Research Article
GIS Based MCDA Selection of Waste Management Site in Kanchanpur District, Nepal
Sushil Subedi*
,
Ashok Thakulla,
Yogesh Joshi
Issue:
Volume 9, Issue 1, March 2025
Pages:
1-6
Received:
27 August 2024
Accepted:
18 September 2024
Published:
14 January 2025
DOI:
10.11648/j.ajese.20250901.11
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Abstract: Selecting an appropriate site for municipal solid waste (MSW) disposal is a significant challenge in solid waste management (SWM) for local authorities, engineers, and urban planners. Rapid population growth, industrialization, diverse community characteristics, and limited land availability exacerbate this issue. Landfill site selection requires evaluating numerous factors, including environmental, social, and economic considerations, as well as adhering to various rules and spatial data. This paper presents an integrated approach using Geographic Information Systems (GIS) and the Analytical Hierarchy Process (AHP), based on Multi-Criteria Decision Analysis (MCDA), to select the most sustainable MSW disposal site in Kanchanpur district, Nepal. Criteria for site selection were derived from existing literature, including residential proximity, roads, water bodies, slopes, elevation, and national parks. GIS was used to develop criteria maps, and AHP was employed for pairwise comparison and normalization to assign weights to the criteria. The weighted overlay tool in ArcGIS was then used to evaluate the weighted criteria maps, categorizing the site suitability into five classes: “extremely suitable”, “considerably suitable”, “moderately suitable”, “slightly suitable”, and “restricted”. The suitability map identified the most suitable areas for waste disposal, with "extremely suitable" areas being ideal for immediate use, and "considerably suitable" areas offering potential for future development. This method demonstrates the effectiveness of integrating GIS and AHP for sustainable solid waste management site selection in challenging environments like Kanchanpur district.
Abstract: Selecting an appropriate site for municipal solid waste (MSW) disposal is a significant challenge in solid waste management (SWM) for local authorities, engineers, and urban planners. Rapid population growth, industrialization, diverse community characteristics, and limited land availability exacerbate this issue. Landfill site selection requires e...
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Case Report
Supply Assurance, Affordable Prices, Energy Conservation, and Zero-Carbon Heating: Promising Directions for Social Welfare and Industrial Development
Dian Yi*,
Binghua Wang
Issue:
Volume 9, Issue 1, March 2025
Pages:
7-28
Received:
16 December 2024
Accepted:
2 January 2025
Published:
24 January 2025
DOI:
10.11648/j.ajese.20250901.12
Downloads:
Views:
Abstract: I had the privilege of conducting the field visits to several notable projects: the Inner Mongolia heating project, the Intelligent Thermal Energy Metering and Monitoring Platform of Menghua Technology, Tsinghua University's Building Energy Saving and Rural Heating solutions, Newenergy's air source heat pump, SPIC’s Shandong nuclear heating project, and the Xiangtan’s solar heat pump demonstration project. Based on my analysis of the current status and future trends of clean heating, and drawing insights from the rapid advancement of clean energy in China's electric power sector, this paper evaluates the challenges and opportunities within the heating industry. Elevated coal prices, in conjunction with limited price tolerance among residents, have led to industry-wide financial deficits and a reduction in both the motivation and available funding for energy-saving and carbon-reduction upgrades of heating systems. Moreover, the path to achieving efficient heating in small towns and rural areas remains challenging, while zero-carbon heating technologies are only beginning to demonstrate potential. In this context, it is crucial to implement policies that foster energy conservation and emission reduction while attracting investments, including long-term special bonds, to execute national strategies and bolster safety capabilities in critical sectors. Effective interactions among stakeholders can be achieved through the utilization of direct financing tools such as equity financing, bond financing, and REITs, thereby attracting more entrepreneurs and social capital into the heating industry. This will facilitate a synergistic relationship among the government, enterprises, and residents. Under government guidance, strategic directions and solutions for building energy conservation, emission reduction, and zero-carbon heating—such as heat pumps, medium and deep geothermal energy, nuclear energy, and distributed renewable energy power generation and heating—can be established. Simultaneously, the government can balance the triad of supply security, affordable prices, and environmental sustainability. By fostering technological, model, and institutional innovations, we can expedite the development of energy-saving, intelligent, clean, and zero-carbon heating technologies and industries. This industry holds promising prospects, offers robust cash flow, and has significant potential for energy conservation and emission reduction.
Abstract: I had the privilege of conducting the field visits to several notable projects: the Inner Mongolia heating project, the Intelligent Thermal Energy Metering and Monitoring Platform of Menghua Technology, Tsinghua University's Building Energy Saving and Rural Heating solutions, Newenergy's air source heat pump, SPIC’s Shandong nuclear heating project...
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