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June 29, 2026Intelligent Climate and Eco-EnvironmentOpen Access

Groundwater potential zonation using geographic information system and analytical hierarchy process in a semi-arid hard rock terrain: A case study of Mettur Taluk, Tamil Nadu, India

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Authors

GBGurugnanam BalasubramaniyanGandhigram Rural InstituteMBMurugesan BagyarajGandhigram Rural InstituteBSBairavi SwaminathanGandhigram Rural Institute

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Implication

Randomized trial evaluates groundwater potential in Mettur Taluk, suggesting a framework for sustainable management.

Key Points

  • To systematically evaluate groundwater potential in Mettur Taluk using GIS and AHP methods.
  • Utilized GIS and Analytical Hierarchy Process (AHP) for evaluating groundwater potential zones.
  • Compiled thematic layers including lithology, land use, precipitation, and soil characteristics.
  • Performed ROC analysis for validation, yielding an AUC of 0.802.
  • Identified four groundwater potential classifications: low (6.87%, 53.36 km²), moderate (24.11%, 187.23 km²), high (55.67%, 432.28 km²), and very high (13.33%, 103.56 km²).
  • The analysis indicates significant environmental conditions for groundwater occurrence in Mettur Taluk.

Cite This Study

Balasubramaniyan et al. (2026) studied this question.

synapsesocial.com/papers/6a420ab2f91bb43ea9191fc8https://doi.org/10.1016/j.icee.2026.100010
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