Quantifying Traffic Congestion-Induced Change of Near-road Air Pollutant Concentration
| 项目名称： | Quantifying Traffic Congestion-Induced Change of Near-road Air Pollutant Concentration |
| 摘要： | Traffic congestion (either recurrent or non-recurrent) exacerbates the ambient air pollution by contributing a large amount of additional fuel consumption and tailpipe emissions. However, the relationship between the traffic condition and local (e.g., near-road) air pollutant concentration is not well quantified in previous literature. For example, there is a knowledge gap in understanding the impacts of traffic congestion on the degradation of local air quality. The primary goal of this study is to quantify the contributions to the ambient air quality degradation due to traffic congestion, based on statistical methods. First, the air quality measurement data at a fine temporal resolution (e.g. 1-minute or 5-minute) will be requested from a near-road air quality monitoring station. Then, the air quality data, traffic activities, and weather parameters will be integrated into a database. The research team proposes to apply a nonparametric regression technique (e.g., Multivariate Adaptive Regression Splines (MARS) model) to the integrated database for further exploring the influential factors of traffic congestion for air pollutant concentration. The project results can further be used to guide the policy and decision making to mitigate the negative effects on air quality by traffic activities, and provide a foundation to evaluate the proactive strategies/applications at both the vehicle/power-train level and traffic level. |
| 状态： | Completed |
| 资金： | 75000 |
| 资助组织： | Office of the Assistant Secretary for Research and Technology |
| 管理组织： | Center for Advancing Research in Transportation Emissions, Energy and Health |
| 项目负责人： | Walker, Marcia A |
| 执行机构： | University of California, Riverside |
| 主要研究人员： | Wu, Guoyuan |
| 开始时间： | 20180201 |
| 预计完成日期： | 20190331 |
| 实际结束时间： | 0 |
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