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Sustainable cities and society v.29, 2017년, pp.68 - 76   SCIE
본 등재정보는 저널의 등재정보를 참고하여 보여주는 베타서비스로 정확한 논문의 등재여부는 등재기관에 확인하시기 바랍니다.

Regional assessment of exposure to traffic-related air pollution: Impacts of individual mobility and transit investment scenarios

Shekarrizfard, Maryam (Civil Engineering, McGill University, Canada ); Faghih-Imani, Ahmadreza (Civil Engineering, McGill University, Canada ); Tétreault, Louis-Francois (Département de Santé ); Yasmin, Shamsunnahar (Environnementale et Santé ); Reynaud, Frederic (au Travail, Université ); Morency, Patrick (de Montréal, Canada ); Plante, Celine (Civil, Environmental and Construction Engineering, University of Central Florida, United States ); Drouin, Louis (Oliver Wyman Consulting, Montreal, Canada ); Smargiassi, Audrey (Direction Régionale de santé ); Eluru, Naveen (Publique du CIUSS du Centre-Sud-de-l'Île de Montréal, Canada ); Hatzopoulou, Marianne (Direction Régionale de santé );
  • 초록  

    Abstract This paper describes the design and application of an integrated model for the prediction of exposure to traffic related air pollution in an urban area as a result of transport policy scenarios. For this purpose, a travel demand model linked with models for traffic assignment, emissions, and air quality was used to simulate population exposure to ambient Nitrogen Dioxide (NO 2 ) in a base year (2008) and in a horizon year (2031) while incorporating population and demographic projections. The integrated model was used to evaluate the impacts of the planned regional transit and vehicle technology improvements on exposure to NO 2 . In the 2031 business as usual scenario, an average decrease of 19% in exposure to NO 2 is observed across the sample population, compared to the 2008 base case. This decrease is primarily attributed to projected improvements in vehicle technology. In the 2031 transit scenario, we observed an average 10% decrease in exposure compared to the 2031 business as usual. In terms of the spatial variability in air pollution, the transit scenario was observed to achieve large reductions in NO 2 concentrations within the downtown area and moderate reductions throughout the suburbs. Highlights Integrated model evaluated impacts of transit and vehicle improvements on exposure. We observed an increase in modal share of public transit and lower traffic volumes. We observed lower emissions and NO 2 concentrations in the downtown area. The effect of transit policy on exposure is smaller than vehicle technology.


  • 주제어

    Air quality .   Dispersion modelling .   Traffic emissions .   Nitrogen dioxide (NO2) .   Transit .   Policy scenario .   Future horizon .   Air pollution exposure.  

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