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Spatial multi-criteria approaches for estimating geogenic radon hazard index
Iman Masoumi1, Sabrina Maggio2, Sandra De Iaco3
1National Biodiversity Future Center, Palermo, Italy.
The Science of the Total Environment
|September 21, 2024
Summary
This study introduces a new method for mapping geogenic radon hazard index (GRHI) to assess radon exposure risks. The hybrid AHP-TOPSIS approach proved more effective in identifying high-radon potential areas.
Area of Science:
- Geosciences
- Environmental Science
- Radiological Protection
Background:
- Geogenic radon hazard index (GRHI) mapping is vital for assessing radon exposure risks.
- GRHI map construction requires analyzing soil gas radon levels and geological factors like uranium content, soil permeability, and inhomogeneities.
Purpose of the Study:
- To propose and compare spatial multi-criteria decision analysis methods for GRHI mapping.
- To identify high-potential radon areas using geological parameters.
- To introduce a novel approach combining fuzzy gamma operator and AHP-TOPSIS techniques.
Main Methods:
- Spatial multi-criteria decision analysis integrating fuzzy gamma operator and AHP-TOPSIS.
- Application to the Apulia region, Southern Italy.
- Validation using indoor radon measurement data and success-rate curves.
Main Results:
- Both fuzzy gamma and AHP-TOPSIS methods generated GRHI maps correlated with high-radon zones.
- The hybrid AHP-TOPSIS method demonstrated superior performance in identifying high-potential radon areas.
- Success-rate curves confirmed the effectiveness of the evaluation metric.
Conclusions:
- The AHP-TOPSIS hybrid method is a preferable approach for GRHI mapping.
- Accurate GRHI maps are crucial for effective radon hazard assessment and mitigation strategies.
- This study provides a valuable framework for unexplored regions.
Keywords:
Analytical Hierarchy Process (AHP)Fuzzy Gamma Operator (FGO)Multi-criteria analysisRadon riskTOPSISMore Related Videos
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