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http://dx.doi.org/10.5806/AST.2008.21.1.009

Distribution of CO2 produced from fossil fuel by accelerator mass spectrometry: in Daejeon  

Park, Junghun (Korea Institute of Geoscience and Mineral Resources)
Hong, Wan (Korea Institute of Geoscience and Mineral Resources)
Park, Ji Youn (Korea Institute of Geoscience and Mineral Resources)
Sung, Ki Seok (Korea Institute of Geoscience and Mineral Resources)
Eum, Chul-Hun (Korea Institute of Geoscience and Mineral Resources)
Publication Information
Analytical Science and Technology / v.21, no.1, 2008 , pp. 9-13 More about this Journal
Abstract
We have collected a batch of leaf samples at several main crossroads in Daejeon and a background site to obtain distribution of $CO_2$ (greenhouse gas) due to fossil fuel combustion. The leaf samples were treated with AAA method and ${\Delta}^{14}C$ values of them were measured using AMS. ${\Delta}^{14}C$ values of downtown sites were found to be lower by 27-102 ‰ than that of the background site, and the ratio of $CO_2$ originated from fossil fuel combustion in the atmosphere of Daejeon could be calculated from the differences of ${\Delta}^{14}C$ values. The average ${\Delta}^{14}C$ of the background site, around Kyeryong mountain, was measured to be $35{\pm}8$ ‰, and this value is lower than 66.3 ‰, which have been known as the backgdound values in USA.
Keywords
AMS; Greenhouse gas; $CO_2$; $^{14}C$; fossil fuel;
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