Proximity to pipeline (PP)

[0.61 + 0.66 + 0.54 + 0.50]/4

0.58

Proximity to river (PR)

[0.02 + 0.22 + 0.32 + 0.28]/4

0.26

Land cover (LC)

[0.12 + 0.07 + 0.11 + 0.17]/4

0.12

Population (P)

[0.07 + 0.04 + 0.04 + 0.06]/4

0.05

Total

1.00