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The study aims to assess groundwater vulnerability using modified models for sustainable management.

August 7, 2026Geocarto InternationalOpen Access

Groundwater vulnerability assessments using hybrid approaches a modified DRASTIC-LU, TRFN-AHP, and GIS in Dharmapuri district, Tamil Nadu, India

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Randomized trial evaluates groundwater contamination risk in an agricultural area, indicating urgent management needs.

The study aims to assess groundwater vulnerability using modified models for sustainable management.
Utilized modified DRASTIC-LU and TRFN-AHP methods integrated with GIS for analysis.
Classified vulnerability zones as very low, low, moderate, high, and very high based on assessment results.
Region analyzed is Dharmapuri district, Tamil Nadu.
Groundwater vulnerability zones: very low (14.10%), low (22.96%), moderate (20.93%), high (25.22%), very high (16.79%).
Area under curve value for vulnerability index was 0.90, indicating excellent predictive accuracy validated using nitrate and TDS.

Babu et al. (2026) studied this question.

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