Skip to main content

Table 15 AHP comparison matrix for the conditioning factors

From: GIS-based gully erosion susceptibility modeling, adapting bivariate statistical method and AHP approach in Gombe town and environs Northeast Nigeria

   AHP Matrix        
Predictors Aspect Road buffer TWI Drainage buffer Landcover Slope Geology Curvature Elevation Soil
Aspect 1 1 1 1/3 1/2 1/2 1/3 1 2 1/4
Road buffer 1 1 2 1/3 1/2 1 1/2 1 3 1/3
TWI 1 1/2 1 1/4 1/2 1/2 1/3 1 1 1/3
drainage buffer 3 3 4 1 2 3 2 3 5 1
Land cover 2 2 2 1/2 1 2 1/2 1/2 3 1/2
Slope 2 1 2 1/3 1/2 1 1/2 1 3 1/3
Geology 3 2 3 1/2 2 2 1 3 4 1
Curvature 1 1 1 1/3 2 1 1/3 1 2 1/3
Elevation 1/2 1/3 1 1/5 1/3 3 1/4 1/2 1 1/4
Soil 4 3 3 1 2 3 1 3 4 1
Sum 18.50 14.83 20.00 4.78 11.33 17.00 6.75 15.00 28.00 5.33
  1. CR = 0.064