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| 001 | 908625 | ||
| 005 | 20240712100910.0 | ||
| 024 | 7 | _ | |a 10.1038/s41612-022-00276-0 |2 doi |
| 024 | 7 | _ | |a 2128/32297 |2 Handle |
| 024 | 7 | _ | |a 35789740 |2 pmid |
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| 037 | _ | _ | |a FZJ-2022-02725 |
| 082 | _ | _ | |a 530 |
| 100 | 1 | _ | |a Shen, Fuzhen |0 P:(DE-Juel1)194205 |b 0 |e First author |
| 245 | _ | _ | |a Disentangling drivers of air pollutant and health risk changes during the COVID-19 lockdown in China |
| 260 | _ | _ | |a London |c 2022 |b Springer Nature |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1676628278_15629 |2 PUB:(DE-HGF) |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a The COVID-19 restrictions in 2020 have led to distinct variations in NO2 and O3 concentrations in China. Here, the different drivers of anthropogenic emission changes, including the effects of the Chinese New Year (CNY), China’s 2018–2020 Clean Air Plan (CAP), andthe COVID-19 lockdown and their impact on NO2 and O3 are isolated by using a combined model-measurement approach. In addition, the contribution of prevailing meteorological conditions to the concentration changes was evaluated by applying a machine-learning method. The resulting impact on the multi-pollutant Health-based Air Quality Index (HAQI) is quantified. The results show that the CNY reduces NO2 concentrations on average by 26.7% each year, while the COVID-lockdown measures have led to an additional 11.6% reduction in 2020, and the CAP over 2018–2020 to a reduction in NO2 by 15.7%. On the other hand, meteorological conditions from 23 January to March 7, 2020 led to increase in NO2 of 7.8%. Neglecting the CAP and meteorological drivers thus leads to an overestimate and underestimate of the effect of the COVID-lockdown on NO2 reductions, respectively. For O3 the opposite behavior is found, with changes of +23.3%, +21.0%, +4.9%, and −0.9% for CNY, COVID-lockdown, CAP, and meteorology effects, respectively. The total effects of these drivers show a drastic reduction in multi-air pollutant-related health riskacross China, with meteorology affecting particularly the Northeast of China adversely. Importantly, the CAP’s contribution highlights the effectiveness of the Chinese government’s air-quality regulations on NO2 reduction. |
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| 588 | _ | _ | |a Dataset connected to CrossRef, Journals: juser.fz-juelich.de |
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| 700 | 1 | _ | |a Hegglin, Michaela Imelda |0 P:(DE-Juel1)192244 |b 1 |e Corresponding author |
| 700 | 1 | _ | |a Luo, Yuanfei |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Yuan, Yue |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Wang, Bing |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Flemming, Johannes |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Wang, Junfeng |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Zhang, Yunjiang |0 P:(DE-HGF)0 |b 7 |
| 700 | 1 | _ | |a Chen, Mindong |0 P:(DE-HGF)0 |b 8 |
| 700 | 1 | _ | |a Yang, Qiang |0 P:(DE-HGF)0 |b 9 |
| 700 | 1 | _ | |a Ge, Xinlei |0 0000-0001-9531-6478 |b 10 |
| 773 | _ | _ | |a 10.1038/s41612-022-00276-0 |g Vol. 5, no. 1, p. 54 |0 PERI:(DE-600)2925628-8 |n 1 |p 54 |t npj climate and atmospheric science |v 5 |y 2022 |x 2397-3722 |
| 856 | 4 | _ | |u https://juser.fz-juelich.de/record/908625/files/Published%20Research%20Paper-Fuzhen%20Shen.pdf |y OpenAccess |
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