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논문 기본 정보

자료유형
학술저널
저자정보
송정민 (제주대학교) 김기주 (제주대학교) 부준오 (제주대학교) 김원형 (제주대학교) 강창희 (제주대학교) S. Chambers (호주핵과학기술기구)
저널정보
한국대기환경학회 한국대기환경학회지(국문) 한국대기환경학회지 제34권 제2호
발행연도
2018.4
수록면
321 - 330 (10page)
DOI
10.5572/KOSAE.2018.34.2.321

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Concentrations of the atmospheric radon and gaseous pollutants were measured at the Gosan site on Jeju Island from 2010 to 2015, in order to observe their time-series variation characteristics and examine the concentration change related to the airflow transport pathways. Based on the realtime monitoring of the atmospheric radon and gaseous pollutants, the daily mean concentrations of radon (<SUP>222</SUP>Rn) and gaseous pollutants (SO₂, CO, O₃, NO<SUB>x</SUB>) were 2,400 mBq m<SUP>-3</SUP><SUP></SUP> and 1.3, 377.6, 41.1, 3.9 ppb, respectively. On monthly variations of radon, the mean concentration in October was the highest as 3,033 mBq m-3, almost twice as that in July (1,452 mBq m<SUP>-3</SUP>). The diurnal variation of radon concentration shows bimodal curves at early morning (around 7 a.m.) and near midnight, whereas its lowest concentration was recorded at around 3 p.m. Several gaseous pollutants (SO₂, CO, NO<SUB>x</SUB>) showed a similar seasonal variation with radon concentration as high in winter and low in summer, whereas the O₃ concentrations had a bit different seasonal trend. According to the cluster back trajectory analysis, the frequencies of airflow pathways moving from continental North China, East China, Japan and the East Sea, the Korean Peninsula, and North Pacific Ocean routes were 36, 37, 10, 13, and 4%, respectively. When the airflow were moved to Jeju Island from continental China, the concentrations of radon and gaseous pollutants were relatively high. On the other hand, when the airflows were moved from North Pacific Ocean and East Sea, their concentrations were much lower than those from continental China.

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Abstract
1. 서론
2. 연구 방법
3. 결과 및 고찰
4. 결론
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UCI(KEPA) : I410-ECN-0101-2018-539-002080085