Traffic induced particle resuspension in Paris: Emission factors and source contributions

被引:93
作者
Amato, F. [1 ]
Favez, O. [2 ]
Pandolfi, M. [1 ]
Alastuey, A. [1 ]
Querol, X. [1 ]
Moukhtar, S. [3 ]
Bruge, B. [3 ]
Verlhac, S. [2 ]
Orza, J. A. G. [5 ]
Bonnaire, N. [4 ]
Le Priol, T. [6 ]
Petit, J-F [6 ]
Sciare, J. [4 ,7 ]
机构
[1] CSIC, Inst Environm Assessment & Water Res IDAEA, ES-08034 Barcelona, Spain
[2] INERIS, F-60550 Verneuil En Halatte, France
[3] Airparif, F-75004 Paris, France
[4] LSCE, F-91190 Gif Sur Yvette, France
[5] Univ Miguel Hernandez, Fis Aplicada, SCOLAb, Elche 03202, Spain
[6] CEREMA, Dter IdF, F-78890 Trappes, France
[7] Cyprus Inst, Energy Environm & Water Res Ctr, CY-2121 Nicosia, Cyprus
关键词
Road dust; Road salt; Wear; PMF; PM10; apportionment; Biomass; POSITIVE MATRIX FACTORIZATION; ROAD DUST EMISSIONS; FRACTIONATED TIRE PARTICLES; SPECIATION MONITOR ACSM; SURFACE MOISTURE MODEL; CELL-LINE A549; SOURCE APPORTIONMENT; PARTICULATE MATTER; CHEMICAL-COMPOSITION; MULTIWAVELENGTH AETHALOMETER;
D O I
10.1016/j.atmosenv.2016.01.022
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Gaining knowledge on the process of particle resuspension from urban paved roads is of particular importance considering the increasing relevance of this source in urban air quality management and the lack of basic information on emission factors and source contributions. In this study we performed extensive field measurements for the quantification of the emission factors from different types of road in the city of Paris, and investigated the causes of their variability and the contributions to the ambient air PM10 observed across one year at one traffic monitoring site in the ring road of Paris. Results show agreement between lower road dust loadings (RD10: 0.7-2.2 mg m(-2)) and emission factors (5.4-9.0 mg vehicle-1 km(-1)) at inner-roads of Paris, compared to the ring road (2.4 mg m(-2) and 17 mg vehicle-1 km(-1), respectively), where the two parameters are estimated independently. The higher values in the ring road were likely caused by the poor state of pavement and higher share of heavy duty vehicles. Road wear, brake wear and a carbonaceous source, were almost equally responsible for 96% of RD10. At the traffic monitoring site located at the ring road (220,000 vehicle/day), the contributions of road dust emissions were estimated by receptor modeling to be 13% of PM10 on an annual mean (63 mu g m(-3)), while the sum of vehicle exhaust and wear accounted for 47% resulting in a total traffic contribution of 60% of PM10. Road salting resulted to be a minor contributor (1% of annual mean) also in winter time (2%). (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:114 / 124
页数:11
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