[표지] 1
목차 2
Abstract 7
I. 서론 9
II. 연구내용 및 방법 12
1. 연구내용 12
가. 연차별 연구내용 12
나. 당해연도 세부내용 12
2. 조사지점 및 특성 조사 13
가. 조사지점 13
나. 조사지점 특성 조사 14
3. 시료채취 및 분석방법 14
가. 강우 시료 채취 14
나. 시료 분석 16
III. 연구결과 및 고찰 17
1. 강우 중 미세플라스틱의 시·공간 분포 실태 17
가. 조사지점별, 계절별 분포 17
나. 조사지점 특성별 분포 21
2. 계절에 따른 미세플라스틱 유입특성 25
가. 습식침적 및 총침적 25
나. 계절에 따른 미세플라스틱 조성 변화 26
다. 계절에 따른 미세플라스틱 크기 변화 27
3. 강우특성에 따른 미세플라스틱 유입 특성 조사 28
가. 강우 사상별 미세플라스틱 유입량 28
나. 미세플라스틱 크기 및 모양 변화 30
IV. 결론 32
참고문헌 35
부록 39
〈Table 1〉 Detailed location and azimuth coordinates of survey points 13
〈Table 2〉 Classification by sampling point 14
〈Table 3〉 Microplastic concentration during rainfall 17
〈Table 4〉 Microplastic shape during rainfall by season 18
〈Table 5〉 Microplastic shape during rainfall by sampling point characteristics 21
〈Table 6〉 Rainfall characteristics, microplastic deposition and deposition rate by rainfall event 29
〈Figure 1〉 Filtration, decomposition of organic matter, refilteration and analysis using FT-IR 16
〈Figure 2〉 Number of microplastics deposition in rainfall per unit area 18
〈Figure 3〉 Amount of microplastics during rainfall classified by season 18
〈Figure 4〉 Land use within a 1 km radius of major contaminated areas 20
〈Figure 5〉 Wind movement trajectory at Jeju island point(April, June) 21
〈Figure 6〉 Amount of microplastics during rainfall classified by sampling point characteristics 22
〈Figure 7〉 Comparison of microplastic materials by sampling point characteristic and season 23
〈Figure 8〉 Comparison of microplastic concentration by sampling point characteristic... 24
〈Figure 9〉 Comparison of population and number of cars per area, industrial... 24
〈Figure 10〉 The number of microplastics over time 25
〈Figure 11〉 Changes in microplastics composition over time 26
〈Figure 12〉 Changes in microplastics size over time 27
〈Figure 13〉 Change in the size of microplastics introduced over time 28
〈Figure 14〉 The cumulative amount and rainfall of microplastics by time of initial rainfall 29
〈Figure 15〉 Change in microplastic deposition rate over time 30
〈Figure 16〉 Microplastic size distribution changes by Initial rainfall time 31
〈Figure 17〉 Microplastic shape distribution change by time of initial rainfall 31
부록목차 6
〈부록 1〉 Report on microplastics flow through the atmosphere and the behavior of microplastics through rainfall and dust in cities 39
〈부록 2〉 Statistical data on microplastics contamination 42
〈부록 3〉 A: Location of rainwater collecting equipment; B: Automatic rainwater... 43
〈부록 4〉 FT-IR spectrums of samples(blue line) and references(red line) 44
〈부록 5〉 Distribution of microplastics in rainfall by point 45
〈부록 6〉 Distribution of microplastics in rainfall by city and season 47
〈부록 7〉 Distribution of microplastics in rainfall by season of urban classification 48
〈부록 8〉 Distribution of microplastic inflow over time(wet deposition and total deposition) 49
〈부록 9〉 Rainfall characteristics, microplastic deposition and deposition rate by rainfall event 50