Decentralised Urban Waste Management: A Case Study of Solid Waste Management in Two Indian Cities - Thiruvananthapuram and Bengaluru

Author(s):  
Namitha Madhukumar
2019 ◽  
Vol 38 (2) ◽  
pp. 193-201
Author(s):  
Euclides Santos Bittencourt ◽  
Cristiano Hora de Oliveira Fontes ◽  
Jorge Laureano Moya Rodriguez ◽  
Salvador Ávila Filho ◽  
Adonias Magdiel Silva Ferreira

Efficient urban planning requires managers’ experience and knowledge of reverse logistics in solid urban waste processes. Forecasting tools are needed to control, select and manage municipal solid waste. This paper presents the application of dynamic modeling approaches, namely, a linear autoregressive seasonal model, a model based on a FeedForward Artificial Neural Network and a Recurrent Neural Networks model, in order to forecast the unknown flows of end-of-life tires 12 months ahead. The models were identified using a database comprising four years of historical series related to the unknown flows of end-of-life tires. These were obtained through an exploratory analysis based on the annual sales reports of new tires issued by the Brazilian Institute of Geography and Statistics and reports related to the number of vehicles in circulation issued by Brazil’s National Traffic Department. The results show that the models are able to carry out consistent forecasts over the horizon of a year ahead and the predictions are capable of identifying seasonalities and supporting decision making in urban waste management.


2021 ◽  
pp. 0734242X2199465
Author(s):  
Silvia Gibellini ◽  
Hani Abu Qdais ◽  
Mentore Vaccari

The Syrian civil war, which broke out in 2011, caused the displacement of more than one million refugees to Jordan. Most of them settled in the Northern Govenorates of Jordan. Due to this, the local services and infrastructures of the hosting communities, in particular the solid waste management (SWM), were put under great pressure. The aim of this study is to evaluate how the off-camp refugees impacted the SWM in the Greater Irbid Municipality (GIM; in the Irbid Governorate), both quantitatively and qualitatively. Data and results obtained from the studies carried out before the Syrian crisis are compared with data collected by the authors in 2016 using similar or comparable methodologies. Moreover, local citizen perceptions of and satisfaction with the solid waste (SW) service level were assessed. A deterioration of the SWM in GIM between 2011 and 2016 was observed in terms of service performance indicators (e.g., an increase of SW collection and transportation costs by 2.5 times and of fines for improper SW disposal by 2.2 times) and of citizens’ views (a decline in SWM quality was felt by 59% of the respondents). An attempt to cope with this situation has been made in recent years with international donors mobilizing efforts and resources to enable municipalities to meet the growing demand in basic SW services. There is however, still much to be done.


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