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한라산 1100고지에서 채취한 대기 에어로졸 조성의 계절적 변화에 관한 연구
강창희,한지숙,김태행,김원형,박용이 濟州大學校 基礎科學硏究所 1997 基礎科學硏究 Vol.10 No.1
The atmospheric aerosols have been collected with aerosol sampler installed at 1100m site located at Halla mountain in Cheju island for about 124 days from August 15, 1996 to May 3, 1997, and their compositions have been analyzed in order to investigate the seasonal variation of aerosol compositions and the characteristics of aerosols. The correlation coefficients for the sum of the cation and anion equivalent concentrations showed the values between r=0.911 and r=0.977, and it has been found that the precision of the analytical data was with good satisfaction. The amounts of total suspended particulates(TSP) were in the range of 19.9∼28.6μg/㎥ with the highest concentrations in Spring season due to the yellow sand effect. The average concentrations of water-soluble cations were in the order of NH₄ +>Na+>Mg²+>K+>Ca²+ during the summer, fall and winter seasons, but NH₄+>Ca ²+>K+>Na+>Mg²+ during the spring season. The average concentrations of anions were in the order of SO₄->NO₃->Cl- for the all seasons. The concentrations of SO₄²- and NO₃- showed a high increase through winter and spring seasons due to the effect of the north-west wind, which were 5.95∼6.05μg/㎥ and 1.41∼1.60μg/㎥ respectively. And the Ca²+, the major component of soil, showed a high concentration value of 0.47μg/㎥ in yellow-sand spring season. In the effect of sea-salt with the enrichment factors, the SO₄²-, Ca²- and K+ were found to be flown to the air due to the other factors rather than sea-salt effect. And in the effect of soil with the enrichment factors, the SO₄²-, NO₃-, Cl- and NH₄+ were found to be introduced to the air through the other paths but the soil itself.