DOI: 10.1016/j.atmosenv.2015.02.016
Scopus记录号: 2-s2.0-84923625102
论文题名: Quantifying the influences of atmospheric stability on air pollution in Lanzhou, China, using a radon-based stability monitor
作者: Chambers S ; D ; , Wang F ; , Williams A ; G ; , Xiaodong D ; , Zhang H ; , Lonati G ; , Crawford J ; , Griffiths A ; D ; , Ianniello A ; , Allegrini I
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 107 起始页码: 233
结束页码: 243
语种: 英语
英文关键词: Air pollution
; Atmospheric stability
; Pasquil-Gifford
; Radon
; Stability monitor
Scopus关键词: Air pollution
; Atmospheric chemistry
; Pollution
; Radon
; Atmospheric mixing
; Atmospheric radon
; Atmospheric stability
; Classification scheme
; Pasquil-Gifford
; Pollutant concentration
; Research quality
; Stability classification
; Stability
; radon
; air quality
; atmospheric chemistry
; atmospheric pollution
; concentration (composition)
; estimation method
; mixing
; pollution monitoring
; radon
; urban pollution
; air monitoring
; air pollutant
; air pollution
; Article
; China
; climate
; priority journal
; wind
; winter
; China
; China
; Gansu
; Lanzhou
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: Commercially-available "stability monitors" based on in situ atmospheric radon progeny measurements remain underutilised as a tool for urban pollution studies, due in part to difficulties experienced in relating their standard output directly to the atmospheric mixing state in a consistent manner. The main confounding factor has been a lack of attention to the fact that the observed near-surface atmospheric radon concentration includes large synoptic and fetch-related components in addition to the local stability influence. Here, a technique recently developed for stability classification using a research-quality dual-flow-loop two-filter radon detector is adapted for use with a commercially-available radon-based stability monitor. Performance of the classification scheme is then tested in Lanzhou, China, a topographically-complex region renowned for low mean annual wind speeds (0.8ms-1) and winter stagnation episodes. Based on an 11-month composite, a factor of seven difference is estimated between peak NOx concentrations in the city's industrial region and a rural background location under stable conditions. The radon-based scheme is evaluated against the Pasquil-Gifford "radiation" (PGR) scheme, and assigns pollutant concentrations more consistently between defined atmospheric stability states than the PGR scheme. Furthermore, the PGR scheme consistently underestimates all peak pollutant concentrations under stable conditions compared with the radon-based scheme, in some cases (e.g. CO in the industrial region) by 25%. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81872
Appears in Collections: 气候变化事实与影响
There are no files associated with this item.
作者单位: Institute for Environmental Research, ANSTO, Locked Bag 2001, Kirrawee DC, NSW, Australia; Laboratory for Climate Studies, National Climate Center, China Meteorological Administration, Beijing, China; Department of Civil and Environmental Engineering, Politecnico di Milano, Milan, Italy; Lanzhou Environmental Monitoring Center, Lanzhou, Gansu, China; Institute of Atmospheric Pollution Research, National Research Council, Monterotondo Stazione, Rome, Italy; Research Consortium CORAM, Pastorano, CE, Italy
Recommended Citation:
Chambers S,D,, Wang F,et al. Quantifying the influences of atmospheric stability on air pollution in Lanzhou, China, using a radon-based stability monitor[J]. Atmospheric Environment,2015-01-01,107