표제지
목차
Abstract 6
I. 서론 14
1.1. 연구 배경 14
1.2. 선행연구 분석 18
1.2.1. 저수지 탁수 예측 연구 18
1.2.2. 선택취수 영향 연구 20
1.3. 연구 목적 및 범위 23
II. 연구 방법 및 모델의 구성 24
2.1. 연구 대상 지역 24
2.2. 탁수모델 및 선택취수 방법 27
2.2.1. 2차원 횡방향 평균 수리 수질 모형 27
2.2.2. 탁수 모델링 방법 31
2.2.3. 선택 취수 시나리오 구성 32
2.3. 모델의 구성 35
2.3.1. 입력자료 구성 35
2.3.2. 모형 예측 성능 평가 및 주요 매개 변수 43
2.3.3. 탁수 거동 예측 모형의 기본 설정 46
III. 연구 결과 및 고찰 54
3.1. 탁수 거동 예측 모델링 결과 54
3.1.1. 수온 성층 구조의 재현성 확인 54
3.1.2. 탁수 거동 예측 모델링 결과 58
3.2. 선택 취수에 따른 수리 및 수질 영향 67
3.2.1. 수온 성층 구조와 방류수 수온의 변화 69
3.2.2. 수리 동역학적 영향 71
3.2.3. 탁수 거동의 영향 75
3.3. 극한 홍수 사상에 탁수 모델링 방법 적용 80
3.3.1. 극한 홍수 사상의 수문 특성 80
3.3.2. 수온 성층 구조의 변화 81
3.3.3. 탁수 거동 예측 모형 적용 84
IV. 결론 90
참고문헌 93
Table 2.1. General features of Soyang reservoir and dam 26
Table 2.2. Statistical indices used to evaluate the model accuracy 36
Table 2.4. Mean values for hydrologic factors of Soyang reservoir from... 39
Table 2.5. Model parameters used for hydrodynamic Calibrations 45
Table 2.6. Evaluation of model performance for water temperature... 47
Table 2.7. Distribution of effective diameter for particles at the specific... 51
Table 2.8. Classification of SS particles and relevant diameter,... 52
Table 2.9. Classification of SS particles and relevant diameter,... 53
Table 3.1. Evaluation of model performance for water temperature... 55
Table 3.2. Evaluation of TM-1 and TM-2 model performance for SS... 59
Table 3.3. Evaluation of TM-2 and TM-3 model performance for SS... 63
Table 3.4. Evaluation of model performance for water temperature... 82
Table 3.5. Evaluation of model performance for SS concentration... 84
Figure 2.1. Layout of Soyang reservoir and locations of monitering... 25
Figure 2.2. Schematic description of turbidity modeling process 32
Figure 2.3. Scenario for operation of selective withdrawal facility 34
Figure 2.4. Comparison of calculated values and... 36
Figure 2.5. Grid system created for Soyang reservoir based on... 37
Figure 2.6. Daily variations of hydrologic factors from 2005 to 2007 40
Figure 2.7. Comparison of observed values and simulated values for... 41
Figure 2.8. Time-depth variations of water temperature from Feb. 2005... 48
Figure 2.9. Comparison of observed and simulated water temperature... 49
Figure 2.10. Comparison of observed and simulated water temperature... 50
Figure 3.1. Comparison of observed and simulated water temperature... 56
Figure 3.2. Comparison of observed and simulated water temperature... 57
Figure 3.3. Comparison of observed and simulated SS concentration... 60
Figure 3.4. Comparison of observed and simulated SS concentration... 61
Figure 3.5. Comparison of observed and simulated SS concentration... 64
Figure 3.6. Comparison of observed and simulated SS concentration... 65
Figure 3.7. Comparison of simulated and observed SS... 66
Figure 3.8. Variations of hydrologic data in Soyang reservoir from Jan.... 67
Figure 3.9. Comparison of SS concentrations for dam release... 68
Figure 3.10. Comparison of water temperature profiles at the site SY-1 69
Figure 3.11. Comparison of water temperature profiles at the site SY-2 70
Figure 3.12. Comparison of water temperature for dam release... 71
Figure 3.13. Comparison of longitudinal velocity at the site SY-1 72
Figure 3.14. Distribution of velocity and SS concentration from dam... 73
Figure 3.15. Distribution of velocity and SS concentration from dam... 74
Figure 3.16. Comparison of SS concentration profiles at the site... 76
Figure 3.17. Comparison of SS concentration profiles at the site... 76
Figure 3.18. Time-depth variations of SS concentration at the site... 77
Figure 3.19. Distribution variations of velocity and SS concentration... 78
Figure 3.20. Time serial variations of volume more than... 79
Figure 3.21. Daily variations of hydrologic factors on 2006 80
Figure 3.22. Comparison of observed and simulated water temperature... 82
Figure 3.23. Comparison of observed and simulated water temperature... 83
Figure 3.24. Snapshot of simulation for turbidity plume on 2006(A) 86
Figure 3.25. Snapshot of simulation for turbidity plume on 2006(B) 87
Figure 3.26. Comparison of observed and simulated SS concentration... 88
Figure 3.27. Comparison of observed and simulated SS concentration... 89