Estimation of spatial distribution of air pollution from traffic at the macro-level - Case Study: Shiraz City

Document Type : Review paper

Authors

1 Msc in Transportation, Khajeh Nasir Toosi University of Technology

2 PhD in Civil Engineering, Islamic Azad University, Science and Research Branch, Tehran

3 PhD in Information Technology, Faculty Member of Islamic Azad University of Estahban

Abstract

Transportation systems are the main sources of pollutant emissions. Regularly, Research on environmental pollutants emissions has focused on the numerical variation of emissions and fewer studies have been performed on the spatial and temporal characteristics of pollutants in urban networks. This paper aims to investigate the spatial distribution of traffic pollutants and it is analyzed the case study of Shiraz rush hour. In this study, Carbon Monoxide (CO), Carbon Dioxide (CO2), Hydrocarbon (HC), Nitrogen Oxides (NOx) and Particulate Matter (PM) pollutants are considered as the target pollutants and by using the average speed model, the amount of pollutants have estimated. Also, by equilibrium assignment model, traffic flow in macro-level have simulated. The results show that different areas of Shiraz emit different pollutants which can be due to the type of vehicles in these areas. Distribution of these pollutants in the city of Shiraz can be determined in the next researches.
 

Keywords

References

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