Articles | Volume 23, issue 11
https://doi.org/10.5194/acp-23-6217-2023
https://doi.org/10.5194/acp-23-6217-2023
Research article
 | 
07 Jun 2023
Research article |  | 07 Jun 2023

Unbalanced emission reductions of different species and sectors in China during COVID-19 lockdown derived by multi-species surface observation assimilation

Lei Kong, Xiao Tang, Jiang Zhu, Zifa Wang, Yele Sun, Pingqing Fu, Meng Gao, Huangjian Wu, Miaomiao Lu, Qian Wu, Shuyuan Huang, Wenxuan Sui, Jie Li, Xiaole Pan, Lin Wu, Hajime Akimoto, and Gregory R. Carmichael

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Cited articles

Brasseur, G. P., Hauglustaine, D. A., Walters, S., Rasch, P. J., Muller, J. F., Granier, C., and Tie, X. X.: MOZART, a global chemical transport model for ozone and related chemical tracers 1. Model description, J. Geophys. Res.-Atmos., 103, 28265–28289, https://doi.org/10.1029/98jd02397, 1998. 
Cai, H. and Xie, S.: Traffic-related air pollution modeling during the 2008 Beijing Olympic Games: The effects of an odd-even day traffic restriction scheme, Sci. Total Environ., 409, 1935–1948, https://doi.org/10.1016/j.scitotenv.2011.01.025, 2011. 
Chen, Z., Hao, X., Zhang, X., and Chen, F.: Have traffic restrictions improved air quality? A shock from COVID-19, J. Clean Prod., 279, 123622, https://doi.org/10.1016/j.jclepro.2020.123622, 2021. 
Cheng, C., Barceló, J., Hartnett, A. S., Kubinec, R., and Messerschmidt, L.: COVID-19 Government Response Event Dataset (CoronaNet v.1.0), Nat. Hum. Behav., 4, 756–768, https://doi.org/10.1038/s41562-020-0909-7, 2020. 
Chowdhury, S., Dey, S., Tripathi, S. N., Beig, G., Mishra, A. K., and Sharma, S.: “Traffic intervention” policy fails to mitigate air pollution in megacity Delhi, Environ. Sci. Policy, 74, 8–13, https://doi.org/10.1016/j.envsci.2017.04.018, 2017. 
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A multi-air-pollutant inversion system has been developed in this study to estimate emission changes in China during COVID-19 lockdown. The results demonstrate that the lockdown is largely a nationwide road traffic control measure with NOx emissions decreasing by ~40 %. Emissions of other species only decreased by ~10 % due to smaller effects of lockdown on other sectors. Assessment results further indicate that the lockdown only had limited effects on the control of PM2.5 and O3 in China.
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