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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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