UM
Potential exposure to fine particulate matter (PM2.5) and black carbon on jogging trails in Macau
Ben Liu1; Mandy Minle He1; Cheng Wu2; Jinjian Li3; Ying Li4; Ngai Ting Lau3; Jian Zhen Yu3; Alexis K.H. Lau3; Jimmy C.H. Fung3; Ka In Hoi1; Kai Meng Mok1; Chak K. Chan5; Yong Jie Li1
2019-02-01
Source PublicationAtmospheric Environment
ISSN1352-2310
Volume198Pages:23-33
Abstract

The health effects of atmospheric particulate matter (PM) have become a major environmental concern in urban areas. Most PM studies are mainly designed to measure the “ambient” or “emitted” concentrations of PM. Some studies are specifically designed to address exposure to PM for pedestrians and/or commuters on-board vehicles or at bus stops, but less attention is paid to the exposure during physical exercise such as jogging. To this end, concentrations of both fine particulate matter (PM) and black carbon (BC) were measured along three jogging trails in the densely populated city Macau in China. The three jogging trails include the campus of University of Macau (UM), Guia Municipal Park (GP), and Saivan Lake (SL). In our measurements, PM and BC ranged from 2.9 to 84.1 and 0.4–19.5 μg/m³ respectively. BC/PM ratio ranged from 0.016 to 0.448. Among all three jogging trails, the highest BC concentration was found at SL (19.5 μg/m³), and the highest PM concentration was found at UM (84.1 μg/m³). On the contrary, the BC and PM concentrations at the elevated (about 50 m above sea level) GP trail were lower than those at the other two jogging trails. BC and PM concentrations were generally lower in the night loops (21:30–23:00) than those in the morning loops (07:30–09:00), which coincide with morning rush hours, with only a few exceptions. The difference in geographical locations also affects the BC and PM concentrations measured, with locations near bus terminals, busy roads, or with congested street canyons having higher concentrations. Doses of BC and PM after 60 min of exposure during typical jogging exercise are also estimated to evaluate the exposure to PM pollution at these three jogging trails when exercising. The results from the current studies provide information both on personal choice for the time/venue for jogging exercise and on future abatement policy to mitigate such risks of exposure to BC and PM.

KeywordBlack Carbon Exposure Jogging Pm2.5
DOIhttps://doi.org/10.1016/j.atmosenv.2018.10.024
URLView the original
Indexed BySCI
Language英语
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
WOS IDWOS:000455693900003
PublisherPERGAMON-ELSEVIER SCIENCE LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND
Fulltext Access
Citation statistics
Cited Times [WOS]:3   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorJinjian Li
Affiliation1.Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, Macau, China
2.Institute of Mass Spectrometer and Atmospheric Environment, Jinan University, Guangzhou, 510632, China
3.Division of Environment, Hong Kong University of Science and Technology, Hong Kong, China
4.Department of Ocean Science and Engineering, Southern University of Science and Technology, Shenzhen, China
5.School of Energy and Environment, City University of Hong Kong, Hong Kong, China
First Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Ben Liu,Mandy Minle He,Cheng Wu,et al. Potential exposure to fine particulate matter (PM2.5) and black carbon on jogging trails in Macau[J]. Atmospheric Environment,2019,198:23-33.
APA Ben Liu.,Mandy Minle He.,Cheng Wu.,Jinjian Li.,Ying Li.,...&Yong Jie Li.(2019).Potential exposure to fine particulate matter (PM2.5) and black carbon on jogging trails in Macau.Atmospheric Environment,198,23-33.
MLA Ben Liu,et al."Potential exposure to fine particulate matter (PM2.5) and black carbon on jogging trails in Macau".Atmospheric Environment 198(2019):23-33.
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