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June 10, 2026Water ScienceOpen Access

Entropy-weighted water quality index and TOPSIS for irrigation suitability assessment in eastern Odisha, India

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Authors

RSRanu Rani SethiADAsit Kumar DandapatSSSrivastava SK

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Overview

Randomized trial evaluates irrigation water quality using entropy-weighted index and TOPSIS in eastern Odisha, suggesting sustainable management strategies.

Key Points

  • This research aims to assess groundwater irrigation quality in eastern Odisha and rank locations based on suitability for irrigation.
  • Utilized groundwater quality data from 43 villages in eastern Odisha, focusing on parameters like pH, EC, TDS, and various ratios.
  • Applied entropy analysis to identify influential groundwater quality parameters.
  • Integrated entropy-weighted water quality index (EWQI) and TOPSIS for evaluating and ranking irrigation water quality.
  • Most groundwater samples were rated as excellent to good quality based on EWQI, suitable for irrigation.
  • TOPSIS revealed that 94% of samples had moderate quality, with 4% poor and 2% good, indicating localized salinity risks.
  • Bimbalabar and Ramchandrapur villages showed relatively better water quality based on lower closeness coefficient values.

Cite This Study

Sethi et al. (2026) studied this question.

synapsesocial.com/papers/6a28fe326f82f25be989ba3bhttps://doi.org/10.1007/s44533-026-00038-4
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