About: Enhanced secondary pollution offset reduction of primary emissions during COVID-19 lockdown in China

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An Entity of Type : schema:ScholarlyArticle, within Data Space : wasabi.inria.fr associated with source document(s)

Attributes	Values
type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
title	Enhanced secondary pollution offset reduction of primary emissions during COVID-19 lockdown in China
Creator	Cheng, Wei Zhang, Qiang Li, Yuanyuan Huang, Xin Nie, Wei Davis, Steven Zheng, Bo Fu, Qingyan Gao, Jian Qin, Wei Ding, Aijun He, Kebin Chai, Fahe Che, Fei Chen, Liangduo Chi, Xuguang Liu, Baoxian Liu, Weijing Pang, Nini Qi, Ximeng Ren, Chuanhua Tang, Rong Tong, Dan Wang, Haikun Wang, Jiaping Xu, Zheng Zhou, Derong
source	PMC
abstract	To control the spread of the 2019 novel coronavirus (COVID-19), China imposed nationwide restrictions on the movement of its population (lockdown) after the Chinese New Year of 2020, leading to large reductions in economic activities and associated emissions. Despite such large decreases in primary pollution, there were nonetheless several periods of heavy haze pollution in East China, raising questions about the well-established relationship between human activities and air quality. Here, using comprehensive measurements and modeling, we show the haze during the COVID lockdown were driven by enhancements of secondary pollution. In particular, large decreases in NO(x) emissions from transportation increased ozone and nighttime NO(3) radical formation, and these increases in atmospheric oxidizing capacity in turn facilitated the formation of secondary particulate matter. Our results, afforded by the tragic natural experiment of the COVID-19 pandemic, indicate that haze mitigation depends upon a coordinated and balanced strategy for controlling multiple pollutants.
has issue date	2020-06-18(xsd:dateTime)
bibo:doi	10.1093/nsr/nwaa137
has license	cc-by
sha1sum (hex)	74b65ef92957f7fb2de11fc469faa4a81c4b21b3
schema:url	https://doi.org/10.1093/nsr/nwaa137
resource representing a document's title	Enhanced secondary pollution offset reduction of primary emissions during COVID-19 lockdown in China
has PubMed Central identifier	PMC7337733
schema:publication	Natl Sci Rev
resource representing a document's body	covid:74b65ef92957f7fb2de11fc469faa4a81c4b21b3#body_text
is schema:about of	named entity 'nationwide' named entity 'activities' named entity 'lockdown' named entity 'atmospheric' named entity 'raising' named entity 'emissions' named entity '2019' named entity 'capacity' named entity 'comprehensive' named entity 'emissions' named entity 'economic activities' named entity 'measurements' named entity 'particulate matter' named entity 'reduction' named entity 'particulate matter' named entity 'sulfate' named entity 'eastern China' named entity 'eastern China' named entity 'pollution' named entity 'Hubei province' named entity 'Beijing' named entity 'organic compound' named entity 'oxidant' named entity 'TROPOMI' named entity 'sulfuric acid' named entity 'China' named entity 'elemental carbon' named entity 'megacities' named entity 'diurnal' named entity 'tropomi' named entity 'northern China' named entity 'Beijing' named entity 'VOCs' named entity 'Tsinghua' named entity 'EEMD' named entity 'VOCs' named entity 'oxidization' named entity 'pollution' named entity 'emission reduction' named entity 'Nanjing' named entity 'PM 2.5' named entity 'N 2 O' named entity 'China' named entity 'eastern China' named entity 'source code' named entity 'pollution' named entity 'ammonium' named entity 'HYSPLIT' named entity 'VOCs' named entity 'VOC' named entity 'pollution' named entity 'Nanjing' named entity 'TROPOspheric' named entity 'northern China' named entity 'carbon monoxide' named entity 'VOCs' named entity 'emission inventory'

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