Application of Geographic Information System for Assessing Suitable Areas for Sanitary Landfill According to Sanitary Standards Sites in Lop Buri Province

Authors

  • Kwanchai Chai-udom Environmental Science, Faculty of Science and Technology, Thepsatri Rajabhat University, Lop Buri, Thailand
  • Warintorn Sudsawang Environmental Science, Faculty of Science and Technology, Thepsatri Rajabhat University, Lop Buri, Thailand
  • Amika Rosmode Environmental Science, Faculty of Science and Technology, Thepsatri Rajabhat University, Lop Buri, Thailand

DOI:

https://doi.org/10.14456/jare-mju.2025.60

Keywords:

suitable sanitary landfill area, geographic information system, overlay technique

Abstract

This research used a geographic information system for sanitary landfill site selection. Based on 11 criteria influencing sanitary landfill site selection and spatial data, suitable areas for landfill sites were determined using the weighted overlay technique with ArcGIS 10.2. 

The results showed that the most influential factor is the distance from water sources and wetlands, with a weight of 11.03%. This is followed by proximity to water supply, groundwater levels, distance from communities, slope, geological conditions, historical sites, flood risk areas, soil type, land use, and transportation routes, with weights of 10.66, 10.29, 9.56, 9.56, 9.19, 8.82, 8.46, 8.09, 7.72 and 6.62%, respectively. The most suitable areas for sanitary landfills are mainly located in Khok Samrong district, covering 224.64 square kilometers (3.62% of the province's total area). This is followed by Chai Badan District (182.05 sq. km., 2.93%), Tha Luang District (81.21 sq. km., 1.30%), and the least suitable area is in Sa Bot District (0.86 sq. km., 0.01%). It is recommended that public participation should be promoted and taken into account when evaluating suitable landfill sites. Additionally, long-term waste reduction is required for sustainable waste management.

References

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Figure 7 Suitability level of sanitary landfill sites in Lop Buri province

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Published

2025-12-20

How to Cite

Chai-udom, K., Sudsawang , W. ., & Rosmode , A. . (2025). Application of Geographic Information System for Assessing Suitable Areas for Sanitary Landfill According to Sanitary Standards Sites in Lop Buri Province. Journal of Agricultural Research and Extension, 42(3), 258–273. https://doi.org/10.14456/jare-mju.2025.60

Issue

Vol. 42 No. 3 (2025): September - December 2025

Section

Research Article

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