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Environmental Systems Research

Table 4 The APH derived criteria weights

From: Mapping groundwater nitrate contaminant risk using the modified DRASTIC model: a case study in Ethiopia

Criteria

Depth to water

Net recharge

Aquifer media

Soil

Topography

Vadose zone

Hydraulic conductivity

Land use

Weight

0.305

0.198

0.130

0.095

0.048

0.077

0.115

0.032

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