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Table 6 Suitability ranking of factors and AHP pairwise comparison

From: GIS and remote sensing coupled with analytical hierarchy process (AHP) for the selection of appropriate sites for landfills: a case study in the province of Ouarzazate, Morocco

Criteria

Priority

Rank

(+)

(−)

Elevation

12%

3

2%

2%

Slope

12%

3

2%

2%

Soil quality

3%

9

0.60%

0.60%

Geology

3%

9

0.60%

0.60%

Distance from river

8%

5

1.20%

1.20%

Distance from dams

8%

5

1.20%

1.20%

Distance from road

8%

5

1.20%

1.20%

Distance from protected area

20%

1

4%

4%

Wind direction

20%

1

4%

4%

Lineaments density

5%

8

1%

1%

Population density

2%

11

0.60%

0.60%

  1. Consistency measure = 11.20, consistency ratio CR = 0.03 = 1.3%, coherence index CI = 0.02