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http://dx.doi.org/10.5322/JESI.2015.24.3.303

Statistical Model Analysis of Urban Spatial Structures and Greenhouse Gas (GHG) - Air Pollution (AP) Integrated Emissions in Seoul  

Jung, Jaehyung (Department of Environmental Energy Engineering, Seoul National University of Science and Technology)
Kwon, O-Yul (Department of Environmental Engineering, Seoul National University of Science and Technology)
Publication Information
Journal of Environmental Science International / v.24, no.3, 2015 , pp. 303-316 More about this Journal
Abstract
The relationship between urban spatial structures and GHG-AP integrated emissions was investigated by statistically analyzing those from 25 administrative districts of Seoul. Urban spatial structures, of which data were obtained from Seoul statistics yearbook, were classified into five categories of city development, residence, environment, traffic and economy. They were further classified into 10 components of local area, population, number of households, residential area, forest area, park area, registered vehicles, road area, number of businesses and total local taxes. GHG-AP integrated emissions were estimated based on IPCC(intergovernmental panel on climate change) 2006 guidelines, guideline for government greenhouse inventories, EPA AP-42(compilation of air pollutant emission factors) and preliminary studies. The result of statistical analysis indicated that GHG-AP integrated emissions were significantly correlated with urban spatial structures. The correlation analysis results showed that registered vehicles for GHG (r=0.803, p<0.01), forest area for AP (r=0.996, p<0.01), and park area for AP (r=0.889, p<0.01) were highly significant. From the factor analysis, three groups such as city and traffic categories, economy category and environment category were identified to be the governing factors controlling GHG-AP emissions. The multiple regression analysis also represented that the most influencing factors on GHG-AP emissions were categories of traffic and environment. 25 administrative districts of Seoul were clustered into six groups, of which each has similar characteristics of urban spatial structures and GHG-AP integrated emissions.
Keywords
Greenhouse gas (GHG); Air pollution (AP); Urban spatial structure; Seoul; Statistical analysis;
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