Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 19, issue 20
Articles | Volume 19, issue 20
https://doi.org/10.5194/acp-19-12835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-19-12835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 20
Research article
 | 
15 Oct 2019
Research article |  | 15 Oct 2019

High-resolution (0.05°  ×  0.05°) NOx emissions in the Yangtze River Delta inferred from OMI

Hao Kong, Jintai Lin, Ruixiong Zhang, Mengyao Liu, Hongjian Weng, Ruijing Ni, Lulu Chen, Jingxu Wang, Yingying Yan, and Qiang Zhang

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Short summary
We develop a computationally efficient space-based top-down method to inverting NOx emissions in major urban areas at high resolution. The inversion method uses long-term OMI NO2 data to enhance the horizontal resolution, and it accounts for the nonlinear effects of horizontal transport, chemical loss, and deposition on NOx. The inversion results reveal fine-scale spatial information of emissions which is hardly captured by bottom-up inventories.
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