Characterisation and Source Attribution of the Semi-volatile Organic Content of Atmospheric Particles and Associated Vapour Phase in Birmingham, UK

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@article{2ae049eeffe74ead88c7535ba853d1b2,
title = "Characterisation and Source Attribution of the Semi-volatile Organic Content of Atmospheric Particles and Associated Vapour Phase in Birmingham, UK",
abstract = "Concentrations of n-alkanes, petroleum biomarkers such as hopanes and steranes, n-alkanoic acids, n-alkanols, polycyclic aromatic hydrocarbons (PAH), dicarboxylic acids, and selected oxygenated PAH were separately determined in total suspended particulate matter and associated vapour phase in ambient air in Birmingham, UK. Samples were taken simultaneously at two locations on 24 separate occasions every 1-2 weeks between August 1999 and August 2000. Site A was 10 m from a busy road, 800 m from site B that was located within the {"}green space{"} of the University of Birmingham campus. Despite some differences in concentrations of some compounds, data from this study is in line with that reported in London, UK and in California. Differences between Sites A and B in both concentrations and carbon preference indices are consistent with greater traffic inputs at Site A, with some evidence of an appreciable biogenic input of n-alkanols and n-alkanes at the less-traffic influenced and more vegetated Site B. The biogenic input at Site B appears greater in the spring and summer months and suggests that biogenic emissions are appreciable even in British urban areas. Secondary formation mechanisms for some compounds including dicarboxylic acids and oxygenated PAH like fluoren-9-one are indicated by the lack of any significant intersite difference in concentrations. Intersite differences in concentrations provide new evidence that while petroleum biomarkers arise predominantly from local traffic, regional as well as local sources play an important role for the higher molecular weight PAH which exist predominantly in the particle phase. (C) 2003 Elsevier Ltd. All rights reserved.",
keywords = "carbon preference indices (CPIs), n-alkanes, petroleum biomarkers, urban airborne particulate matter, polycyclic aromatic hydrocarbons (PAH)",
author = "Stuart Harrad and Suzanne Hassoun and {Callen Romero}, Maria and Roy Harrison",
year = "2003",
month = nov,
day = "1",
doi = "10.1016/j.atmosenv.2003.07.012",
language = "English",
volume = "37",
pages = "4985--4991",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier",
number = "35",

}

RIS

TY - JOUR

T1 - Characterisation and Source Attribution of the Semi-volatile Organic Content of Atmospheric Particles and Associated Vapour Phase in Birmingham, UK

AU - Harrad, Stuart

AU - Hassoun, Suzanne

AU - Callen Romero, Maria

AU - Harrison, Roy

PY - 2003/11/1

Y1 - 2003/11/1

N2 - Concentrations of n-alkanes, petroleum biomarkers such as hopanes and steranes, n-alkanoic acids, n-alkanols, polycyclic aromatic hydrocarbons (PAH), dicarboxylic acids, and selected oxygenated PAH were separately determined in total suspended particulate matter and associated vapour phase in ambient air in Birmingham, UK. Samples were taken simultaneously at two locations on 24 separate occasions every 1-2 weeks between August 1999 and August 2000. Site A was 10 m from a busy road, 800 m from site B that was located within the "green space" of the University of Birmingham campus. Despite some differences in concentrations of some compounds, data from this study is in line with that reported in London, UK and in California. Differences between Sites A and B in both concentrations and carbon preference indices are consistent with greater traffic inputs at Site A, with some evidence of an appreciable biogenic input of n-alkanols and n-alkanes at the less-traffic influenced and more vegetated Site B. The biogenic input at Site B appears greater in the spring and summer months and suggests that biogenic emissions are appreciable even in British urban areas. Secondary formation mechanisms for some compounds including dicarboxylic acids and oxygenated PAH like fluoren-9-one are indicated by the lack of any significant intersite difference in concentrations. Intersite differences in concentrations provide new evidence that while petroleum biomarkers arise predominantly from local traffic, regional as well as local sources play an important role for the higher molecular weight PAH which exist predominantly in the particle phase. (C) 2003 Elsevier Ltd. All rights reserved.

AB - Concentrations of n-alkanes, petroleum biomarkers such as hopanes and steranes, n-alkanoic acids, n-alkanols, polycyclic aromatic hydrocarbons (PAH), dicarboxylic acids, and selected oxygenated PAH were separately determined in total suspended particulate matter and associated vapour phase in ambient air in Birmingham, UK. Samples were taken simultaneously at two locations on 24 separate occasions every 1-2 weeks between August 1999 and August 2000. Site A was 10 m from a busy road, 800 m from site B that was located within the "green space" of the University of Birmingham campus. Despite some differences in concentrations of some compounds, data from this study is in line with that reported in London, UK and in California. Differences between Sites A and B in both concentrations and carbon preference indices are consistent with greater traffic inputs at Site A, with some evidence of an appreciable biogenic input of n-alkanols and n-alkanes at the less-traffic influenced and more vegetated Site B. The biogenic input at Site B appears greater in the spring and summer months and suggests that biogenic emissions are appreciable even in British urban areas. Secondary formation mechanisms for some compounds including dicarboxylic acids and oxygenated PAH like fluoren-9-one are indicated by the lack of any significant intersite difference in concentrations. Intersite differences in concentrations provide new evidence that while petroleum biomarkers arise predominantly from local traffic, regional as well as local sources play an important role for the higher molecular weight PAH which exist predominantly in the particle phase. (C) 2003 Elsevier Ltd. All rights reserved.

KW - carbon preference indices (CPIs)

KW - n-alkanes

KW - petroleum biomarkers

KW - urban airborne particulate matter

KW - polycyclic aromatic hydrocarbons (PAH)

UR - http://www.scopus.com/inward/record.url?scp=0012988204&partnerID=8YFLogxK

U2 - 10.1016/j.atmosenv.2003.07.012

DO - 10.1016/j.atmosenv.2003.07.012

M3 - Article

VL - 37

SP - 4985

EP - 4991

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

IS - 35

ER -