표제지
목차
Abstract 7
Ⅰ. 서론 9
Ⅱ. 연구내용 및 방법 10
1. 연구 내용 10
가. 개요 10
나. 데이터 10
2. 연구 방법 11
가. 고농도 지역 판별 11
(1) 일반현황 11
(2) 대기오염도 11
(3) 반응성 11
나. 고농도 발생 원인 분석 12
(1) 기상 12
(2) 성분분석 12
(3) 배출량 12
(4) 배출원 추정 12
(5) 영향권 분석 13
Ⅲ. 연구결과 및 고찰 14
1. 고농도 지역 판별 14
가. 일반현황 14
나. 대기오염도 16
(1) 연도별 대기오염도 16
(2) 계절별 대기오염도 17
(3) 일 중 미세먼지 농도 변화 18
(4) 대기질 모델 결과 비교 20
다. 반응성 21
2. 고농도 발생 원인 분석 23
가. 기상 분석 23
(1) 일반 기상 현황 23
(2) 풍향별 농도 변화율 25
나. PM2.5 이온성분 분석 28
(1) PM2.5 이온성분 농도 28
(2) PM2.5 이온성분 구성비 28
다. 대기오염물질 배출량 31
라. 배출원 추정 34
마. 영향권 분석 39
(1) 상관성 분석 39
(2) PPI 분석 40
Ⅳ. 결론 45
참고문헌 47
〈Table 1〉 Summary of CMAQ model simulation conditions 11
〈Table 2〉 Summary of meteorological data in Chuncheon, Wonju and Gangneung in 2016 23
〈Table 3〉 Summary of seasonal meteorological data in Chuncheon, Wonju and Gangneung in 2016 24
〈Table 4〉 Changes in PM10 and PM2.5 concentration due to wind direction in Chuncheon, Wonju and Gangneung in 2016 26
〈Table 5〉 PM10 and PM2.5 emissions from charcoal kiln in nationwide 33
〈Table 6〉 Information of pollution Permeation Index(PPI) analysis 41
〈Figure 1〉 Locations and Types of air quality monitoring sites in Gangwon 10
〈Figure 2〉 Topographic map and contour graph of PM10(left) and PM2.5(right) concentration in Gangwon 14
〈Figure 3〉 (a) Population, (a) vehicles and (b) area by city in Gangwon, 2017 15
〈Figure 4〉 (a) Annual concentration of PM10 from 2008 to 2017, (b) Annua lconcentration of PM2.5 from 2015 to 2017 16
〈Figure 5〉 (a) Seasonal concentration of PM10, (b) Seasonal concentration of PM2.5 17
〈Figure 6〉 Diurnal variation of 3 year(2015~2017) averaged PM10 concentration by season 18
〈Figure 7〉 Diurnal variation of 3 year(2015~2017) averaged PM2.5 concentration by season 19
〈Figure 8〉 Comparison between estimated PM10 & PM2.5 concentration and measured PM10 & PM2.5 concentration in Gangwon 20
〈Figure 9〉 Box plot of NO₂ concentrations from 2015 to 2017 21
〈Figure 10〉 The average of NO₂/(NO₂+O₃) ratios by air monitoring site in Gangwon from 2015 to 2017 22
〈Figure 11〉 Ionic concentration of PM10 and PM2.5 by region and season 28
〈Figure 12〉 PM2.5 ionic component ratio in Chuncheon and Wonju 29
〈Figure 13〉 Seasonal of PM2.5 ionic component ratio in (a) Chuncheon, (b) Wonju 30
〈Figure 14〉 (a) SOx, NOx emissions by region, (b) PM10, PM2.5 emissions by region 32
〈Figure 15〉 PM10 and PM2.5 emissions by biomass burning in Chuncheon and Wonju 32
〈Figure 16〉 A charcoal kiln distribution and PM10, PM2.5 emissions per area 33
〈Figure 17〉 Locations of Myeongnyun-dong measureing station and nearby sources 34
〈Figure 18〉 Results of CPF modeling in the last 3 years('15~'17) about PM10 and PM2.5 (a) PM10(70~90‰) (b) PM10(90~100‰) (c) PM2.5(70~90‰) (d) PM2.5(90~100‰) 35
〈Figure 19〉 Seasonal results of CPF modeling during the last 3 years('15~'17) about PM10 (a) PM10(70~90‰) (b) PM10(90~100‰) 37
〈Figure 20〉 Seasonal results of CPF modeling during the last 3 years('15~'17) about PM2.5 (a) PM2.5(70~90‰) (b) PM2.5(90~100‰) 38
〈Figure 21〉 Results of correlation coefficient(R) analysis during last 3 years('15~'17) about PM10 and PM2.5 39
〈Figure 22〉 Target area and circum areas for Pollution Permeation Index(PPI) analysis 40
〈Figure 23〉 Pollution Permeation Index(PPI) of Wonju in the last 3 years('15~'17) 41
〈Figure 24〉 Monitored and estimated annual PM10 concentrations of target area(Wonju) and circum areas in the last 3 years('15~'17) 43
〈Figure 25〉 Monitored and estimated annual PM2.5 concentrations of target area(Wonju) and circum areas in the last 3 years('15~'17) 44