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기후변화감시센터의 대기 중 2007년 육불화황 측정 결과 및 특성
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  • 기후변화감시센터의 대기 중 2007년 육불화황 측정 결과 및 특성
저자명
유희정,김정식,이정순,문동민,이진복,김종호,김상훈,이일용,Yoo. Hee-Jung,Kim. Jeong-Sik,Lee. Jeong-Soon,Moon. Dong-Min,Lee. Jin-Bok,Kim. Jong-Ho,Kim. Sang-
간행물명
한국대기환경학회지
권/호정보
2011년|27권 1호|pp.1-15 (15 pages)
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한국대기환경학회
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
서지반출

기타언어초록

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.