Unexpected fast radical production emerges in cool seasons:implications for ozone pollution control

查看全文 作　　者：Hongli [1]Wang;Yanhui [2]Liu;Xiaorui [2]Chen;Yaqin [1]Gao;Wanyi [2]Qiu;Shengao [1]Jing;Qian [1]Wang;Shengrong [1]Lou;Peter [3]MEdwards;Cheng [1]Huang;Keding [2]Lu

机构地区：[1]State Environmental Protection Key Laboratory of Formation and Prevention of Urban Air Pollution Complex,Shanghai Academy of Environmental Sciences,Shanghai 200233,China;[2]State Key Joint Laboratory of Environmental Simulation and Pollution Control,College of Environmental Sciences and Engineering,Peking University,Beijing 100871,China;[3]Wolfson Atmospheric Chemistry Laboratories,Department of Chemistry,University of York,York YO17EP,UK

出　　处：《National Science Open》索引2022年第1卷第2期,共13页

基　　金：supported by the Natural Science Foundation of Beijing Municipality(JQ19031);the National Natural Science Foundation of China(21976006,21522701,and 91544225);the National Research Program for Key Issue in Air Pollution Control(2019YFC0214800 and 2018YFC0213800);the Science and Technology Commission of the Shanghai Municipality(18QA1403600). 摘　　要：Ozone is a crucial air pollutant that damages human health and vegetation.As it is related to the photo-oxidation of the nitrogen oxides and volatile organic compounds,the summertime reduction of these precursors is the primary focus of current ozone mitigation strategies.During ozone pollution episodes in eastern China,an observed accumulation of daily total oxidants(O_(x)=NO_(2)+O_(3))in cool seasons(spring and autumn:60 ppb and winter 40 ppb)is comparable to that in summer(60 ppb),indicating fast photochemical production of secondary pollutants including ozone over the year.Unrecognized fast radical primary productions are found to counteract the increased termination of hydroxyl radical and unfavorable meteorological conditions to maintain the rapid total oxidant formations in cool seasons.Elucidating and regulating the primary radical sources may be critical for the secondary air pollution control in cool seasons. 关键词：OH radical PHOTOCHEMISTRY VOCs OZONE air pollution

相关文献

参考文献（44）
引证文献（4）
耦合文献（43）

参考文献(44)

引证文献(4)

耦合文献(43)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Unexpected fast radical production emerges in cool seasons:implications for ozone pollution control

参考文献(44)

引证文献(4)

耦合文献(43)

用户提示