Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/28391
Title: Study of the PM10 concentration variations along two intra-urban roads within a compact city
Authors: Chau, CK
Pun-Cheng, LSC 
Ng, WY
Hui, WK
Keywords: Particulates
PM10
Air pollution
Regression models
Intra-urban roads
Issue Date: 2012
Publisher: Springer
Source: Environmental monitoring and assessment, 2012, v. 184, no. 6, p. 3943-3958 How to cite?
Journal: Environmental Monitoring and Assessment 
Abstract: Eighty-five measurement campaigns were performed repeatedly to compare the concentration variation profiles along two intra-urban roads-one with open configuration and the other with street canyon effect. Fixed-effects panel data analysis was applied for formulating a model to express the PM10 concentrations along intra-urban roads in terms of parameters like nearby central monitoring data, traffic counts and meteorological conditions with an objective to analyze the PM10 concentration variation patterns along the two roads. Our findings reveal that traffic intensity and metrological conditions exert influence on concentration variation for both types of road configurations while wind velocity only affect the pollutants removal effectiveness of open road configuration. Further analysis unveils that the PM10 concentration distribution profiles within a compact city environment are not always uniform and are dependent on the road configuration. Considerable PM10 concentration differences were observed along the street canyon, and 70% of their variations are attributed to variations in their road aspect ratios. By contrast, no significant concentration difference is observed at open road configurations.
URI: http://hdl.handle.net/10397/28391
ISSN: 0167-6369
DOI: 10.1007/s10661-011-2235-z
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