Evaluation of landfill sites using GIS-based MCDA with hesitant fuzzy linguistic term sets

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RESEARCH ARTICLE

Evaluation of landfill sites using GIS-based MCDA with hesitant fuzzy linguistic term sets Barış Özkan 1 & İnci Sarıçiçek 2 & Eren Özceylan 3 Received: 7 April 2020 / Accepted: 13 July 2020 # Springer-Verlag GmbH Germany, part of Springer Nature 2020

Abstract There are many criteria to be considered in environmental, social, and economic issues for the landfill site selection (LSS). Multicriteria decision analysis (MCDA) methods are often used to solve complex decision-making problems such as LSS. However, decision-makers (DMs) may hesitate during the evaluation of the landfill sites with possible incorrect evaluation concerns. Therefore, the inclusion of the hesitant fuzzy linguistic term sets (HFLTS), which considers the hesitations in the preferences of DMs, is suitable for the solution of the problem. On the other hand, geographic information systems (GIS) is an important decision support tool that can analyze different types of spatial data. The aim of this study is to evaluate landfill sites. To do so, the applied approach includes the processes of identifying appropriate alternative sites for landfills by combining HFLTS-based MCDA method and GIS and evaluation of alternative sites with Technique for Order Preference by Similarity to Ideal Solution (TOPSIS). The applicability of the proposed approach is tested on Samsun city, Turkey. As a result, scenario analysis, which is dominated by environmental criteria, provides better results dominated by social-economic criteria. Consequently, 12 alternative locations are selected and evaluated for the LSS. Atakum and Canik districts of Samsun city are determined as very suitable locations for landfill sites. Keywords Geographic information systems . HFLTS . Landfill site . Municipal solid waste . TOPSIS

Introduction Rapid increase of world population, urbanization, high material consumption of developed economies, increase of product complexity, use of substances that may cause environmental problems in the production of consumer goods, lifestyles, income levels, and behaviors of people requires the establishment of an effective waste management system (Demesouka et al. 2014). Municipal solid waste (MSW) management is not just an important environmental task but it also includes various socio-cultural and economic issues. Waste reduction, Responsible Editor: Philippe Garrigues * Eren Özceylan [email protected] 1

Industrial Engineering Department, Ondokuz Mayıs University, Samsun, Turkey

2

Industrial Engineering Department, Eskisehir Osmangazi University, Eskisehir, Turkey

3

Industrial Engineering Department, Gaziantep University, Gaziantep, Turkey

reuse, recycling, energy recovery, incineration, and landfill are among the components of MSW management (Moeinaddini et al. 2010). According to the World Bank data in 2016, the average daily MSW amount per person in the world is 0.74 kg and the total amount of MSW per year is 2.04 billion tons. MSW production is expected to increase to 3.4 billion tons by 2050 with a rapid increase in popul