IJEP 42(6): 758-763 : Vol. 42 Issue. 6 (June 2022)
1. National Institute of Technology, Department of Civil Engineering, Patna – 800 005, Bihar, India
2. University of Delhi, Medicinal Plant Research laboratory, Department of Botany, Ramjas College, Delhi – 110 007, India
Disposal at landfills is still one of the most preferred methods for municipal solid waste in India, though it should be the least preferred option. Most of the time government regulations and public opposition makes it extremely difficult for city planner to find a new landfill site. The combination of geographic information systems (GIS) and multi-criteria decision analysis (MCDA) can be applied successfully in such situations. The complex procedure considers various technical, environmental, economic, political and social factors. This paper uses a methodology and application of GIS for the sanitary landfill site selection for Patna, capital city of Bihar, India. Analytical hierarchy process (AHP) has been used to give weights to factors based on expert opinion and extensive study. The results indicate that there are three locations where adequate land seems available and these sites are under ‘most suitable’ category for sanitary landfilling.
Municipal solid waste, Landfill site selection, Gegographic information system, Multi-criteria decision making, Analytical hierarchy process, Urban local bodies
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