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Estimating and Mapping Potential Littering into Canal in Catchment Areas
 
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1
Graduate Programs in Environmental Systems, Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, 808-0135, Japan
 
2
Department of Urban and Regional Planning, Faculty of Engineering, Hasanuddin University, Makassar, 92119, Indonesia
 
3
Department of Natural Science Education, School of Postgraduate Studies, Universitas Pakuan, Bogor, 16143, Indonesia
 
4
Research Centre for Urban Energy Management, Institute of Environmental Science and Technology, The University of Kitakyushu, Kitakyushu, 808-0135, Japan
 
 
Corresponding author
Nani Anggraini   

Graduate Programs in Environmental Systems, Graduate School of Environmental Engineering, The University of Kitakyushu, Kitakyushu, 808-0135, Japan
 
 
Ecol. Eng. Environ. Technol. 2024; 9
 
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ABSTRACT
Waste mismanagement occurs in the canal catchment area due to uneven waste transportation services, allowing waste to leak into the canal. This research aims to identify catchment areas of the canal with the potential for waste mismanagement, estimate the amount of waste that could enter the channels and compare the results with the density of floating waste above the channel. The research method involves spatial analysis using GIS, incorporating various variables such as land use, building data for population and waste generation calculations, road network data for channel access, and service area data for garbage truck transportation. Next, we conduct an overlay analysis to create a zone map of potential littering areas in the channel, accompanied by an estimate of the waste amount. Furthermore, we used aerial mapping with a UAV as comparative data to monitor the density of floating waste. The results indicate that approximately 296 hectares of land, a potential zone for waste disposal into canals, generate 161,750 liters daily, accounting for 33% of the total waste generation in the water catchment area. This research successfully detected the density of floating waste at the top of the canal, particularly in four areas of the potential zone: Sambung Jawa Ward, Bontorannu Ward, Balang Baru Ward, and Pa'baengbaeng Ward, proves that there is mismanagement of waste on land. This situation demonstrates the need to address waste mismanagement by examining regional zones with access to a waste bank as an alternative solution.
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