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A Study on the Source Apportionment of the Atmospheric Fine Particles in Jeju area
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 Title & Authors
A Study on the Source Apportionment of the Atmospheric Fine Particles in Jeju area
Hu, Chul-Goo; Yang, Su-Mi; Lee, Ki-Ho;
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Samples of size-fractionated PM10 (airborne particulate matter with aerodynamic diameter less than ) were collected at an urban site in Jeju city from May to September 2002. The mass concentration and chemical composition of the samples were measured. The data sets were then applied to the CMB receptor model to estimate the source contribution of PM10 in Jeju area. The average PM10 mass concentration was 28.80 (), and the FP (fine particle with aerodynamic diameter less than fraction in PM10 was approximately 8% higher than the CP (coarse particle with aerodynamic diameter greater than and less than fraction in PM10. The CP composition was obviously different from the FP composition, that is, the most abundant water soluble species was nitrate ion in the FP, but sulfate ion in the CP. Also sulfur was the most dominant element in the FP, however, sodium was that in the CP. From CMB receptor model results, it was found that road dust was the largest contributor to the CP mass concentration (45% of the CP) and ammonium nitrate, domestic boiler, and marine aerosol were major sources to the CP mass. However, the secondary aerosol was the most significant contributor to the FP mass concentration (45% of the FP). In this study, it was suggested that the contributions of soil dust and gasoline vehicle became very low due to collinearity with road dust and diesel vehicle, respectively.
PM10;Composition;Source apportionment;Chemical Mass balance(CMB);Jeju;
 Cited by
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