Exposure to fine particle mass and number concentrations in urban transportation environments of New York City

被引：68
|
作者：
Wang, Xun [1 ]
Gao, H. Oliver [1 ]
机构：
[1] Cornell Univ, Sch Civil & Environm Engn, Ithaca, NY 14853 USA
来源：
TRANSPORTATION RESEARCH PART D-TRANSPORT AND ENVIRONMENT | 2011年 / 16卷 / 05期
关键词：
Travelers' exposure to PM pollution; Particle number concentration; Urban transportation environment; ULTRAFINE PARTICLES; PARTICULATE MATTER; PERSONAL EXPOSURE; COMMUTER EXPOSURE; CARBON-MONOXIDE; MICROENVIRONMENTS; DETERMINANTS; POLLUTION; INDOOR; LONDON;
D O I：
10.1016/j.trd.2011.03.001
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Travelers' real-time exposure to fine particles is assessed in terms of particle mass and number concentrations across various transportation-related micro-environments in New York City. Substantial spatial/temporal variations were observed in both the mass and number metrics of fine particles. Comparisons of exposure levels to fine particles across location categories reveals significant differences between particle mass and number concentration measurements; while the highest particle number concentration is on urban street sides, subway trains, with the lowest fine particle number concentration, has the second highest mass. Statistical analysis confirms this disparity. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：384 / 391
页数：8
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