표제지
목차
Abstract 9
I. 서론 11
II. 연구내용 및 방법 14
1. 강우기 농도변화분석을 통한 유출경향 확인 14
가. 강우기 시료 채취 14
나. 일반항목분석 14
다. 자연유래 난분해성물질 분석 15
2. 기원연구를 위한 안정동위원소비 분석 17
가. 시료의 전처리 및 대푯값 시료 전처리 17
나. 안정동위원소비 분석 17
다. 기여율 산출 18
3. 산림유래 난분해성물질의 거동평가 18
가. 유역모델의 구축 18
나. 유역모델의 보정 및 모의 결과 검증 19
다. 산림유래 난분해성물질의 부하량 산출 및 유역모델 구동 20
III. 연구결과 및 고찰 21
1. 강우기 농도변화분석을 통한 유출경향 확인 21
가. 일반항목분석결과 21
나. 자연유래 난분해성물질 분석결과 29
2. 기원연구를 위한 안정동위원소비 분석결과 32
가. 대푯값 시료의 형광분석결과 32
나. 안정동위원소비를 이용한 난분해성물질의 기여율 32
3. 산림유래 난분해성물질의 거동평가 35
가. 유역모델의 구축 35
나. 유역모델의 보정 및 모의 결과 검증 41
다. 산림유래 난분해성물질의 부하량 43
IV. 결론 48
참고문헌 50
부록 54
목차 55
〈Appendix 1〉 Variation of fluorescence EEMs in Juwon upstream (upper) and downstream (lower) during the first rain event.... 56
〈Appendix 2〉 Variation of fluorescence EEMs in Juwon upstream (upper) and... 57
〈Appendix 3〉 Variation of fluorescence EEMs in Pumgok upstream (upper) and... 58
〈Appendix 4〉 Variation of fluorescence EEMs in Pumgok upstream (upper) and downstream (lower) during the second rain event.... 59
〈Appendix 5〉 Variation of fluorescence EEMs for endmember extraction samples from Juwon stream in March.... 60
〈Appendix 6〉 Variation of fluorescence EEMs for endmember extraction samples from Pumgok stream in March.... 61
〈Appendix 7〉 Variation of fluorescence EEMs for endmember extraction samples from Juwon stream in June.... 62
〈Appendix 8〉 Variation of fluorescence EEMs for endmember extraction samples from Pumgok stream in June.... 63
〈Appendix 9〉 Variation of fluorescence EEMs for endmember extraction samples from Juwon stream in September.... 64
〈Appendix 10〉 Variation of fluorescence EEMs for endmember extraction samples from Pumgok stream in September.... 65
〈Table 1〉 Structures and functions of representative watershed models 12
〈Table 2〉 Water quality analysis methods 15
〈Table 3〉 Organic fractions of the DOC 16
〈Table 4〉 Evaluation values of model prediction 20
〈Table 5〉 Model input data required for watershed model (STREAM) 36
〈Table 6〉 Calibration results of discharge, TOC, LDOC, RDOC in Juwon stream 42
〈Table 7〉 Calibration results of discharge, TOC, LDOC, RDOC in Pumgok stream 43
〈Table 8〉 Total amounts of LDOC and RDOC load by land coverage 47
〈Figure 1〉 The water level gauge and rainfall meter in the sampling site. 14
〈Figure 2〉 Calibration and validation items for watershed model (STREAM). 19
〈Figure 3〉 Diagram of water balance analysis (Example). 20
〈Figure 4〉 Precipitation and discharge in Juwon (A; first event, B; second event)... 22
〈Figure 5〉 Variation of water quality (pH, DO, EC, and temperature) in Juwon... 23
〈Figure 6〉 Variation of water quality (pH, DO, EC, and temperature) in Juwon... 23
〈Figure 7〉 Variation of water quality (pH, DO, EC, and temperature) in Pumgok... 24
〈Figure 8〉 Variation of water quality (pH, DO, EC, and temperature) in Pumgok... 24
〈Figure 9〉 Variation of water quality (Discharge, TOC and DOC) in Juwon... 26
〈Figure 10〉 Variation of water quality (Discharge, TOC and DOC) in Pumgok... 26
〈Figure 11〉 Variation of water quality (SS, COD and BOD) in Juwon upstream... 27
〈Figure 12〉 Variation of water quality (SS, COD and BOD) in Pumgok upstream... 27
〈Figure 13〉 Variation of water quality (TN, TP and Chlorophyll-a) in Juwon... 28
〈Figure 14〉 Variation of water quality (TN, TP and Chlorophyll-a) in Pumgok... 28
〈Figure 15〉 Variations of SUVA value, spectral indices (HIX, FI) and Ho/Hi ratio in...(이미지참조) 30
〈Figure 16〉 Variations of SUVA value, spectral indices (HIX, FI) and Ho/Hi ratio in...(이미지참조) 30
〈Figure 17〉 Carbon (δ13C) and nitrogen (δ15N) stable isotope ratios of Juwon (A)...(이미지참조) 34
〈Figure 18〉 Carbon (δ13C) and nitrogen (δ15N) stable isotope ratios of Juwon...(이미지참조) 34
〈Figure 19〉 Carbon (δ13C) and nitrogen (δ15N) stable isotope ratios of Pumgok...(이미지참조) 34
〈Figure 20〉 Structure of watershed model, STREAM. 35
〈Figure 21〉 The spatial boundaries of Juwon and Pumgok watershed. 36
〈Figure 22〉 DEM (A), slope (B), flow direction (C), flow accumulation (D), land... 37
〈Figure 23〉 DEM (A), slope (B), flow direction (C), flow accumulation (D), land... 38
〈Figure 24〉 Temperature (A), humidity (B), wind speed (C),... 40
〈Figure 25〉 Calibration results of discharge in Juwon upstream. 41
〈Figure 26〉 Calibration results of discharge in Juwon downstream. 41
〈Figure 27〉 Calibration results of discharge in Pumgok upstream. 42
〈Figure 28〉 Calibration results of discharge in Pumgok downstream. 42
〈Figure 29〉 Monthly and daily loads of discharge (A) and TOC concentrations... 44
〈Figure 30〉 Monthly and daily loads of discharge (A) and TOC concentrations... 45