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Impact of city lockdown on the air quality of COVID-19-hit of Wuhan city
文献类型：期刊论文
| 作者 | Lian, Xinbo1; Huang, Jianping1,2; Huang, Rujin3; Liu, Chuwei1; Wang, Lina4; Zhang, Tinghan1 |
| 刊名 | SCIENCE OF THE TOTAL ENVIRONMENT
 |
| 出版日期 | 2020-11-10 |
| 卷号 | 742页码:9 |
| 关键词 | COVID-19 Lockdown AQI PM2.5 NO2 O-3 |
| ISSN号 | 0048-9697 |
| DOI | 10.1016/j.scitotenv.2020.140556 |
| 通讯作者 | Huang, Jianping(hjp@lzu.edu.cn) ; Huang, Rujin() |
| 英文摘要 | A series of strict lockdownmeasures were implemented in the areas of China worst affected by coronavirus disease 19, including Wuhan, to prevent the disease spreading. The lockdown had a substantial environmental impact, because traffic pollution and industrial emissions are important factors affecting air quality and public health in the region. After the lockdown, the average monthly air quality index (AQI) in Wuhan was 59.7, which is 33.9% lower than that before the lockdown(January 23, 2020) and 47.5% lower than that during the corresponding period (113.6) from 2015 to 2019. Compared with the conditions before the lockdown, fine particulate matter (PM2.5) decreased by 36.9% and remained the main pollutant. Nitrogen dioxide (NO2) showed the largest decrease of approximately 53.3%, and ozone (O-3) increased by 116.6%. The proportions of fixed-source emissions and transported external-source emissions in this area increased. After the lockdown, O-3 pollution was highly negatively correlated with the NO2 concentration, and the radiation increase caused by the PM2.5 reduction was not the main reason for the increase in O-3. This indicates that the generation of secondary pollutants is influenced by multiple factors and is not only governed by emission reduction. (C) 2020 Elsevier B.V. All rights reserved. |
| WOS关键词 | SOURCE APPORTIONMENT ; POLLUTION ; EMISSIONS ; PM2.5 ; CORONAVIRUS ; METEOROLOGY ; OUTBREAK ; HEALTH ; CITIES ; REGION |
| 资助项目 | National Natural Science Foundation of China[41521004] ; Gansu Provincial Special Fund Project for Guiding Scientific and Technological Innovation and Development[2019ZX-06] |
| WOS研究方向 | Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000569415900018 |
| 出版者 | ELSEVIER |
| 资助机构 | National Natural Science Foundation of China ; Gansu Provincial Special Fund Project for Guiding Scientific and Technological Innovation and Development |
| 源URL | [http://ir.ieecas.cn/handle/361006/15292]  |
| 专题 | 地球环境研究所_粉尘与环境研究室 |
| 通讯作者 | Huang, Jianping; Huang, Rujin |
| 作者单位 | 1.Lanzhou Univ, Collaborat Innovat Ctr Western Ecol Safety, Lanzhou 730000, Peoples R China 2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China 3.Chinese Acad Sci, Inst Earth Environm, Xian 710061, Peoples R China 4.Gansu Prov Environm Monitoring Ctr, Lanzhou 730000, Peoples R China |
| 推荐引用方式 GB/T 7714 | Lian, Xinbo,Huang, Jianping,Huang, Rujin,et al. Impact of city lockdown on the air quality of COVID-19-hit of Wuhan city[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2020,742:9. |
| APA | Lian, Xinbo,Huang, Jianping,Huang, Rujin,Liu, Chuwei,Wang, Lina,&Zhang, Tinghan.(2020).Impact of city lockdown on the air quality of COVID-19-hit of Wuhan city.SCIENCE OF THE TOTAL ENVIRONMENT,742,9. |
| MLA | Lian, Xinbo,et al."Impact of city lockdown on the air quality of COVID-19-hit of Wuhan city".SCIENCE OF THE TOTAL ENVIRONMENT 742(2020):9. |
入库方式： OAI收割
来源：地球环境研究所
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