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GIS – BASED DRASTIC MODEL FOR ASSESSING THE VULNERABILITY OF GROUNDWATER AQUIFERS

GIS – BASED DRASTIC MODEL FOR ASSESSING THE VULNERABILITY OF GROUNDWATER AQUIFERS TO POLLUTION SOURCES. DRASTIC MODEL PARAMETERS. Depth to water net Recharge Aquifer media Soil media Topography vadose zone Conductivity . DRASTIC MODEL PARAMETERS & INDEX. Depth to water:.

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GIS – BASED DRASTIC MODEL FOR ASSESSING THE VULNERABILITY OF GROUNDWATER AQUIFERS

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  1. GIS – BASED DRASTIC MODEL FOR ASSESSING THE VULNERABILITY OF GROUNDWATER AQUIFERS TO POLLUTION SOURCES

  2. DRASTIC MODEL PARAMETERS • Depth to water • net Recharge • Aquifer media • Soil media • Topography • vadose zone • Conductivity

  3. DRASTIC MODEL PARAMETERS & INDEX

  4. Depth to water:

  5. Depth to water – Model Layer

  6. Net Recharge

  7. Net Recharge – Model Layer

  8. Aquifer media

  9. Aquifer media – Model Layer

  10. Soil media

  11. Soil media – Model Layer

  12. Topography

  13. Topography – Model Layer

  14. Impact of vadose zone

  15. Vadose zone – Model Layer

  16. Conductivity

  17. Hydraulic Conductivity– Model Layer

  18. MODEL RESULTSVulnerability to Contamination in General

  19. MODEL RESULTSVulnerability to fertilizers

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