표제지
목차
Abstract 7
Ⅰ. 서론 9
Ⅱ. 연구내용 및 방법 11
1. 측정지점 및 방법 11
가. 측정지점 11
나. 측정기간 11
다. 측정방법 12
2. 자료처리 14
Ⅲ. 연구결과 및 고찰 15
1. 미세먼지(PM2.5) 고농도 사례 발생 특징 15
2. 고농도 사례별 초미세먼지(PM1.0)의 주요성분 특징 19
가. 초미세먼지(PM1.0) 질량 및 주요성분 농도 19
나. 사례별 초미세먼지(PM1.0) 농도 및 조성 특성 21
1) 가을철 고농도 사례 21
2) 겨울철 고농도 사례 24
3) 봄철 고농도 사례 27
4) 여름철 고농도 사례 30
다. 유기입자의 산화(aging) 33
라. 항공관측을 이용한 서해상공의 초미세먼지(PM1.0) 주요성분 측정 34
Ⅳ. 결론 37
참고문헌 39
〈Table 1〉 Summary of PM10 concentration of each cities on North Eastern China 16
〈Table 2〉 Monthly variation of high concentration episode case during the measurement period 17
〈Table 3〉 Summary of PM concentration and reconstructed PM2.5 species 17
〈Table 4〉 Summary of the mass concentrations of PM1.0 and it's species 19
〈Table 5〉 Summary of the mass concentrations of PM1.0 species in Fall episode case 21
〈Table 6〉 Summary of the mass concentrations of PM1.0 species in Winter episode case 25
〈Table 7〉 Summary of the mass concentrations of PM1.0 species in Spring episode case 27
〈Table 8〉 Summary of the mass concentrations of PM1.0 species in Summer episode case 30
〈Figure 1〉 Schematic view of aerosol pre-sampling inlet system for ToF-AMS (ⓐ PM2.5 cyclone, ⓑ Critical orifice, ⓒ Pump, ⓓ Nafion dryer, ⓔ Critical orifice, ⓕ HEPA flter, ⓖ Atomizer (TSI), ⓗ Diffusion dryer, ⓘ SMPS (TSI),... 13
〈Figure 2〉 The number of high concentration episode during the last 5 years(left : PM10, right : PM2.5) 15
〈Figure 3〉 The average reconstructed chemical compositions and concentrations of PM2.5 on BN Island and Seoul site 18
〈Figure 4〉 Time series of PM1.0 mass concentrations and it's species((a) BN Island, (b) Seoul) 20
〈Figure 5〉 The average chemical composition of PM1.0 and average size-resolved distribution of PM1.0 species during the Fall episode((a, c) BN Island, (d, b) Seoul) 23
〈Figure 6〉 The average mass fraction of each OM component, the back trajectory analysis on 22 NOV, 2013 and OM/OC ratio of each site during the Fall episode((a) BN Island, (b) Seoul) 23
〈Figure 7〉 The average chemical composition of PM1.0 and average size-resolved distribution of PM1.0 species during the Winter episode((a, c) BN Island, (d, b) Seoul) 26
〈Figure 8〉 The average mass fraction of each OM component, the back trajectory analysis on 3 DEC, 2013 and OM/OC ratio of each site during the Winter episode((a) BN Island, (b) Seoul) 26
〈Figure 9〉 The average chemical composition of PM1.0 and average size-resolved distribution of PM1.0 species during the Spring episode((a, c) BN Island, (d, b) Seoul) 29
〈Figure 10〉 The average mass fraction of each OM component, the back trajectory analysis on 12 MAY, 2014 and OM/OC ratio of each site during the Spring episode((a) BN Island, (b) Seoul) 29
〈Figure 11〉 The average chemical composition of PM1.0 and average size-resolved distribution of PM1.0 species during the Summer episode((a, c) BN Island, (d, b) Seoul) 32
〈Figure 12〉 The average mass fraction of each OM component, the forward trajectory analysis on 3 JUL, 2014 and OM/OC ratio of each site during the Spring episode((a) BN Island, (b) Seoul) 32
〈Figure 13〉 f44 vs f43 plot for BN Island and Seoul 33
〈Figure 14〉 Pictures and schematic view of AMS measurement system by Aircraft 34
〈Figure 15〉 Time series of PM1.0 mass concentrations and it's species by Aircraft measurement 35
〈Figure 16〉 The van Krevelen diagram during aircraft measurement 36