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Ground-based measurements were conducted from August 25 to September 8 of 2011 for understandingcharacteristics of carbonaceous aerosols measured at Gosan. Chemical components and their sources werediscussed by analysis of organic compounds with identication of primary and secondary products in particulatematter. Thus, organic carbon (OC) and elemental carbon (EC) based on the carbonaceous thermal distribution(CTD), which provides detailed carbon signature characteristics relative to analytical temperature, was used toimprove the carbon fractionation of the analytical method. In addition, organic compounds by gas chromatographytechnique with the backward trajectories were discussed for characteristics of carbonaceous aerosols. Different air-masses were classied related to the OC thermal signatures and the organic molecular markers such as aromaticacids and PAHs. We concluded that the aging process was inuenced by the long-range transport from East Seaarea. Key words : Organic, Organic compounds, OC, EC

journal of korean society for atmospheric environment/han'gug dae'gi hwan'gyeong haghoeji

Characteristics of Carbonaceous Aerosols Measured at Gosan - Based on Analysis of Thermal Distribution by Carbon Analyzer and Organic Compounds by GCMS