Journal of Korean Society for Atmospheric Environment (한국대기환경학회지)

Korean Society for Atmospheric Environment (한국대기환경학회)
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Measurement and Characterization of Atmospheric SF6 at Korea GAW Center in 2007

기후변화감시센터의 대기 중 2007년 육불화황 측정 결과 및 특성

  • Yoo, Hee-Jung (Korea Global Atmosphere Watch Center, Korea Meteorological Administration) ;
  • Kim, Jeong-Sik (Climate Policy Division, Korea Meteorological Administration) ;
  • Lee, Jeong-Soon (Korea Research Institute of Standards and Science) ;
  • Moon, Dong-Min (Korea Research Institute of Standards and Science) ;
  • Lee, Jin-Bok (Korea Research Institute of Standards and Science) ;
  • Kim, Jong-Ho (Department of Environmental Engineering, Hanseo University) ;
  • Kim, Sang-Hoon (Korea Global Atmosphere Watch Center, Korea Meteorological Administration) ;
  • Lee, Il-Yong (Korea Global Atmosphere Watch Center, Korea Meteorological Administration)
  • 유희정 (기상청 기후변화감시센터) ;
  • 김정식 (기상청 기후정책과) ;
  • 이정순 (한국표준과학연구원 대기환경표준센터) ;
  • 문동민 (한국표준과학연구원 대기환경표준센터) ;
  • 이진복 (한국표준과학연구원 대기환경표준센터) ;
  • 김종호 (한서대학교 환경공학과) ;
  • 김상훈 (기상청 기후변화감시센터) ;
  • 이일용 (기상청 기후변화감시센터)
  • Received : 2009.07.28
  • Accepted : 2010.12.01
  • Published : 2011.02.28
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Abstract

Korea Global Atmosphere Watch Center (KGAWC), which is located in Anmyeondo and, belongs to the Korea Meteorological Administration (KMA), measures sulfur hexafluoride ($SF_6$) in every hour since 2007. In this study, $SF_6$ observed in 2007 are discussed. A gas chromatograph-electron capture detector (GC-ECD) with pre-cooled device is applied during the observation, and produced data are qualified by means of periodic calibration with $SF_6$ standard gas made by Korea Research Institute of Standard and Science (KRISS). $SF_6$ has been greatly paid attention since Kyoto protocol because of its high global warming potential(GWP) with 22,200 times of $CO_2$ in the period of 100 years. It is a man-made compound and has been usually used for gas insulation since 1970s and for etching process in the information technology-based industry since 1990. Average mixing ratio of $SF_6$ in 2007 was 6.65 pmol/mol at Anmyeondo. According to the GAW report published in 2008, average mixing ratio of $SF_6$ in the atmosphere is continuously growing. At present, the average mixing ratio of $SF_6$ in the atmosphere is known to be approximately 6.25 pmol/mol at global observatory. $SF_6$ value in Anmyeondo shows 0.40 pmol/mol greater than that of the Mauna Loa observatory in 2007.

Keywords

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