A noticeable shift in particulate matter levels after platform screen door installation in a Korean subway station

被引：96

作者：

Kim, Ki-Hyun ^{[1
]}

Ho, Duy Xuan ^{[1
]}

Jeon, Jae-Sik ^{[2
]}

Kim, Jo-Chun ^{[3
,4
]}

机构：

[1] Sejong Univ, Environm & Energy Dept, Seoul 143747, South Korea

[2] Seoul Metropolitan Res Inst Publ Hlth & Environm, Seoul 137734, South Korea

[3] Konkuk Univ, Dept Adv Technol Fus, Seoul 143701, South Korea

[4] Konkuk Univ, Dept Environm Engn, Seoul 143701, South Korea

来源：

ATMOSPHERIC ENVIRONMENT | 2012年 / 49卷

基金：

新加坡国家研究基金会;

关键词：

Metro; Underground; Subway; Particulate matter (PM); Platform screen door (PSD); STEEL DUST; PARTICLES; SEOUL; PM2.5; FINE; EXPOSURES; MANGANESE; CHROMIUM; LONDON; STREET;

D O I：

10.1016/j.atmosenv.2011.11.058

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The concentrations of PM10 and PM2.5 were measured continuously in both indoors and outdoors of the Seoul Metropolitan Subway network, Korea from Oct. 2007 to Apr. 2008. As the platform screen door (PSD) system was installed in the end of 2007 (8-16 Dec. 2007), these PM data were analyzed for the evaluation of its effectiveness on the control of PM levels. The results indicated that the mean PM10 concentration in the later period (after PSD installation) was significantly reduced by 16% relative to the earlier period. In contrast, in the case of PM2.5 distinctions were not statistically significant despite a 12% reduction (P < 0.05). The overall results of this study suggest that the installation of the PSD and ventilating system should have served as one of the important components for maintaining the air quality in the model subway system. (C) 2011 Elsevier Ltd. All rights reserved.

引用

页码：219 / 223

页数：5

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