Articles | Volume 20, issue 22
Atmos. Chem. Phys., 20, 14347–14359, 2020
https://doi.org/10.5194/acp-20-14347-2020
Atmos. Chem. Phys., 20, 14347–14359, 2020
https://doi.org/10.5194/acp-20-14347-2020

Research article 25 Nov 2020

Research article | 25 Nov 2020

Quantifying the emission changes and associated air quality impacts during the COVID-19 pandemic on the North China Plain: a response modeling study

Jia Xing et al.

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Latest update: 21 Oct 2021
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Short summary
Quantifying emission changes is a prerequisite for assessment of control effectiveness in improving air quality. However, traditional bottom-up methods usually take months to perform and limit timely assessments. A novel method was developed by using a response model that provides real-time estimation of emission changes based on air quality observations. It was successfully applied to quantify emission changes on the North China Plain due to the COVID-19 pandemic shutdown.
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