Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 19, issue 13
Articles | Volume 19, issue 13
https://doi.org/10.5194/acp-19-8831-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-8831-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 13
Research article
 | 
11 Jul 2019
Research article |  | 11 Jul 2019

High-resolution mapping of vehicle emissions of atmospheric pollutants based on large-scale, real-world traffic datasets

Daoyuan Yang, Shaojun Zhang, Tianlin Niu, Yunjie Wang, Honglei Xu, K. Max Zhang, and Ye Wu

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Short summary
Our work developed a high-resolution emission inventory (EMBEV-Link) with extensive traffic data covering the entire city of Beijing, which mapped the heterogeneity of road emissions associated with traffic dynamics. Nonlocal trucks accounted for substantial emissions (e.g., ~ 30 % of NOx), though they are missing in previous inventories. EMBEV-Link can support fine-grained dispersion modeling (e.g., 1 m × 1 m at hotspots) and mitigate the uncertainty in top-down emission mapping.
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