气候变化领域集成服务门户(CCPortal): Characteristics of regional transport during two-year wintertime haze episodes in North China megacities

CCPortal

DOI	10.1016/j.atmosres.2021.105582
	Characteristics of regional transport during two-year wintertime haze episodes in North China megacities
	Yang W.; Du H.; Wang Z.; Zhu L.; Wang Z.; Chen X.; Chen H.; Wang W.; Zhang R.; Li J.; Dao X.
发表日期	2021
ISSN	0169-8095
卷号	257
英文摘要	A three-dimensional air quality model coupled with an on-line source-tagged module was adopted to investigate the source-receptor relationship in North China during the winter of 2017 and 2018. The total contribution of cities located along transport pathway (the “2 + 26” cities) accounts for most of the fine particulate matter (PM2.5) across this region both on average and during haze episodes. Regional joint prevention and control strategies are crucial to both routine and emergency environmental governance. Compared to primary PM2.5, secondary compounds may be transported across greater distances and impose notable effects in downstream areas. In regard to the secondary inorganic aerosols (SIA) in Beijing during haze episodes, regional transport plays a more important role than do local emissions. The contribution of the transport of particle-phase secondary pollutants is comparable to that of the transport of gas-phase precursors during haze episodes. Control measurements of gas-phase precursors in upstream areas are also important, and they benefit the reduction in the total PM2.5 level. © 2021
英文关键词	Air quality model; PM2.5; Source apportionment
来源期刊	Atmospheric Research
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/236762
作者单位	State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China; Center for Excellence in Urban Atmospheric Environment, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, 361021, China; University of Chinese Academy of Sciences, Beijing, 100049, China; China National Environmental Monitoring Center, Beijing, 100012, China; Research Institute for Applied Mechanics, Kyushu University, Fukuoka, 816-8589, Japan; Research Institute of Environmental Science, Zhengzhou University, Zhengzhou, 450001, China
推荐引用方式 GB/T 7714	Yang W.,Du H.,Wang Z.,et al. Characteristics of regional transport during two-year wintertime haze episodes in North China megacities[J],2021,257.
APA	Yang W..,Du H..,Wang Z..,Zhu L..,Wang Z..,...&Dao X..(2021).Characteristics of regional transport during two-year wintertime haze episodes in North China megacities.Atmospheric Research,257.
MLA	Yang W.,et al."Characteristics of regional transport during two-year wintertime haze episodes in North China megacities".Atmospheric Research 257(2021).