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논문요약 9

제1장 서론 13

1.1. 연구 배경 13

1.2. 연구 목적 17

1.3. 논문 구성 19

제2장 조석 장주기 변동 특성 및 연구동향 21

2.1. 조석 장주기 변동 특성 21

2.2. 조석 choking 연구동향 23

제3장 연구지역 및 연구방법 36

3.1. 명량수도 36

가. 지형 및 수심 특성 36

나. 조석 특성 38

3.2. 조석·조류관측 및 분석 방법 40

가. 조석·조류관측 및 자료획득 40

나. 조석·조류 분석 방법 46

다. 조석의 조차 및 형태수 49

라. 단주기 조위 및 조류 변동 분석 방법 51

3.3. 명량수도에서의 2차원 조석·조류 수치모형 55

가. 수치모형 개요 55

나. 수치모형 수립 61

다. 수치모형 검증 및 결과 62

제4장 명량수도의 조석 choking 특성 및 원인 분석 66

4.1. 명량수도의 조석 choking 현황 66

가. 조석분석 66

나. 명량수도의 조석전파 특성과 조석 choking 73

다. 조위의 단주기 변동 79

라. 조류의 단주기 변동 84

4.2. 명량수도의 조석 choking 원인 분석 87

가. 명량수도 지형과 고유진동파 특성 87

나. 울돌목에서 파랑-흐름 상호작용에 의한 장주기파의 발생 92

4.3. 0차원 단순모형을 이용한 조석 choking 재현 102

가. 단순모형 수립 102

나. 모형 적용 및 결과 109

4.4. 울돌목의 고립파(wave trapping) 재현 117

가. 수치모델 개요 118

나. 수치모형 적용 및 결과 119

제5장 결론 124

참고문헌 128

ABSTRACT 136

표목차

Table 3.2.1. Tide observation coordinates and period at the tide measurement... 41

Table 3.2.2. Nonharmonic analysis items of tide 47

Table 3.2.3. Classification of tide range type and tide form number 50

Table 3.3.1. Summary of numerical experiment 61

Table 3.3.2. Result of tide verification 64

Table 4.1.1. Result of tidal nonharmonic analysis in Myeongyang strait 68

Table 4.1.2. Result of tidal harmonic analysis in Myeongyang strait 69

Table 4.1.3. Result of tidal non-harmonic constant analysis in Myeongyang strait 70

Table 4.1.4. Compare tidal range at the tide measurement site 73

Table 4.1.5. Result of spectral analysis at the tide measurement site 80

Table 4.2.1. Results of Natural Frequency Calculation 89

Table 4.2.2. Results of Wave-Current Interaction 97

Table 4.4.1. Summary of wave-trapping numerical experiment 120

Table 4.4.2. Comparison of wave modeling with periods of 60s, 148s and 300s 120

Table 4.4.3. Comparison of wave modeling with ebb and flood current 121

그림목차

Figure 1.1.1. Study area and Uldolmok tidal stream power plant 15

Figure 1.1.2. The results of Uldolmok tidal stram power generation... 16

Figure 1.1.3. The results of the tide and tidal current data analysis at... 17

Figure 1.2.1. Research process and objectives 18

Figure 5.1.1. Research flow chart of tidal choking cause analysis in Myeongnyang Strait 19

Figure 2.1.1. Classification of the tidal choking area 22

Figure 2.2.1. Relationship with choking coefficient and channel sectional... 25

Figure 2.2.2. Relationship with KA0, tidal...(이미지참조) 27

Figure 2.2.3. Relationship with K and Water level (O'Brien... 30

Figure 2.2.4. Relationship with K and phase (O'Brien and... 30

Figure 2.2.5. Relationship with K and maximum velocity at... 31

Figure 2.2.6. Mean co-tidal range of Magellan strait (Medeiros and... 33

Figure 2.2.7. Relationship with tidal facor, channel length and channel width... 34

Figure 2.2.7. Location of Mokpo bay, its embankment, and... 35

Figure 3.1.1. Terrain and water depth in Myeongnyang Strait 37

Figure 3.1.2. Co-tidal chart of M2 in the Yellow Sea(Su... 39

Figure 3.1.3. Tidal propagation patterns around Jindo(left: flood, right: ebb) 39

Figure 3.2.1. The tide and tidal current measurement site in Myeongnyang Strait 42

Figure 3.2.2. WLR-7(left) and ADCP(right) 42

Figure 3.2.3. Result of tide observation at the tide measurement site 43

Figure 3.2.4. Result of tidal current observation at the tide measurement site 46

Figure 3.2.5. Steepness application result of HPF (High Pass... 53

Figure 3.2.6. Before and after application of HPF 53

Figure 4.1.1. Analysis of the constituent effects at the tide measurement site 71

Figure 4.1.2. Comparison of tidal range at the tide measurement site 74

Figure 4.1.3. Comparison of the amplitude of the diurnal tide at the... 76

Figure 4.1.4. Comparison of the amplitude of the semidiurnal tide at... 76

Figure 4.1.5. Comparison of the amplitude of the mixed tide at the tide... 77

Figure 4.1.6. Comparison of the phases of the diurnal tide at the tide... 77

Figure 4.1.7. Comparison of the phases of the semidiurnal tide at the... 78

Figure 4.1.8. Comparison of the tide form number at the tide... 78

Figure 4.1.9. Tide observation data and result of using the HPF at the tide... 81

Figure 4.1.10. Results of spectral analysis at the tide measurement site 82

Figure 4.1.11. Comparison of the periods of water level fluctuation... 83

Figure 4.1.12. Comparison of the PDS of water level fluctuation at... 83

Figure 4.1.11. Results of spectral analysis at the tidal measurement site(C-2014A2) 85

Figure 4.1.12. Tidal current data at the tidal current measurement site(ebb) 86

Figure 4.1.13. Tidal current data at the tidal current measurement site(flood) 86

Figure 4.2.1. Area map for 조석 choking analysis of Myeongyang strait 87

Figure 4.2.2. Result of spectral analysis fo tide (marked the period... 90

Figure 4.2.3. Energy distribution by measurement site 91

Figure 4.2.5. Relationship of the tidal difference(T5-T2) and... 93

Figure 4.2.6. Relationship of the tidal difference(T5-T2) and... 94

Figure 4.2.7. Relationship of the tidal difference(T5-T2) and... 94

Figure 4.2.8. Result of spectral analysis of tidal current 99

Figure 4.2.9. Result of spectral analysis of tidal current flood 100

Figure 4.2.10. Result of spectral analysis of tidal current ebb 101

Figure 4.3.1. The topography of inlet-bay system(left) and the section of... 103

Figure 4.3.2. Topography layout of the Myeongyang (top: flat... 105

Figure 4.3.3. Result of 0D model without tidal current fluctuation 114

Figure 4.3.4. Result of 0D model with 0.0015Hz of tidal current fluctuation 115

Figure 4.3.5. Result of 0D model with 0.0023Hz of tidal current fluctuation 116

Figure 4.4.1. Elevation and plan views of an abrupt channel transition(Dean... 117

Figure 5.1.2. Result of wave modeling(T = 148s) 122

Figure 5.1.3. Result of wave modeling(T = 60s) 122

Figure 5.1.4. Result of wave modeling with ebb current (T = 148s) 123

Figure 5.1.5. Result of wave modeling with flood current (T = 148s) 123