Emission factors from road dust resuspension in a Mediterranean freeway

被引：63

作者：

Amato, F. ^{[1
]}

Karanasiou, A. ^{[2
]}

Moreno, T. ^{[2
]}

Alastuey, A. ^{[2
]}

Orza, J. A. G. ^{[3
]}

Lumbreras, J. ^{[4
]}

Borge, R. ^{[4
]}

Boldo, E. ^{[5
]}

Linares, C. ^{[5
]}

Querol, X. ^{[2
]}

机构：

[1] TNO, Dept Climate Air & Sustainabil, NL-3508 TA Utrecht, Netherlands

[2] Spanish Res Council CSIC, Inst Environm Assessment & Water Res IDAEA, Barcelona 08034, Spain

[3] Univ Miguel Hernandez, SCOLAb, Elche 03202, Spain

[4] Univ Politecn Madrid, Escuela Tecn Super Ingn Ind, Dept Ingn Quim Ind & Medio Ambiente, E-28006 Madrid, Spain

[5] Carlos III Inst Hlth, Natl Ctr Epidemiol, Madrid, Spain

来源：

ATMOSPHERIC ENVIRONMENT | 2012年 / 61卷

关键词：

PM10 Brake metals; Organic carbon; Elemental carbon; Mineral dust; Deposition flux; Traffic; ESTIMATING PM10 EMISSIONS; ISCHEMIC-HEART-DISEASE; ULTRAFINE METALS; RUNOFF QUALITY; FACTOR MODELS; AP-42; MODEL; VALLEY; SIZE; PARTICLES; CRITIQUE;

D O I：

10.1016/j.atmosenv.2012.07.065

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Particulate matter emissions from paved roads are currently one of the main challenges for a sustainable transport in Europe. Emissions are scarcely estimated due to the lack of knowledge about the resuspension process severely hampering a reliable simulation of PM and heavy metals concentrations in large cities and evaluation of population exposure. In this study the Emission Factors from road dust resuspension on a Mediterranean freeway were estimated per single vehicle category and PM component (OC, EC, mineral dust and metals) by means of the deployment of vertical profiles of passive samplers and terminal concentration estimate. The estimated PM10 emission factors varied from 12 to 47 mg VKT-1 (VKT: Vehicle Kilometer Traveled) with an average value of 22.7 +/- 14.2 mg VKT-1. Emission Factors for heavy and light duty vehicles, passenger cars and motorbikes were estimated, based on average fleet composition and EPA ratios, in 187-733 mg VKT-1, 33-131 VKT-1, 9.4-36.9 VKT-1 and 0.8-3.3 VKT-1, respectively. These range of values are lower than previous estimates in Mediterranean urban roads, probably due to the lower dust reservoir on freeways. PM emitted material was dominated by mineral dust (9-10 mg VKT-1), but also OC and EC were found to be major components and approximately 14 -25% and 2-9% of average PM exhaust emissions from diesel passenger cars on highways respectively. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：580 / 587

页数：8

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