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This study is to estimate source contribution by air pollutantion types (point, area, line) over Seoul metropolitan area. The Air Pollution Model (TAPM) and the highly resolved anthropogenic and biogenic gridded emissions (1 km×1 km) were applied to simulate SO₂, NO₂, O₃ and PM_(10) concentrations by seasons and contribution was estimated by their source types (point, area, line). The results showed that the simulated concentrations of secondary pollutant agreed well with observed values with an index of agreement (IOA) over 0.4, whereas IOAs over 0.3 were observed for most primary pollutants.
The contributions of each source types by seasons were similar. The point source contribution was the highest for SO₂ at medium level ranged from 55.1% to 61.5%. But the contribution from area source duringfor the spring and summer increased as the concentration level increased. The line source contribution was the highest for NO₂ at all levels ranged from 68.3% to 93.1%. The results indicate that SO₂ emissions should be mainly controlled from point source, as well as area source at higher level concentration. Also, NO₂ and PM_(10) from line source should be controlled.

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Abstract

1. 서론

2. 연구 및 방법

3. 결과 및 고찰

4. 오염원별 대기오염농도 기여도 평가

5. 결론

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UCI(KEPA) : I410-ECN-0101-2009-539-018170999