气候变化领域集成服务门户(CCPortal): Vertical profiles and regional transport of ozone and aerosols in the Yangtze River Delta during the 2016 G20 summit based on multiple lidars

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DOI	10.1016/j.atmosenv.2021.118506
	Vertical profiles and regional transport of ozone and aerosols in the Yangtze River Delta during the 2016 G20 summit based on multiple lidars
	Wang X.; Xiang Y.; Liu W.; Lv L.; Dong Y.; Fan G.; Ou J.; Zhang T.
发表日期	2021
ISSN	1352-2310
卷号	259
英文摘要	The G20 summit of 2016 was held from September 4–5, and a series of stringent emission reduction measures were taken in Hangzhou, an economically developed city in the Yangtze River Delta (YRD), and its surrounding regions. This study analyzed the vertical and regional pollutant distributions and their interactions in Hangzhou during the summit. The results show that the concentration of PM2.5 decreased and the concentration of ozone increased. The average hourly PM2.5 concentration decreased by 43.67% during the control period compared with afterward, and PM2.5 transport was mainly from southern part of Anhui and southeastern part of Zhejiang. There were four occurrences of heavy ozone pollution during the observation period, and the maximum value reached 130.56 ppb. Vertical and horizontal transport mainly occurred at a height of 1–2 km. The Weather Research and Forecasting (WRF-Chem) model demonstrated that the most severe ozone pollution was affected by the northeast wind, and the downdraft created a continuous high concentration of ozone pollution. The correlation between the ozone concentration and the aerosol extinction coefficient was negative below 0.84 km and positive around 0.84–2 km. © 2021
关键词	G20 Lidar Ozone PM2.5 WRF-Chem Yangtze River Delta
语种	英语
scopus关键词	Aerosols; Air pollution; Atmospheric movements; Emission control; Ozone; River pollution; Rivers; Weather forecasting; Emission reduction; G20; Hangzhou; Ozone pollution; PM$-2.5$; Regional transport; Stringents; Vertical profile; WRF/Chem; Yangtze river delta; Optical radar; atmospheric pollution; atmospheric transport; concentration (composition); correlation; economic development; emission control; lidar; ozone; pollutant transport; vertical profile; Anhui; China; Hangzhou; Zhejiang; Zhejiang
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/248373
作者单位	Institutes of Physical Science and Information Technology, Anhui University, Hefei, 230601, China; Key Laboratory of Environmental Optics and Technology, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences, Hefei, 230031, China; Anhui Wanxin Environmental Technology Co., Ltd, Hefei, 230093, China
推荐引用方式 GB/T 7714	Wang X.,Xiang Y.,Liu W.,et al. Vertical profiles and regional transport of ozone and aerosols in the Yangtze River Delta during the 2016 G20 summit based on multiple lidars[J],2021,259.
APA	Wang X..,Xiang Y..,Liu W..,Lv L..,Dong Y..,...&Zhang T..(2021).Vertical profiles and regional transport of ozone and aerosols in the Yangtze River Delta during the 2016 G20 summit based on multiple lidars.ATMOSPHERIC ENVIRONMENT,259.
MLA	Wang X.,et al."Vertical profiles and regional transport of ozone and aerosols in the Yangtze River Delta during the 2016 G20 summit based on multiple lidars".ATMOSPHERIC ENVIRONMENT 259(2021).