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Simulation of population-based commuter exposure to NO2 using different air pollution models

Ragettli, Martina S. and Tsai, Ming-Yi and Braun-Fahrländer, Charlotte and de Nazelle, Audrey and Schindler, Christian and Ineichen, Alex and Ducret-Stich, Regina E. and Perez, Laura and Probst-Hensch, Nicole and Künzli, Nino and Phuleria, Harish C.. (2014) Simulation of population-based commuter exposure to NO2 using different air pollution models. International journal of environmental research and public health, Vol. 11, H. 5. pp. 5049-5068.

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Official URL: http://edoc.unibas.ch/dok/A6263159

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Abstract

We simulated commuter routes and long-term exposure to traffic-related air pollution during commute in a representative population sample in Basel (Switzerland), and evaluated three air pollution models with different spatial resolution for estimating commute exposures to nitrogen dioxide (NO2) as a marker of long-term exposure to traffic-related air pollution. Our approach includes spatially and temporally resolved data on actual commuter routes, travel modes and three air pollution models. Annual mean NO2 commuter exposures were similar between models. However, we found more within-city and within-subject variability in annual mean (±SD) NO2 commuter exposure with a high resolution dispersion model (40 ± 7 µg m-3, range: 21-61) than with a dispersion model with a lower resolution (39 ± 5 µg m-3; range: 24-51), and a land use regression model (41 ± 5 µg m-3; range: 24-54). Highest median cumulative exposures were calculated along motorized transport and bicycle routes, and the lowest for walking. For estimating commuter exposure within a city and being interested also in small-scale variability between roads, a model with a high resolution is recommended. For larger scale epidemiological health assessment studies, models with a coarser spatial resolution are likely sufficient, especially when study areas include suburban and rural areas.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Former Units within Swiss TPH > Microbial Exposure & Childhood Allergies (Braun-Fahrländer)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Genetic Epidemiology of Non-Communicable Diseases (Probst-Hensch)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Chronic Disease Epidemiology > Air Pollution and Health (Künzli)
03 Faculty of Medicine > Departement Public Health > Sozial- und Präventivmedizin > Air Pollution and Health (Künzli)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Former Units within Swiss TPH > Exposure Science (Tsai)
UniBasel Contributors:Tsai, Ming and Braun-Fahrländer, Charlotte and Schindler, Christian and Ducret-Stich, Regina and Perez, Laura and Probst Hensch, Nicole and Künzli, Nino and Phuleria, Harish Chandra
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Molecular Diversity Preservation International]
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:04 Sep 2015 14:32
Deposited On:15 Aug 2014 07:16

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