A case study of the single and size-resolved particles in roadway tunnel in Seoul, Korea

被引：14

作者：

Ma, CJ ^{[1
]}

Tohno, S ^{[1
]}

Kasahara, M ^{[1
]}

机构：

[1] Kyoto Univ, Grad Sch Energy Sci, Dept Socio Environm Energy Sci, Uji, Kyoto 6110011, Japan

来源：

ATMOSPHERIC ENVIRONMENT | 2004年 / 38卷 / 38期

关键词：

tunnel; individual particles; size-resolved particles; micro-PIXE;

D O I：

10.1016/j.atmosenv.2004.09.006

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Particle sampling was conducted at the center of Buk-Ak tunnel, which is one of heavily polluted tunnels in Seoul, in October 2000. The sampling equipments consist of a 2-stage filter pack sampler and an Andersen impactor sampler. Micro-particle induced X-ray emission (PIXE) was applied to determine the elemental composition of individual particles (> 1.2 mum). The thermal/optical reflectance (TOR(R)) method was also employed in analyzing of EC and OC. 3 Mass concentrations of fine and coarse particles are 177 and 40 mug m(-3,) respectively. The most important contributor to particle mass concentration in the present study is carbonaceous components. Most of the individual particles are found to be internally mixed with soil-derived and trace elemental components. (C) 2004 Elsevier Ltd. All rights reserved.

引用

页码：6673 / 6677

页数：5

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