표제지
목차
Abstract 6
Ⅰ. 서론 7
Ⅱ. 연구내용 및 방법 9
1. 습성ㆍ건성강하물 시료 채취 9
2. 습성ㆍ건성강하물 성분분석 9
3. 산림통계 현황 조사 10
4. 수은 측정 11
Ⅲ. 연구결과 및 고찰 12
1. 습성강하물 12
가. 측정분석 정도관리 (QA/QC) 12
나. 강수의 화학적 특성 15
다. 습성강하물 이온성분 침적량 20
2. 건성강하물 23
가. 건성강하물 화학성분 23
나. 건성 및 습성침적량 산정 26
3. 산림통계 현황 33
가. 지역별 산림률 및 임상 33
나. 산림면적 및 임목축적 34
4. 수은 35
가. 측정분석 정도관리 (QA/QC) 35
나. 수은 농도 특성 36
Ⅳ. 결론 41
참고문헌 42
〈Table 1〉 Instrumental conditions for IC analysis 10
〈Table 2〉 Information of sampling sites 11
〈Table 3〉 The percentage of collected precipitation from total precipitation 14
〈Table 4〉 pH value of precipitation in this study 15
〈Table 5〉 Annual average concentration in precipitation 17
〈Table 6〉 Annual average concentration of major ions at each site 19
〈Table 7〉 Annual wet deposition amounts of major ions 21
〈Table 8〉 Annual wet deposition amounts of major ions at each site 22
〈Table 9〉 Summary of deposition velocity 28
〈Table 10〉 Wet and Dry deposition for 2005~2014.9 29
〈Table 11〉 Volume, Baseline, Baseline Deviation results of 2537A 35
〈Table 12〉 Summary of annual Hg concentration at 10 sampling Sites 37
〈Table 13〉 Comparison Hg concentration of this study with those of other prior researches 38
〈Table 14〉 Summary of monthly Hg concentration at 10 sampling Sites 40
〈Figure 1〉 Relationship between total cation and anion in precipitation 12
〈Figure 2〉 Relationship between the ECmeas and ECcal 13
〈Figure 3〉 Spatial distribution of pH & precipitation 16
〈Figure 4〉 Ionic composition of precipitation 17
〈Figure 5〉 Regional variation of ion species 18
〈Figure 6〉 Composition ratio of wet deposition 20
〈Figure 7〉 Relationship between total anion and cation 23
〈Figure 8〉 Monthly variation of PM2.5 mass&primary concentration 24
〈Figure 9〉 Monthly variation of chemical component in PM2.5 by site type 25
〈Figure 10〉 Monthly variation of PM2.5 mass concentration 25
〈Figure 11〉 Diurnal variation of hourly averaged deposition velocity 26
〈Figure 12〉 Monthly variation in Vd of SO2, HNO3, NO2, NH3 and aerosol 27
〈Figure 13〉 Contribution to atmospheric deposition 31
〈Figure 14〉 Sulfur(SO₂+SO₄²-) and nitrogen(HNO₃+NO₃+NH⁴+) total deposition(as S, N) 32
〈Figure 15〉 Forest coverage 33
〈Figure 16〉 Forest land area and Growing stock 34
〈Figure 17〉 Box plot of annual Hg concentration at 10 Sampling sites 36
〈Figure 18〉 Seasonal variations of daily average Hg concentration at 4 Sampling sites 39