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List of Symbols 7
1. 서론 9
1.1. 연구배경 9
1.2. 연구목적 10
2. 재료 및 방법 12
2.1. 수영만의 개요 12
2.1.1. 지리학적 조건 12
2.1.2. 해양물리환경 12
2.1.3. 수영만내 해상자료 19
2.2. 내습태풍의 특성분석 21
2.3. 현장파랑관측 24
2.3.1. 관측방법 26
2.3.2. 방향스펙트럼의 기본이론 27
3. 결과 및 고찰 30
3.1. 수영만의 파랑내습특성 30
3.1.1. 관측지점별 파랑자료 비교분석 30
3.1.2. 태풍경로별 파랑특성 분석 36
3.2. 태풍별 풍향 및 파향 분석 39
3.2.1. 태풍 Ma-on 분석결과 39
3.2.2. 태풍 Muifa 분석결과 43
3.3. 파향별 파고출현빈도 분석결과 47
3.4. 태풍별 파향 스펙트럼 해석 52
4. 요약 및 결론 58
Table 1. Tidal harmonic constants in Busan & Haeundae 13
Table 2. Tidal nonharmonic constants in Busan & Haeundae 14
Table 3. Period of common wave at Suyeong bay 15
Table 4. Design wave of Gwangan coastal area 15
Table 5. Design wave of Millak coastal area 16
Table 6. Design wave of Suyeong bay area 17
Table 7. Information of Gwangan light beacon 19
Table 8. Location and feature of observation stations 25
Table 9. Characteristics of nomal wave 32
Table 10. Maximum significant wave height and period 35
Table 11. Significant wave height and wave direction frequency by Ma-on 48
Table 12. Significant wave height and wave direction frequency by typhoon Muifa 50
Table 13. Directional spectrum data by typhoon Ma-on 54
Table 14. Directional spectrum data by typhoon Muifa 57
Fig. 1. Flowchart of the study. 11
Fig. 2. Flood & ebb tidal currents around Suyeong bay(Khoa numerical tidal current). 18
Fig. 3. Route of typhoon Ma-on. 22
Fig. 4. Route of typhoon Muifa. 23
Fig. 5. Attack of typhoon Muifa in Suyeong bay. 23
Fig. 6. Location of study area. 24
Fig. 7. Flowcharts of the analysis of the observed wave data. 27
Fig. 8. Wave characteristics measured in Suyeong bay. 30
Fig. 9. Comparison with Gwangan, Haeundae and Observation point. 31
Fig. 10. Wave distribution characteristic at three locations. 34
Fig. 11. Significant wave height & period by typhoon Ma-on. 36
Fig. 12. Significant wave height & period by typhoon Muifa. 37
Fig. 13. Wind direction distribution characteristic by typhoon Ma-on. 40
Fig. 14. Wave direction distribution characteristic by typhoon Ma-on. 41
Fig. 15. Correlation of wave direction and wind direction by typhoon Ma-on. 42
Fig. 16. Wind direction distribution characteristic by typhoon Muifa. 44
Fig. 17. Wave direction distribution characteristic by typhoon Muifa. 45
Fig. 18. Correlation of wave direction and wind direction by typhoon Muifa. 46
Fig. 19. Directional distribution of wave by typhoon Ma-on. 47
Fig. 20. Change of significant wave height and wave directions by typhoon Ma-on. 48
Fig. 21. Directional distribution of wave by typhoon Muifa. 49
Fig. 22. Change of significant wave height and wave directions by typhoon Muifa. 51
Fig. 23. Directional spectrum wave by typhoon Ma-on. 53
Fig. 24. Directional spectrum wave by typhoon Muifa. 56
During a month, wave observation was characteristic of Suyeong bay since 16th of July. During the period, typhoons which were Ma-on, Muifa landed on Suyeong bay. Observation point places a half-way point between Gwangan light beacon in the utmost bounds of the west and Haeundae floating buoy in east.
To investigate the characteristic, using meteorological data not in just Gwangan light beacon but in Haeundae floating buoy. Through the spectrum analysis, we have confirmed the features of wave distribution on wave directions part.
Just as we meant, the changes of wave caused by direction of the wind have been turned out to be two main wind directions. It shows that the bigger the differences between two wave directions were the higher wave heights were. It means that changes of wave direction could cause high waves. Due to the result like these, we need to inquire to other typhoons. In the case of Suyeong bay, it would be necessary to study effects of river discharge on wave characteristic of the inside of a bay.
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