Atmospheric Chemistry and Physics
Atmospheric Chemistry and Physics
ACP
Articles | Volume 26, issue 14
Articles | Volume 26, issue 14
https://doi.org/10.5194/acp-26-10379-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-26-10379-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 14
Research article
 | 
24 Jul 2026
Research article |  | 24 Jul 2026

Spatiotemporal optimization of NOx and VOC emissions using a hybrid inversion framework and implications for ozone sensitivity-regime diagnosis

Jeonghyeok Moon, Wonbae Jeon, Sujong Jeong, Yunsoo Choi, Hyun Cheol Kim, Soon-Young Park, Juseon Bak, Jung-Woo Yoo, Jaehyeong Park, Dongjin Kim, Hyeonsik Choe, Chae-Yeong Yang, and Min Heo

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Short summary
This study develops a hybrid inverse modeling framework to better estimate the spatiotemporal distributions of nitrogen oxides (NOx) and volatile organic compound (VOC) emissions over South Korea. The optimized emissions improve ozone simulations and clarify whether ozone formation is more sensitive to NOx or to VOC. By identifying when precursor emissions exert the strongest influence on ozone, this work provides time-resolved guidance for region-specific air quality strategies.
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