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http://dx.doi.org/10.5572/KOSAE.2011.27.1.001

Measurement and Characterization of Atmospheric SF6 at Korea GAW Center in 2007  

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)
Publication Information
Journal of Korean Society for Atmospheric Environment / v.27, no.1, 2011 , pp. 1-15 More about this Journal
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
Sulfur hexafluoride; KGAWC; GWP; Greenhouse gas; Background;
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Times Cited By KSCI : 3  (Citation Analysis)
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