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Geoenvironmental Disasters

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
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