DOI: 10.1016/j.atmosenv.2014.07.036
Scopus记录号: 2-s2.0-84904722151
论文题名: Impacts of biogenic isoprene emission on ozone air quality in the Seoul metropolitan area
作者: Lee K ; -Y ; , Kwak K ; -H ; , Ryu Y ; -H ; , Lee S ; -H ; , Baik J ; -J
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2014
卷: 96 起始页码: 209
结束页码: 219
语种: 英语
英文关键词: Biogenic isoprene emission
; CMAQ modeling system
; Isoprene oxidation products
; Ozone air quality
; Seoul
; WRF model
Scopus关键词: Air quality
; Isoprene
; Oxidation
; Ozone
; Weather forecasting
; Cmaq models
; Isoprene emission
; Oxidation products
; Seoul
; WRF Model
; Acetaldehyde
; acetaldehyde
; biogenic isoprene
; formaldehyde
; isoprene
; ozone
; peroxy methacryloyl nitrate
; unclassified drug
; air quality
; biogenic emission
; concentration (composition)
; isoprene
; metropolitan area
; ozone
; pollution monitoring
; simulation
; air pollution
; air quality
; article
; chemistry
; circadian rhythm
; community multiscale air quality model
; gas
; meteorology
; oxidation
; priority journal
; simulation
; South Korea
; weather research and forecasting model
; Seoul [South Korea]
; South Korea
Scopus学科分类: Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
英文摘要: The impacts of biogenic isoprene emission on ozone (O3) air quality during an episode under weak synoptic forcing in the Seoul metropolitan area (SMA), Republic of Korea, are investigated using the Community Multiscale Air Quality (CMAQ) modeling system coupled with the Weather Research and Forecasting (WRF) model. Simulations with different biogenic isoprene emission scenarios show that the impact of biogenic isoprene emission on the daily maximum O3 concentration is as high as 37ppb in the Seoul region. The O3 concentration in the Seoul region is significantly increased by the biogenic isoprene emission from the surrounding region compared to that from within the Seoul region. In addition, the gas-phase chemistry is found to be the most important process for O3 concentration in the Seoul region in the presence of the biogenic isoprene emission from the surrounding region. While isoprene is not enough to influence O3 concentration directly due to its short lifetime, the transport of isoprene oxidation products plays a crucial role in increasing O3 concentration in the Seoul region. Through the process analysis, peroxy methacryloyl nitrate (MPAN) as well as formaldehyde (HCHO) and acetaldehyde (CCHO) is also identified as the important precursor that links biogenic isoprene emission from the surrounding region to O3 concentration in the Seoul region. After transported by daytime local circulations, the chemistry of isoprene oxidation products contributes to O3 formation in the Seoul region. © 2014 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/80972
Appears in Collections: 气候变化事实与影响
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作者单位: School of Earth and Environmental Sciences, Seoul National University, Seoul 151-742, South Korea; Department of Civil and Environmental Engineering, Princeton University, NJ 08544, United States; Department of Atmospheric Science, Kongju National University, Gongju 314-701, South Korea
Recommended Citation:
Lee K,-Y,, Kwak K,et al. Impacts of biogenic isoprene emission on ozone air quality in the Seoul metropolitan area[J]. Atmospheric Environment,2014-01-01,96