AbstractA microsimulation of individuals’ activities is used in the context of a risk analysis framework to assess the impacts of hypothesized changes to the built environment on personal energy expenditure and on inhalation of air pollutants. Uncertainty is assessed using Monte Carlo simulations and sensitivity analyzes. We find both simulated individuals that augment and others that reduce their energy expenditure and inhalation dose of pollutants, with median increases displaying larger magnitudes than the decreases. Up to 75% of the population has significant increases in energy expenditure and pollutant inhalation. We also find, however, high uncertainty associated with the estimates. Results differ considerably depending on the travel mode choice model used in the simulation.
Tradeoffs in incremental changes towards pedestrian-friendly environments: Physical activity and pollution exposure
Transportation Research Part D: Transport and Environment ; 14 , 4 ; 255-263
2009-01-01
9 pages
Article (Journal)
Electronic Resource
English
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