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Sci Total Environ


Title:"Vertical profiles of O(3), NO(2) and PM in a major fine chemical industry park in the Yangtze River Delta of China detected by a sensor package on an unmanned aerial vehicle"
Author(s):Chen L; Pang X; Li J; Xing B; An T; Yuan K; Dai S; Wu Z; Wang S; Wang Q; Mao Y; Chen J;
Address:"College of Environment, Zhejiang University of Technology, Hangzhou 310000, China. College of Environment, Zhejiang University of Technology, Hangzhou 310000, China. Electronic address: pangxb@zjut.edu.cn. Shaoxing Ecological and Environmental Monitoring Center of Zhejiang Province, Shaoxing 312000, China. Electronic address: 2111927039@zjut.edu.cn. Shaoxing Ecological and Environmental Monitoring Center of Zhejiang Province, Shaoxing 312000, China. Guangdong Key Laboratory of Environmental Catalysis and Health Risk Control, Guangzhou Key Laboratory of Environmental Catalysis and Pollution Control, School of Environmental Science and Engineering, Institute of Environmental Health and Pollution Control, Guangdong University of Technology, Guangzhou 510006, China. College of Environment, Zhejiang University of Technology, Hangzhou 310000, China. Electronic address: jchen@zjut.edu.cn"
Journal Title:Sci Total Environ
Year:2022
Volume:20220701
Issue:
Page Number:157113 -
DOI: 10.1016/j.scitotenv.2022.157113
ISSN/ISBN:1879-1026 (Electronic) 0048-9697 (Linking)
Abstract:"The vertical profiles and diurnal variations of air pollutants at different heights in the fine chemical industry park (FCIP) were systematically studied in this study. Air pollutants in a major FCIP in the Yangtze River Delta of China within 500 m above ground level (AGL) detected by a sensor package on an unmanned aerial vehicle (UAV). The air pollutants including ozone (O(3)), nitrogen dioxide (NO(2)), particulate matter (PM), total volatile organic compounds (TVOCs) and carbon monoxide (CO), respectively, had been measured through more than one hundred times of vertical flights from Aug. 2020 to Jul. 2021. The concentrations of NO(2) and CO generally decreased with the height while the concentrations of O(3) increased with the height within 500 m AGL. The photochemical reaction resulted in a strong inverse relationship between the vertical profiles of O(3) and that of NO(2). The concentrations of PM(2.5) and TVOCs generally decreased with the height below 100 m AGL and were fully mixed above 100 m AGL. The vertical profiles of different particle sizes were well consistent with the R(2) value of 0.97 between PM(1) and PM(2.5) and 0.93 between PM(2.5) and PM(10). The NO(2) and PM(2.5) concentrations sometimes increased with height maybe due to the influence of temperature inversion layer or long-distance transportation from northern China. The diurnal variations of NO(2), O(3), TVOCs and CO concentrations at different heights within 500 m AGL were basically consistent. The diurnal variations range of PM(2.5) concentrations below 100 m AGL was large and different from other heights, which should be greatly influenced by the local emissions. The unstable atmospheric stability was accompanied by strong photochemical reactions and convective activities, resulting in low concentrations of NO(2) and PM(2.5), while high concentrations of O(3)"
Keywords:*Air Pollutants/analysis *Air Pollution/analysis Chemical Industry China Environmental Monitoring/methods Nitrogen Dioxide/analysis *Ozone/analysis Particulate Matter/analysis Rivers/chemistry Unmanned Aerial Devices *Volatile Organic Compounds/analysis A;
Notes:"MedlineChen, Lang Pang, Xiaobing Li, Jingjing Xing, Bo An, Taicheng Yuan, Kaibin Dai, Shang Wu, Zhentao Wang, Shuaiqi Wang, Qiang Mao, Yiping Chen, Jianmeng eng Netherlands 2022/07/06 Sci Total Environ. 2022 Nov 1; 845:157113. doi: 10.1016/j.scitotenv.2022.157113. Epub 2022 Jul 1"

 
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