Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/27542
Title: Developing air pollutant profiles using routine monitoring data in road tunnels : a note
Authors: Mak, KL
Hung, WT 
Keywords: Air pollutant profiles
Car floating technique
Tunnel measurement
Vehicle emissions
Issue Date: 2008
Publisher: Pergamon Press
Source: Transportation research. Part D, Transport and environment, 2008, v. 13, no. 6, p. 404-411 How to cite?
Journal: Transportation research. Part D, Transport and environment 
Abstract: A methodology is developed to convert gaseous pollutant concentrations collected at fixed monitoring points in tunnels to continuous concentration profiles. An instrumented car driven through a road tunnel is used to collect instantaneous vehicular exhaust concentration data. Regression analysis is used to compare the data obtained at fixed points in the tunnel in the same periods of time. It was found that the two sets of data were strongly correlated based on the relative slopes of the pollutant concentration profiles. There is also clustering by traffic volume.
URI: http://hdl.handle.net/10397/27542
ISSN: 1361-9209
DOI: 10.1016/j.trd.2008.06.004
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