PM10 emission factors for non-exhaust particles generated by road traffic in an urban street canyon and along a freeway in Switzerland

被引：237

作者：

Bukowiecki, N. ^{[1
,2
]}

Lienemann, P. ^{[2
]}

Hill, M. ^{[2
]}

Furger, M. ^{[1
]}

Richard, A. ^{[1
]}

Amato, F. ^{[3
]}

Prevot, A. S. H. ^{[1
]}

Baltensperger, U. ^{[1
]}

Buchmann, B. ^{[2
]}

Gehrig, R. ^{[2
]}

机构：

[1] Paul Scherrer Inst, Lab Atmospher Chem, CH-5232 Villigen, Switzerland

[2] Empa, Swiss Fed Labs Mat Testing & Res, CH-8600 Dubendorf, Switzerland

[3] CSIC, Inst Environm Assessment & Water Res, IDAEA, ES-08034 Barcelona, Spain

来源：

ATMOSPHERIC ENVIRONMENT | 2010年 / 44卷 / 19期

关键词：

Emission factors; Abrasion; PM; 10; Brake wear; Resuspension; PARTICULATE MATTER; TAILPIPE EMISSIONS; METAL EMISSIONS; TRACE-ELEMENTS; WEAR; SIZE; RESUSPENSION; DUST; STOCKHOLM; ANTIMONY;

D O I：

10.1016/j.atmosenv.2010.03.039

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Recent studies have shown clear contributions of non-exhaust emissions to the traffic related PM10 load of the ambient air. These emissions consist of particles produced by abrasion from brakes, road wear, tire wear, as well as vehicle induced resuspension of deposited road dust. The main scope of the presented work was to identify and quantify the non-exhaust fraction of traffic related PM10 for two roadside locations in Switzerland with different traffic regimes. The two investigated locations, an urban street canyon with heavily congested traffic and an interurban freeway, are considered as being typical for Central Europe. Mass-relevant contributions from abrasion particles and resuspended road dust mainly originated from particles in the size range 1-10 mu m. The results showed a major influence of vehicle induced resuspension of road dust. In the street canyon, the traffic related PM10 emissions (LDV: 24 +/- 8 mg km(-1) vehicle(-1), HDV: 498 +/- 86 mg km(-1) vehicle(-1)) were assigned to 21% brake wear, 38% resuspended road dust and 41% exhaust emissions. Along the freeway (LDV: 50 +/- 13 mg km(-1) vehicle(-1), HDV: 288 +/- 72 mg km(-1) vehicle(-1)), respective contributions were 3% brake wear, 56% resuspended road dust and 41% exhaust emissions. There was no indication for relevant contributions from tire wear and abrasion from undamaged pavements. (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2330 / 2340

页数：11

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