globalchange  > 气候变化事实与影响
DOI: 10.1016/j.atmosenv.2015.04.025
Scopus记录号: 2-s2.0-84927584400
论文题名:
Determinants of spikes in ultrafine particle concentration whilst commuting by bus
作者: Lim S; , Dirks K; N; , Salmond J; A; , Xie S
刊名: Atmospheric Environment
ISSN: 0168-2563
EISSN: 1573-515X
出版年: 2015
卷: 112
起始页码: 1
结束页码: 8
语种: 英语
英文关键词: Buses ; Commuter concentration ; Concentration spikes ; Public transport ; Ultrafine particles
Scopus关键词: Geographic information systems ; Land use ; High resolution ; Mean concentrations ; Public transport ; Spatial and temporal variability ; Traffic densities ; Traffic light ; Ultrafine particle ; Urban morphology ; Buses ; carbon monoxide ; bus transport ; concentration (composition) ; GIS ; particle size ; public transport ; spatiotemporal analysis ; traffic congestion ; urban design ; air conditioning ; air pollutant ; air quality ; Article ; building ; concentration (parameters) ; exhaust gas ; land use ; motor vehicle ; New Zealand ; particulate matter ; priority journal ; spike ; travel ; urban area ; velocity ; Auckland ; New Zealand ; North Island
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: This paper examines concentration of ultrafine particles (UFPs) based on data collected using high-resolution UFP monitors whilst travelling by bus during rush hour along three different urban routes in Auckland, New Zealand. The factors influencing in-bus UFP concentration were assessed using a combination of spatial, statistical and GIS analysis techniques to determine both spatial and temporal variability. Results from 68 bus trips showed that concentrations varied more within a route than between on a given day, despite differences in urban morphology, land use and traffic densities between routes. A number of trips were characterised by periods of very rapid increases in UFPs (concentration 'spikes'), followed by slow declines. Trips which recorded at least one spike (an increase of greater than 10,000pt/cm3) resulted in significantly higher mean concentrations. Spikes in UFPs were significantly more likely to occur when travelling at low speeds and when passengers were alighting and boarding at bus stops close to traffic light intersections. © 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/81722
Appears in Collections:气候变化事实与影响

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作者单位: School of Environment, Faculty of Science, University of Auckland, Auckland, New Zealand; School of Population Health, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand; Auckland Council, Auckland, New Zealand

Recommended Citation:
Lim S,, Dirks K,N,et al. Determinants of spikes in ultrafine particle concentration whilst commuting by bus[J]. Atmospheric Environment,2015-01-01,112
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