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Received November 11, 2008
Accepted June 11, 2009
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This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits
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A GIS-based national emission inventory of major VOCs and risk assessment modeling: Part I - methodology and spatial pattern of emissions
School of Chemical and Biological Engineering, Seoul National University, San 56-1, Sillim-9-dong, Gwanak-gu, Seoul 151-742, Korea 1TO21, Lotte Tower 402-Ho, Sindaebang 2-dong, Dongjak-gu, Seoul 156-711, Korea 2National Institute of Environmental Research, Environment Research Complex, Gyeongseo-dong, Seo-gu, Incheon 404-170, Korea
Korean Journal of Chemical Engineering, January 2010, 27(1), 129-138(10), 10.1007/s11814-009-0307-3
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Abstract
This paper presents a method for assessing and managing the South Korean atmospheric emission inventory of volatile organic compounds (VOCs) based on a geographic information system (GIS). The use of this GIS-based assessment technique makes it possible to obtain the geographical characteristics of anthropogenic emission sources, observe spatial patterns within the emission inventory, and develop a new bottom-up method for improving the spatial accuracy of emission inventories. As a case study, we estimated the emission rates of five major VOCs (benzene, ethylbenzene, styrene, toluene, and xylene) throughout South Korea for the year 2004. The spatial pattern of emissions and relative contributions of various sources showed considerable spatial variability. A comparison of estimated emissions data and observed environmental concentration revealed a reasonable degree of accuracy for the estimated values. The proposed methodologies and information provided in this study can assist in the development of environmental policy, and can be adopted internationally to obtain a more precise emission inventory.
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ESTsoft webpage, http://www.estsoft.com
National Geographic Information Institute webpage, http://www.ngi.go.kr
Korea Transport Database webpage, http://www.ktdb.go.kr
Traffic Monitoring System webpage, http://www.road.re.kr
National Transport Information Center webpage, http://road.moct.go.kr
Seoul Expressway Traffic Information webpage, http://www.smartway.seoul.kr/english/index.html
Seoul Beltway webpage, http://www.seoulbeltway.co.kr
Korea Railroad webpage, http://www.korail.com
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Korea Oil Station Association webpage: http://www.ikosa.or.kr
Crop Protection Information Center webpage, http://www.koreacpa.org
Rural Development Administration webpage, http://www.rda.go.kr
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