DOI: 10.1016/j.atmosenv.2015.08.024
Scopus记录号: 2-s2.0-84951905407
论文题名: Emission factors of fine particles, carbonaceous aerosols and traces gases from road vehicles: Recent tests in an urban tunnel in the Pearl River Delta, China
作者: Zhang Y ; , Wang X ; , Li G ; , Yang W ; , Huang Z ; , Zhang Z ; , Huang X ; , Deng W ; , Liu T ; , Huang Z ; , Zhang Z
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 122 起始页码: 876
结束页码: 884
语种: 英语
英文关键词: Carbonaceous aerosols
; Emission factors (EFs)
; Fine particles
; Motor vehicles
; Trace gases
; Tunnel study
Scopus关键词: Aerosols
; Air quality
; Amphibious vehicles
; Gases
; Ionization of gases
; Liquefied petroleum gas
; Organic carbon
; River pollution
; Roads and streets
; Transportation
; Vehicles
; Volatile organic compounds
; Carbonaceous aerosol
; Emission factors
; Fine particles
; Motor vehicle
; Trace-gases
; Fleet operations
; carbon
; carbon dioxide
; carbon monoxide
; gasoline
; organic carbon
; ozone
; petroleum derivative
; sulfur dioxide
; volatile organic compound
; aerosol composition
; air quality
; anemometer
; carbon monoxide
; carbonaceous chondrite
; eddy covariance
; liquefied petroleum gas
; nitrogen oxides
; organic carbon
; trace gas
; traffic emission
; tunnel
; urban area
; aerosol
; air pollutant
; air quality
; anemometer
; Article
; China
; Eddy covariance
; exhaust gas
; motor vehicle
; particle size
; particulate matter
; priority journal
; wind
; China
; Guangdong
; Guangzhou
; Zhujiang Delta
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: Motor vehicles contribute primarily and secondarily to air quality problems due to fine particle (PM2.5) and ozone (O3) pollution in China's megacities. Characterizing vehicle emission with the rapid change of vehicle numbers and fleet compositions is vital for both bottom-up emission survey and top-down source apportioning. To obtain emission factors (EFs) of PM2.5, carbonaceous aerosols and trace gases for road vehicles, in urban Guangzhou we conducted a field campaign in 2014 in the Zhujiang Tunnel, a heavily burdened tunnel with about 40,000 motor vehicles passing through each of its two separated bores per day. PM2.5 and volatile organic compounds (VOCs) were sampled for offline analysis while trace gases including SO2, NOx and CO were measured online and in situ. An eddy covariance system with an integrated 3-D sonic anemometer was also adopted to measure CO2 and winds inside the tunnel. We recorded an average fleet composition of 61% light-duty gasoline vehicles (LDVs) + 12% heavy-duty diesel vehicles (HDVs) + 27% liquefied petroleum gas vehicles (LPGVs), and EFs of 82.7 ± 28.3, 19.3 ± 4.7 and 13.3 ± 3.3 mg veh-1 km-1, respectively, for PM2.5, organic carbon (OC) and elemental carbon (EC). These EFs were respectively 23.4%, 18.3% and 72.3% lower when compared to that measured in the same tunnel in 2004. EFs of PM2.5, OC and EC were higher at night time (148 ± 126, 29 ± 24 and 21 ± 18 mg veh-1 km-1, respectively) due to significantly elevated fractions of HDVs in the traffic fleets. An average ratio of OC to EC 1.45 from this tunnel study was much higher than that of ~0.5 in previous tunnel studies. The EFs of SO2, NOx, CO, CO2 and NMHCs for road traffic were also obtained from our tunnel tests, and they were 20.7 ± 2.9, (1.29 ± 0.2)E+03, (3.10 ± 0.68)E+03, (3.90 ± 0.49)E+05, and 448 ± 39 mg veh-1 km-1, respectively. © 2015 Elsevier Ltd. Citation statistics:
资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81462
Appears in Collections: 气候变化事实与影响
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作者单位: Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China; University of Chinese Academy of Sciences, Beijing, China; Guangzhou Environmental Monitoring Center, Guangzhou, China; Guangzhou Research Institute of Environmental Protection, Guangzhou, China
Recommended Citation:
Zhang Y,, Wang X,, Li G,et al. Emission factors of fine particles, carbonaceous aerosols and traces gases from road vehicles: Recent tests in an urban tunnel in the Pearl River Delta, China[J]. Atmospheric Environment,2015-01-01,122