A Pragmatic Mass Closure Model for Airborne Particulate Matter at Urban Background and Roadside Sites

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@article{63edb73bc02249cc81a2c41c0902e3f9,
title = "A Pragmatic Mass Closure Model for Airborne Particulate Matter at Urban Background and Roadside Sites",
abstract = "Twenty-four hour samples of airborne PM10 particulate matter have been collected as coarse and fine fractions using automated dichotomous samplers at four paired roadside and urban background locations in London and Birmingham, UK. The samples have been analysed for sulphate, nitrate, chloride, organic carbon, elemental carbon, iron and calcium and the data have been used to construct a simple model of aerosol chemistry. It is assumed initially that the major components are ammonium sulphate, ammonium nitrate, sodium chloride, elemental carbon, organic carbon and mineral dusts (for which iron and calcium are tracers). This leaves a small proportion of mass unaccounted for, which we attribute to strongly bound water. Increasing the ammonium sulphate and ammonium nitrate content by 29% allows 100% of mass to be accounted for with a high percentage of variance in 24h mass concentrations explained. (C) 2003 Elsevier Ltd. All rights reserved.",
keywords = "particulate matter, PM10, mass closure, PM2.5, urban aerosol, coarse fraction",
author = "Roy Harrison and Alan Jones and Royston Lawrence",
year = "2003",
month = nov
day = "1",
doi = "10.1016/j.atmosenv.2003.08.025",
language = "English",
volume = "37",
pages = "4927--4933",
journal = "Atmospheric Environment",
issn = "1352-2310",
publisher = "Elsevier",
number = "35",

}

RIS

TY - JOUR

T1 - A Pragmatic Mass Closure Model for Airborne Particulate Matter at Urban Background and Roadside Sites

AU - Harrison, Roy

AU - Jones, Alan

AU - Lawrence, Royston

PY - 2003/11/1

Y1 - 2003/11/1

N2 - Twenty-four hour samples of airborne PM10 particulate matter have been collected as coarse and fine fractions using automated dichotomous samplers at four paired roadside and urban background locations in London and Birmingham, UK. The samples have been analysed for sulphate, nitrate, chloride, organic carbon, elemental carbon, iron and calcium and the data have been used to construct a simple model of aerosol chemistry. It is assumed initially that the major components are ammonium sulphate, ammonium nitrate, sodium chloride, elemental carbon, organic carbon and mineral dusts (for which iron and calcium are tracers). This leaves a small proportion of mass unaccounted for, which we attribute to strongly bound water. Increasing the ammonium sulphate and ammonium nitrate content by 29% allows 100% of mass to be accounted for with a high percentage of variance in 24h mass concentrations explained. (C) 2003 Elsevier Ltd. All rights reserved.

AB - Twenty-four hour samples of airborne PM10 particulate matter have been collected as coarse and fine fractions using automated dichotomous samplers at four paired roadside and urban background locations in London and Birmingham, UK. The samples have been analysed for sulphate, nitrate, chloride, organic carbon, elemental carbon, iron and calcium and the data have been used to construct a simple model of aerosol chemistry. It is assumed initially that the major components are ammonium sulphate, ammonium nitrate, sodium chloride, elemental carbon, organic carbon and mineral dusts (for which iron and calcium are tracers). This leaves a small proportion of mass unaccounted for, which we attribute to strongly bound water. Increasing the ammonium sulphate and ammonium nitrate content by 29% allows 100% of mass to be accounted for with a high percentage of variance in 24h mass concentrations explained. (C) 2003 Elsevier Ltd. All rights reserved.

KW - particulate matter

KW - PM10

KW - mass closure

KW - PM2.5

KW - urban aerosol

KW - coarse fraction

UR - http://www.scopus.com/inward/record.url?scp=0141838570&partnerID=8YFLogxK

U2 - 10.1016/j.atmosenv.2003.08.025

DO - 10.1016/j.atmosenv.2003.08.025

M3 - Article

VL - 37

SP - 4927

EP - 4933

JO - Atmospheric Environment

JF - Atmospheric Environment

SN - 1352-2310

IS - 35

ER -