.161 0.093 0.119 0.229
GM 0.047 0.084 0.042 0.118
AW 0.076 0.084 0.119 0.093
CL WD 0.092 0.029 0.065 0.026
DV 0.184 0.029 0.013 0.077
EC FP 0.063 0.032 0.026 0.057
LU 0.017 0.032 0.083 0.026
PM 0.016 0.011 0.008 0.010
DL 0.008 0.032 0.014 0.010
IN DW 0.063 0.085 0.236 0.029
DN 0.017 0.085 0.068 0.012
LC 0.005 0.085 0.033 0.005
EN SW 0.043 0.103 0.118 0.204
UW 0.043 0.103 0.020 0.041

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