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<p>Determining the optimal locations for sanitary landfills with minimal environmental impact is a benchmark for planning decisions and sustainable development. Every municipality suffers from the indiscriminate spread of uncontrolled open dumps, despite being the largest drinking water basin in the study area. For this reason, it was considered a case study. Fuzzy set theory, analytic hierarchy process (AHP), and weighted linear combination (WLC) have been combined with Geographic Information System (GIS) to pinpoint new, appropriate landfill sites in the study area by considering 12 constraints and six factors, and clustering them into socio-economic and environmental concerns. The Fuzzy membership functions were applied to standardize the factors to values between 0 and 10, whilst the AHP was used to calculate the criterion relative importance weights. Finally, the WLC was applied to determine landfill suitability by combining all constraints and factors. The results point out that 4.6% (32.17&#xa0;km²) of the study area is deemed highly suitable, 0.5% suitable (3.5&#xa0;km²), 2.5% moderately suitable (17.49&#xa0;km²), 1.9% (8.32&#xa0;km²), lowest suitable, and 0.5% (3.5&#xa0;km²) very lowest suitable, and 90% unsuitable (6294.6&#xa0;km²) for landfill allocation. Thereafter, these outcomes were performed using the Receiver Operating Characteristic (ROC) curve. The AUC was 51%, indicating moderate predictive accuracy, as the validation process used haphazardly selected sites. Two candidate landfill allocations were delineated, along with multiple sites deemed highly suitable. The results reveal strong alignment with several United Nations Sustainable Development Goals (SDGs).</p>

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A data-driven municipal solid waste landfill suitability mapping using GIS-based multi-criteria evaluation, achieving Sustainable development goals

  • 期刊论文

  • 发表日期：

    2026年3月31日

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  • Abdelwaheb Aydi,
  • Sinda Sifi,
  • Aqil Tariq,
  • Nazih Y. Rebouh,
  • Habib Kraiem,
  • Yahia Said

摘要

Determining the optimal locations for sanitary landfills with minimal environmental impact is a benchmark for planning decisions and sustainable development. Every municipality suffers from the indiscriminate spread of uncontrolled open dumps, despite being the largest drinking water basin in the study area. For this reason, it was considered a case study. Fuzzy set theory, analytic hierarchy process (AHP), and weighted linear combination (WLC) have been combined with Geographic Information System (GIS) to pinpoint new, appropriate landfill sites in the study area by considering 12 constraints and six factors, and clustering them into socio-economic and environmental concerns. The Fuzzy membership functions were applied to standardize the factors to values between 0 and 10, whilst the AHP was used to calculate the criterion relative importance weights. Finally, the WLC was applied to determine landfill suitability by combining all constraints and factors. The results point out that 4.6% (32.17 km²) of the study area is deemed highly suitable, 0.5% suitable (3.5 km²), 2.5% moderately suitable (17.49 km²), 1.9% (8.32 km²), lowest suitable, and 0.5% (3.5 km²) very lowest suitable, and 90% unsuitable (6294.6 km²) for landfill allocation. Thereafter, these outcomes were performed using the Receiver Operating Characteristic (ROC) curve. The AUC was 51%, indicating moderate predictive accuracy, as the validation process used haphazardly selected sites. Two candidate landfill allocations were delineated, along with multiple sites deemed highly suitable. The results reveal strong alignment with several United Nations Sustainable Development Goals (SDGs).