표제지
목차
Ⅰ. 서론 6
1. 연구배경 및 목적 6
2. 연구동향 7
Ⅱ. 이론적 배경 10
1. 남강수계현황 10
1) 유역의 현황 10
2) 기후의 현황 11
3) 오염원현황 12
2. 수질오염총량관리제의 개요 15
1) 오염총량관리제의 정의 15
2) 오염총량관리제의 의의 17
3) 오염총량관리제의 도입 18
4) 오염총량관리제 추진사항 20
Ⅲ. 조사 및 연구방법 22
1. 연구대상 유역 22
2. 조사기간 및 조사방법 24
1) 수질조사 방법 24
2) 유량조사 방법 25
3. 오염원 현황조사 26
4. 연구대상 검토 28
1) 상관분석기법 28
2) 영양상태 및 N/P ratio 조사 28
Ⅳ. 결과 및 고찰 31
1. 남강 하류수계에 대한 수질변화 특성 31
1) 오목교 (Site 1) 32
2) 판문천 말단, 남강 합류 전 (Site 2) 34
3) 나불천 말단, 남강 합류 전 (Site 3) 36
4) 가좌천 말단, 남강 합류 전 (Site 4) 38
5) 남강본류, 남강교 (Site 5) 40
6) 영천말단, 남강 합류 전 (Site 6) 42
7) 용아천 말단, 남강 합류 전 (Site 7) 44
8) 향양천 말단, 남강 합류 전 (Site 8) 46
9) 대곡천 말단, 남강 합류 전 (Site 9) 48
10) 반성천, 진성천 합류 후 (Site 10) 50
11) 남강본류, 월강교 (Site 11) 52
12) 남강본류, 장박교 (Site 12) 54
2. 수질항목 간의 상관분석 56
3. Chl-a 와 주요인자 사이의 상관관계 63
4. 부영양화지수(Trophic state index) 66
1) Site 1(오목교) 66
2) Site 5(남강교) 66
3) Site 11(월강교) 67
4) Site 12(장박교) 67
5. N/P ratio 67
1) Site 1(오목교) 67
2) Site 5(남강교) 68
3) Site 11(월강교) 68
4) Site 12(장박교) 69
Ⅴ. 결론 70
1. 남강 하류의 수질조사 결과 70
2. 수질항목 간의 상관분석 71
3. Chl-a 와 주요인자 사이의 상관관계 71
4. 부영양화 지수 및 N/P ratio 71
참고문헌 73
Abstract 75
감사의 글 78
Table 1. Characteristics of yearly climate in Jinju area 11
Table 2. Investigation status on the pollution sources of down stream area of Nam river 14
Table 3. Standards for the living environment of river and streams in Korea 16
Table 4. Effluent standards of wastewater treatment facility in Korea 18
Table 5. Comparison of amount restriction and total water pollution loads management 19
Table 6. The implementation plans of TMDL (total maximum daily loads) in Korea 20
Table 7. Location of sampling site in Nam river basin 23
Table 8. Analytical method of items by standard methods for the examination of wastewater quality 25
Table 9. Comparison by the pollution source groups of point sources and non-point sources 27
Table 10. Result for the eutrophication state using TSI (trophic state index) of Carlson 29
Table 11. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 1 (Ohmok bridge) 32
Table 12. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 2 (Panmun stream terminal) 34
Table 13. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 3 (Nabul stream terminal) 36
Table 14. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 4 (Gajwa stream terminel) 38
Table 15. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 5 (Nam river bridge) 40
Table 16. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 6 (Munsan bridge) 42
Table 17. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 7 (Songback bridge) 44
Table 18. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 8 (Worlah bridge) 46
Table 19. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 9 (Daegok bridge) 48
Table 20. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 10 (Jinsurg and Bansurg stream) 50
Table 21. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 11 (Worlgang bridge) 52
Table 22. Characteristics of water quality for the concentration range from minimum to maximum and annual average at the Site 12 (Jangbak bridge) 54
Table 23. Comparison of correlation coefficient among the items of water quality at the Site 1 (Ohmok bridge) 57
Table 24. Comparison of correlation coefficient among the items of water quality at the Site 2 (Panmun stream terminal) 57
Table 25. Comparison of correlation coefficient among the items of water quality at the Site 3 (Nabul stream terminal) 58
Table 26. Comparison of correlation coefficient among the items of water quality at the Site 4 (Gajwa stream terminal) 58
Table 27. Comparison of correlation coefficient among the items of water quality at the Site 5 (Nam river bridge) 59
Table 28. Comparison of correlation coefficient among the items of water quality at the Site 6 (Munsan bridge) 59
Table 29. Comparison of correlation coefficient among the items of water quality at the Site 7 (Songbaek bridge) 60
Table 30. Comparison of correlation coefficient among the items of water quality at the Site 8 (Worlah bridge) 60
Table 31. Comparison of correlation coefficient among the items of water quality at the Site 9 (Daegok bridge) 61
Table 32. Comparison of correlation coefficient among the items of water quality at the Site 10 (Jinsung and Bansung stream) 61
Table 33. Comparison of correlation coefficient among the items of water quality at the Site 11 (Worlgang bridge) 62
Table 34. Comparison of correlation coefficient among the items of water quality at the Site 12 (Jangbaek bridge) 62
Table 35. Result of correlation analysis among the independent Chl-a variable and parameter as to items at the Site 1 (Ohmok bridge) 64
Table 36. Result of correlation analysis among the independent Chl-a variable and parameter as to items at the Site 5 (Nam river bridge) 64
Table 37. Result of correlation analysis among the independent Chl-a variable and parameter as to items at the Site 11 (Worlgang bridge) 65
Table 38. Result of correlation analysis among the independent Chl-a variable and parameter as to items at the Site 12 (Jangbak bridge) 65
Fig. 1. Map of sampling site in the down streams area of Nam river basin. 22
Fig. 2. Variations of water quality at the Site 1. 33
Fig. 3. Variations of water quality at the Site 2. 35
Fig. 4. Variations of water quality at the Site 3. 37
Fig. 5. Variations of water quality at the Site 4. 39
Fig. 6. Variations of water quality at the Site 5. 41
Fig. 7. Variations of water quality at the Site 6. 43
Fig. 8. Variations of water quality at the Site 7. 45
Fig. 9. Variations of water quality at the Site 8. 47
Fig. 10. Variations of water quality at the Site 9. 49
Fig. 11. Variations of water quality at the Site 10. 51
Fig. 12. Variations of water quality at the Site 11. 53
Fig. 13. Variations of water quality at the Site 12. 55