Articles | Volume 19, issue 13
Atmos. Chem. Phys., 19, 8831–8843, 2019
https://doi.org/10.5194/acp-19-8831-2019
Atmos. Chem. Phys., 19, 8831–8843, 2019
https://doi.org/10.5194/acp-19-8831-2019

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 et al.

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Latest update: 16 Oct 2021
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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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