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Resolving the effect of roadside vegetation barriers as a near-road air pollution mitigation strategy.
Env Sci Adv
January 2024
Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA.
Article Synopsis
- Communities near roads suffer from high traffic-related air pollution, presenting significant public health and environmental justice challenges.
- Roadside green infrastructure, like trees and bushes, can help lower pollution levels, but current Gaussian-based models don't account for these vegetation barriers, making pollution reduction efforts less effective.
- A new multi-regime Gaussian-based model has been developed to incorporate the effects of vegetation on pollutant dispersion and deposition, demonstrating promising accuracy in evaluating air quality improvements for various particle sizes and conditions.
Effect of distance information and number of warning signs on driving safety of young adults near road work zones in China.
Accid Anal Prev
November 2023
Joint International Research Laboratory on Traffic Psychology & Behaviors, Fuzhou University, Fujian 350116, China; School of Humanities and Social Sciences, Fuzhou University, Fujian 350116, China. Electronic address:
The continuous growth of automobile ownership and road mileage in China has brought a lot of road maintenance work. The work zone shall be set for road maintenance work. Due to the road characteristics near the work zone, more accidents and a higher accident risk exist.
View Article and Find Full Text PDFEvaluation on ventilation and traffic pollutant dispersion in asymmetric street canyons with void decks.
Air Qual Atmos Health
February 2023
School of Environment and Architecture, University of Shanghai for Science and Technology, Yangpu District, No. 516, Jungong Road, Shanghai, China.
With continuous global warming, growing urban population density, and increasing compactness of urban buildings, the "void deck" street canyon design has become increasingly popular in city planning, especially for urban streets located in tropical areas. Nevertheless, research on traffic pollutant dispersion in street canyons with void decks (VDs) is still at its early stage. This study quantitatively evaluates the effects of void deck height and location on the canyon ventilation and pollutant dispersion in asymmetric street canyons with void decks, and the pollutant exposure risk level for pedestrians and street dwellers.
View Article and Find Full Text PDFDesigning roadside green infrastructure to mitigate traffic-related air pollution using machine learning.
Sci Total Environ
June 2021
Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY 14853, USA. Electronic address:
Communities located in near-road environments are exposed to traffic-related air pollution (TRAP), causing adverse health effects. While roadside vegetation barriers can help mitigate TRAP, their effectiveness to reduce TRAP is influenced by site-specific conditions. To test vegetation designs using direct field measurements or high-fidelity numerical simulations is often infeasible since urban planners and local communities often lack the access and expertise to use those tools.
View Article and Find Full Text PDFEnhancing near-road exposure assessment.
J Air Waste Manag Assoc
February 2021
Health Effects Institute, Boston, Massachusetts, USA.
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