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- W3124493368 abstract "Abstract With a focus on the hot topics of traffic congestion and smog (air quality), in this study, the impact of road traffic on urban air quality was the first quantitatively analyzed based on the aerosol optical thickness (AOD) and geographical weighted regression (GWR) models, including the road network density, road area occupancy, intersection number, and bus network density. The main research conclusions are as follows. There is a strong positive correlation between the peak congestion delay index (PCDI) and air quality. Based on the GWR model, AOD has high correlations with four road network traffic characteristic parameters, and these correlations are much higher than ordinary linear regression, that is, GWR refines the local spatial changes in the AOD and the road parameters. The correlation was mainly positive. The correlation between AOD and the road area occupancy was the highest, and the correlations between PM2.5 and the density of the bus network and the number of intersections were higher than those with the road network density. Thus, bus route planning, bus emission reduction, road network planning, and signal timing (intersection) have a greater impact on air quality, especially in areas with traffic jams. This study has a certain guiding significance for traffic planning and traffic control, and it provides support and a basis for traffic planning and control." @default.
- W3124493368 created "2021-02-01" @default.
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- W3124493368 date "2021-01-16" @default.
- W3124493368 modified "2023-09-27" @default.
- W3124493368 title "Analysis of the Impact of Road Traffic on the Urban Air Quality" @default.
- W3124493368 doi "https://doi.org/10.21203/rs.3.rs-139784/v1" @default.
- W3124493368 hasPublicationYear "2021" @default.
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