globalchange  > 气候变化事实与影响
DOI: 10.1016/j.atmosenv.2015.10.030
Scopus记录号: 2-s2.0-84944909823
论文题名:
Measuring and modeling air exchange rates inside taxi cabs in Los Angeles, California
作者: Shu S; , Yu N; , Wang Y; , Zhu Y
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 122
起始页码: 628
结束页码: 635
语种: 英语
英文关键词: Air exchange rate ; GEE model ; Occupational exposure ; Taxi driver ; Ventilation
Scopus关键词: Air ; Behavioral research ; Crashworthiness ; Finance ; Indoor air pollution ; Vehicles ; Ventilation ; Air exchange rates ; Estimating equations ; Gee models ; Indoor environment ; Occupational exposure ; Passenger vehicles ; Taxi drivers ; Traffic-related ; Taxicabs ; air quality ; atmospheric pollution ; flux measurement ; occupational exposure ; pollutant source ; public health ; traffic emission ; transport vehicle ; ventilation ; air and air related phenomena ; air conditioning ; air exchange rate ; air pollutant ; Article ; car ; car driving ; environmental parameters ; heating ; priority journal ; questionnaire ; smoking ; United States ; California ; Los Angeles [California] ; United States
Scopus学科分类: Environmental Science: Water Science and Technology ; Earth and Planetary Sciences: Earth-Surface Processes ; Environmental Science: Environmental Chemistry
英文摘要: Air exchange rates (AERs) have a direct impact on traffic-related air pollutant (TRAP) levels inside vehicles. Taxi drivers are occupationally exposed to TRAP on a daily basis, yet there is limited measurement of AERs in taxi cabs. To fill this gap, AERs were quantified in 22 representative Los Angeles taxi cabs including 10 Prius, 5 Crown Victoria, 3 Camry, 3 Caravan, and 1 Uplander under realistic driving (RD) conditions. To further study the impacts of window position and ventilation settings on taxi AERs, additional tests were conducted on 14 taxis with windows closed (WC) and on the other 8 taxis with not only windows closed but also medium fan speed (WC-MFS) under outdoor air mode. Under RD conditions, the AERs in all 22 cabs had a mean of 63 h-1 with a median of 38 h-1. Similar AERs were observed under WC condition when compared to those measured under RD condition. Under WC-MFS condition, AERs were significantly increased in all taxi cabs, when compared with those measured under RD condition. A General Estimating Equation (GEE) model was developed and the modeling results showed that vehicle model was a significant factor in determining the AERs in taxi cabs under RD condition. Driving speed and car age were positively associated with AERs but not statistically significant. Overall, AERs measured in taxi cabs were much higher than typical AERs people usually encounter in indoor environments such as homes, offices, and even regular passenger vehicles. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/81397
Appears in Collections:气候变化事实与影响

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作者单位: Department of Environmental Health Sciences, Fielding School of Public Health, University of California Los Angeles, Los Angeles, CA, United States; Center for Health Policy Research, University of California Los Angeles, Los Angeles, CA, United States

Recommended Citation:
Shu S,, Yu N,, Wang Y,et al. Measuring and modeling air exchange rates inside taxi cabs in Los Angeles, California[J]. Atmospheric Environment,2015-01-01,122
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