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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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Characteristics of PM2.5 in Gyeongsan
using Statistical Analysis
Li, Kai Chao
Department of Environmental Engineering
Graduate School, Daegu University
Gyungbuk, Korea
Supervised by Prof. InJo, Hwang
(Abstract)
PM2.5 samples were collected at urban sampling sites in Gyeongsan. The sampling site in Gyeongsan was located on the roof of the College of Engineering Building at Daegu university in Gyeongsan, Korea. Samples were collected from morning to morning mostly every third day.
The PM2.5 mass concentrations respectively were 29.90 μg/m3, 25.20 μg/m3 and 23.75 μg/m3 in 2010, 2011, and 2012. The measured chemical constituents were carbonaceous species such as inorganic elements, ion elements and organic carbon (OC) elemental carbon (EC). Fe (0.38 μg/m3) was the highest of inorganic elements, NO3- 5.62 μg/m3, SO42- 4.74 μg/m3, NH4+ 2.86 μg/m3 was the relatively highest of ion elements and OC, EC each was 4.28 μg/m3, 1.26 μg/m3.
Results of factor analysis, four factor were qualitatively obtained, such as Biomass burning source (K, K+), secondary aerosol source (NH4+, SO42-, NO3-). soil source(Mg, Ca, Si, Al), industry source (Cr, Ni, Fe, Cu), incinerator source (Cl-, EC, OC) and mobile source (Zn).
Backward trajectories were calculated using Hybrid Single-particle Lagrangian Integrated Trajectory (HYSPLIT) 4 model and Potential Source Contribution Function (PSCF) model was applied to identify the possible source locations of carbonaceous species and Water soluble ions species. PSCF results showed that the possible source locations of most chemical constituents measured in Gyeongsan were the industrial areas in the eastern coast of China, Northeast regions of China and the Gobi Desert or east sea of korea.
using Statistical Analysis
Li, Kai Chao
Department of Environmental Engineering
Graduate School, Daegu University
Gyungbuk, Korea
Supervised by Prof. InJo, Hwang
(Abstract)
PM2.5 samples were collected at urban sampling sites in Gyeongsan. The sampling site in Gyeongsan was located on the roof of the College of Engineering Building at Daegu university in Gyeongsan, Korea. Samples were collected from morning to morning mostly every third day.
The PM2.5 mass concentrations respectively were 29.90 μg/m3, 25.20 μg/m3 and 23.75 μg/m3 in 2010, 2011, and 2012. The measured chemical constituents were carbonaceous species such as inorganic elements, ion elements and organic carbon (OC) elemental carbon (EC). Fe (0.38 μg/m3) was the highest of inorganic elements, NO3- 5.62 μg/m3, SO42- 4.74 μg/m3, NH4+ 2.86 μg/m3 was the relatively highest of ion elements and OC, EC each was 4.28 μg/m3, 1.26 μg/m3.
Results of factor analysis, four factor were qualitatively obtained, such as Biomass burning source (K, K+), secondary aerosol source (NH4+, SO42-, NO3-). soil source(Mg, Ca, Si, Al), industry source (Cr, Ni, Fe, Cu), incinerator source (Cl-, EC, OC) and mobile source (Zn).
Backward trajectories were calculated using Hybrid Single-particle Lagrangian Integrated Trajectory (HYSPLIT) 4 model and Potential Source Contribution Function (PSCF) model was applied to identify the possible source locations of carbonaceous species and Water soluble ions species. PSCF results showed that the possible source locations of most chemical constituents measured in Gyeongsan were the industrial areas in the eastern coast of China, Northeast regions of China and the Gobi Desert or east sea of korea.
목차
I. 서 론 1II. 이론적 배경 41. 다변량 통계분석 41) 상관분석 42) 인자분석 42. HYSPLIT 모델 63. PSCF 모델 8III. 실험 및 분석 방법 101. 연구 대상 지역 및 연구 기간 102. 시료채취 방법 163. 시료의 전처리 방법 174. 시료분석 방법 181) 무기원소 분석 182) 이온성분 분석 203) 탄소성분 분석 22IV. 결과 및 고찰 251. PM2.5 및 분석항목 농도 결과 251) PM2.5 농도 분포 252) 무기원소의 농도 분포 283) 이온성분의 농도 분포 314) 탄소성분의 농도 분포 322. 통계분석 351) 상관분석 352) 인자분석 373. 역궤적 분석 394. PSCF 모델에 의한 오염원 위치 추정 48V. 결론 55참고문헌 58Abstract 65
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