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A Comparative Study for Estimation of Greenhouse Gas for Local Government`s Sustainable Transport  

Yu, Byeong-Yong (부경대학교 공간정보시스템공학과)
Bae, Sang-Hun (부경대학교 공간정보시스템공학과)
Han, Sang-Yong (동서대학교 국제학부)
Kim, Geon-Yeong (한국교통연구원 교통경제연구센터)
Publication Information
Journal of Korean Society of Transportation / v.29, no.5, 2011 , pp. 55-65 More about this Journal
Abstract
In effort to estimate sustainability of the transportation sector, this study conducts a comparative analysis of methodology suggested for measuring greenhouse gas emission. There are two approaches proposed by the UN IPCC: 1) top-down approach (TDA) based on the amount oil sales, and 2) bottom-up approach (BUA) utilizing the velocity of moving source and traffic volume data. The subject areas for analysis were selected based on research results by the Korea Transportation Institute that evaluate traffic sustainability of each local government. Gwacheon-si being one of the top ranked areas in sustainability, and Anseong-si being ranked at the 7th level were analyzed. By the tier 1 methodology, Gwacheon-si and Anseong-si are estimated to create 74,813ton/yr, and 584,125ton/yr of the greenhouse gas emission, respectively. The tier 3 methodology, however, estimates Gwacheon-si and Anseong-si to create 91,462ton/yr, and 163,801ton/yr of the emission, respectively. Comparison of the two estimated emissions shows considerable differences; i.e., the tier 3 method over estimates Gwacheon-si's emission by 22.3% whereas it underestimates Anseong-si's greenhouse gas emission by the factor of about 3.5 compared to the emissions obtained from the tier 1 method. The result from this study implies that the traffic-sustainability-index based grade of each local government can be evaluated differently by the method adopted for measuring greenhouse gas emission.
Keywords
Sustainable Transport; Greenhouse Gas Emissions; Top-down Approach; Bottom-up Approach; Emission Factor;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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