气候变化领域集成服务门户(CCPortal): Dew condensation during a typical haze event in Changchun; China

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DOI	10.2166/wcc.2019.223
	Dew condensation during a typical haze event in Changchun; China
	Xu Y.; Luan Z.; Zhu H.
发表日期	2020
ISSN	20402244
起始页码	568
结束页码	576
卷号	11 期号:2
英文摘要	Haze is one of the most serious environmental problems affecting China. This study monitored the changes in dew amount and quality during a haze event that occurred in 2016. Water vapor migrated continuously to the near surface during the haze event. The period of dew condensation increased because of meteorological factors, and the daily dew amount (0.178 mm) was higher during the haze event than in non-haze weather (0.0607 mm). The concentrations of all ions in the dew increased gradually during the haze event, peaking during the most serious period of the haze. The concentrations of SO24 and NHþ4 reached 15,325.95 and 13,865.45 μeq/L, which were 2.24 and 10.83 times greater than those obtained before the haze event, respectively. During the haze event, the particulate matter (PM) concentrations within the dew increased, and the mass concentrations of PM2.5 and PM2.5-10 during the worst haze event were 65.3 and 166.1 mg/L, respectively. The dew mainly removed coarse PM; the average removal rates of PM2.5 and PM2.5-10 during the haze event were 13.6% and 16.9%, respectively. Dew can capture PM throughout a haze event, and its purifying effect on the underlying surface was obvious, especially during the beginning of the event. © IWA Publishing 2020.
英文关键词	Chemical characterization; Dew; Haze; Particulate matter; Removal ability
语种	英语
scopus关键词	Climate change; Dew condensation; Environmental problems; Mass concentration; Meteorological factors; Near surfaces; Particulate Matter; Purifying effect; Underlying surface; Condensation; air quality; atmospheric chemistry; concentration (composition); condensation; dew; haze; particulate matter; water vapor; Changchun; China; Jilin
来源期刊	Journal of Water and Climate Change
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/147937
作者单位	Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, No.5088 XinCheng Road, Changchun, Jilin Province 130118, China; College of Biology and the Environment, Nanjing Forestry University, Nanjing, Jiangsu Province 210037, China; Key Laboratory of Wetland Ecology and Environment, Northeast Institute of Geography and Agroecology, Chinese Academy of Sciences, No.4888 ShengBei Road, Changchun, Jilin Province 130102, China
推荐引用方式 GB/T 7714	Xu Y.,Luan Z.,Zhu H.. Dew condensation during a typical haze event in Changchun; China[J],2020,11(2).
APA	Xu Y.,Luan Z.,&Zhu H..(2020).Dew condensation during a typical haze event in Changchun; China.Journal of Water and Climate Change,11(2).
MLA	Xu Y.,et al."Dew condensation during a typical haze event in Changchun; China".Journal of Water and Climate Change 11.2(2020).