气候变化领域集成服务门户(CCPortal): The difference in the boundary layer height between urban and suburban areas in Beijing and its implications for air pollution

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DOI	10.1016/j.atmosenv.2021.118552
	The difference in the boundary layer height between urban and suburban areas in Beijing and its implications for air pollution
	Wang M.; Tang G.; Liu Y.; Ma M.; Yu M.; Hu B.; Zhang Y.; Wang Y.; Wang Y.
发表日期	2021
ISSN	1352-2310
卷号	260
英文摘要	Serious regional pollution often erupts in clean areas, and the impact of boundary layer structure evolution on heavy pollution in clean areas urgently needs to be studied. During the period from November 3rd to December 31st, 2014, ceilometers were used to observe the boundary layer height (BLH) of urban and suburban areas in Beijing. During the observation period, there was no significant difference in the average BLH between the urban and suburban areas of Beijing, both of which had BLHs of approximately 600 m. However, there were significant differences in the diurnal changes in the boundary layer between the urban and suburban areas. During the day, the urban area BLH was 112 m higher than the suburban area BLH, and at night, the urban area BLH was 144 m lower than the suburban area BLH. Under the background of rapid urbanization in Beijing, the variation in the underlying surface and the large amount of anthropogenic heat emissions were the main reasons for the differences between the urban and suburban boundary layers. Combined with an analysis of particulate matter concentrations, it was found that the insufficient development of the boundary layer in the suburbs at noon limited the diffusion of pollutants and caused the accumulation of pollutants, resulting in a clean, low-emission area that was heavily polluted. This research has important guiding significance for clarifying the cause of heavy regional pollution. © 2021 Elsevier Ltd
关键词	Anthropogenic heat Boundary layer Pollution Urban and suburban
语种	英语
scopus关键词	Boundary layer flow; Meteorological instruments; Anthropogenic heat; Boundary layer heights; Boundary layer structure; Observation Period; Regional pollution; Structure evolution; Suburban areas; Urban and suburban; Urban and suburban areas; Urban areas; Boundary layers; atmospheric pollution; boundary layer; diurnal variation; particulate matter; spatiotemporal analysis; suburban area; urbanization; air pollution; article; boundary layer; China; diffusion; heat; human; night; particulate matter; pollutant; suburban area; urbanization; Beijing [China]; China
来源期刊	ATMOSPHERIC ENVIRONMENT
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/248340
作者单位	Key Laboratory for Semi-Arid Climate Change of the Ministry of Education, College of Atmospheric Sciences, Lanzhou University, Lanzhou, 730000, China; State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry (LAPC), Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing, 100029, China; State Key Laboratory of Severe Weather and Key Laboratory for Atmospheric Chemistry of China Meteorology Administration, Chinese Academy of Meteorological Sciences, Beijing, 100081, China; Institute of Urban Meteorology, China Meteorological Administration, Beijing, 100089, China; University of the Chinese Academy of Sciences, Beijing, 100049, China
推荐引用方式 GB/T 7714	Wang M.,Tang G.,Liu Y.,et al. The difference in the boundary layer height between urban and suburban areas in Beijing and its implications for air pollution[J],2021,260.
APA	Wang M..,Tang G..,Liu Y..,Ma M..,Yu M..,...&Wang Y..(2021).The difference in the boundary layer height between urban and suburban areas in Beijing and its implications for air pollution.ATMOSPHERIC ENVIRONMENT,260.
MLA	Wang M.,et al."The difference in the boundary layer height between urban and suburban areas in Beijing and its implications for air pollution".ATMOSPHERIC ENVIRONMENT 260(2021).