Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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GHG-AP Integrated Sink/Emission Inventories and Environmental Value Analysis in Vegetation Sector of Seoul

서울시 식생부문 온실가스-대기오염 통합 흡수/배출량 인벤토리 및 환경가치분석

  • 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)
  • 정재형 (서울과학기술대학교 에너지환경공학과) ;
  • 권오열 (서울과학기술대학교 환경공학과)
  • Received : 2014.07.21
  • Accepted : 2015.01.21
  • Published : 2015.02.28
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Abstract

We constructed greenhouse gas (GHG) and air pollution (AP) integrated sink/emission inventories and evaluated the environmental value for the vegetation sector in Seoul during year 2010. The data of vegetation, classified into four sectors of cultivated land, forest land, park and street tree, were obtained from Statistics Korea and Seoul City. Based on the previous studies, only $CO_2$ was chosen as GHG sink by vegetation. $NO_2$ and $SO_2$ were chosen as AP sink by vegetation, while isoprene, monoterpene, other VOC (OVOC) and NH3 were chosen as AP emission from vegetation. Estimation methodology and sink/emission factors were gathered from reports and published literatures. Estimated GHG sink by vegetation during year 2010 was 12,987,173 $tonCO_{2eq}$, of which approximately 1/4 was from pure vegetation and the remaining 3/4 from vegetation soil. AP sink and emission were estimated to be 23,309 tonAP and 2,629,797 tonAP, respectively. The analysis by administrative districts in Seoul revealed that among 25 districts, Seocho-gu, Nowon-gu, Eunpyeong-gu, Gwanak-gu and Gangbuk-gu were the major districts in GHG and AP sink/emission inventories for vegetation sector. Environmental value of vegetation as a function of GHG and AP sink, was estimated as 800 billion won, corresponding to 5% of the total cost of the forest land in Korea evaluated as a public function.

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