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Title: Source apportionments and characteristics of VOCs from 2005 to 2010 in Hong Kong
Authors: Feng, X
Peng, K
Ling, Z
Zheng, J
Guo, H 
Keywords: CMB
Hong Kong
Source apportionment
Issue Date: 2013
Publisher: 科学出版社
Source: 环境科学学报 (Acta Scientiae Circumstantiae), 2013, v. 33, no. 1, p. 173-180 How to cite?
Journal: 环境科学学报 (Acta Scientiae Circumstantiae) 
Abstract: The real-time VOC species data from 2005 to 2010 were used as inputs for CMB and UNMIX models to identify the sources of VOCs in Hong Kong. Annual and seasonal variations of major VOCs sources were characterized based upon the source apportionment results. The results showed that solvent usage, vehicle emissions and LPG were the major VOCs sources in Hong Kong. The vehicle emission presented an overall increasing trend in VOCs source contribution while the solvent usage decreased, and the biogenic emission kept stable during the study period. In term of seasonal characteristics, the contributions from solvent usage, vehicle emission and LPG sources in winter were much higher than those in summer, whereas biogenic emission showed higher contribution in summer. The discrepancies among source apportionment results from two receptor models were found, indicating that it is important to explore results from different source apportionment models in order to increase the reliability of source characterization.
ISSN: 0253-2468
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