波浪溯升是評估颱風浪造成海岸結構物損毀、堤腳掏刷、越堤溢淹等災害的
重要指標，為設計海堤高度的主要依據。以往的研究多半在實驗室中進行，較少
有現場之實驗觀測，因此往往不能正確評估溯升高程。因此本研究希望藉由現場
觀測之資料，可以做為相關經驗式修正之依據，使得公式能符合當地之實際情況，
即能對海岸結構物的設計能有更好的參考。
本文主要研究颱風時期之溯升現象，因此於颱風前架設儀器，颱風後即回收
儀器，每次量測約2~3 天，量測的時間為2008 年7~10 月間之5 個颱風，包括卡
玫基颱風、鳳凰颱風、如麗颱風、哈格比颱風、薔蜜颱風，同步波浪溯升高程、
波高、水位與地形資料。
後灣海岸為一天然之岬灣，灣外有一200公尺之防波堤。海岸間雜珊瑚碎屑，
為沙灘綿延的景觀，由後灣漁港往南則為珊瑚礁地形，是恆春西海岸連續珊瑚礁
的北界。在灣內北側有約200 公尺長的沙灘，其組成為珊瑚碎屑的貝殼沙，粒徑
較一般海砂為粗。
現場觀測結果顯示，灣外溯升高程均大於灣內，且多次有越波的現象，顯示
後灣之天然岬灣及潛堤能使波高進一步的衰減，因此溯升高亦減小。
分析實測資料，發現外海波高不大時溯升波高比與1/(H0/L0)0.5 有較好的相關
性，此部分與往昔學者所得之結果相似。但波高較大時期相關性並不理想，與颱
風時期水位抬升量的估算及灣外波高條件的高估有關。
由實測平均水位及外海波高帶入相關之經驗式，並與實測值做比較，發現經
驗式只在波高較小的區間內與實測值較接近，當波高達一定程度時，經驗式之預
測值遠大於實測值。波浪溯升未能有一套有系統的理論，而經驗式是具有地域性
的差異，因此經驗式的使用有賴現場觀測之資料來探討各個參數的影響。

It is important to estimate the quantity of wave run-up and overtopping in
seawall design. Previous study on the investigations of run-up is carried out mostly in
the laboratories, it seldom perform in field measurements. About previous wave
run-up equation can’t accurately estimate run-up elevation. According to run-up data,
this study hope that it can make the formula to meet the actual local situation. It can
have a better reference by designing coastal structures.
This paper study wave run-up during five typhoons by
Kalmaegi ,Fung-Wong,Nuri, Hagupit,and Jangmi. It measuring wave height , water
level,and topography.
These data show that the run-up elevation in bay higher than in breakwater. It
shows that wave pass through a submerged breakwater can decay wave height.
Analysis of measured data and found that when the wave height is about 1~4
meter with 1/(H0/L0)0.5 has a good correlation. It similar to some past researchers.
Experience equations close to measured value when wave height smaller than 4
meter. When wave height more than 4 meter, the empirical prediction value is larger
than measured value. Wave run-up doesn’t have good theory, and experience
equations different about every field. The empirical equations depends on the scene to
investigate the effects of various parameter.

中文摘要.......................................................................................... I
Abstract .......................................................................................... II
目錄................................................................................................ III
圖表目錄........................................................................................ VI
符號說明........................................................................................ XI
第一章緒論
1-1 前言 ......................................................................................... 1
1-2 溯升簡介 ................................................................................. 1
1-3 文獻回顧 ................................................................................. 2
1-4 本文架構 ................................................................................. 7
第二章背景資料蒐集與分析......................................................... 8
2-1 背景資料 ................................................................................. 8
2-2 氣象資料 ................................................................................. 8
2-3 海象資料 ............................................................................... 10
2-3-1 波浪 ................................................................................... 10
2-3-2 潮汐 ................................................................................... 10
2-4 地象資料 ............................................................................... 13
2-4-1 海岸地質 ........................................................................... 13
2-4-2 海灘近況 ........................................................................... 13
2-4-3 地形特性 ........................................................................... 13
第三章波浪溯升觀測................................................................... 19
3-1 觀測方法 ............................................................................... 19
3-1-1 觀測區域 ........................................................................... 19
3-1-2 觀測設備及儀器 ............................................................... 20
3-1-3 觀測佈置 ........................................................................... 21
3-2 資料分析方法 ....................................................................... 23
3-2-1 波浪 ................................................................................... 23
3-2-2 潮汐 ................................................................................... 23
3-2-3 地形 ................................................................................... 24
3-2-4 溯升 ................................................................................... 25
3-2-5 平均水位變化 ................................................................... 25
3-3 觀測結果 ............................................................................... 27
3-3-1 卡玫基颱風期間 ............................................................... 27
3-3-2 鳳凰颱風期間 ................................................................... 30
3-3-3 如麗颱風期間 ................................................................... 34
3-3-4 哈格比颱風期間 ............................................................... 37
3-3-5 薔蜜颱風期間 ................................................................... 41
第四章溯升分析與討論............................................................... 46
4-1 溯升與相關參數之比較 ....................................................... 46
4-1-1 溯升相關因素討論 ........................................................... 46
4-1-2 溯升與1/(H0/L0)0.5 之關係 ........................................... 46
4-2 實測值與經驗式之比較 ....................................................... 48
4-2-1 基本參數 ........................................................................... 48
4-2-2 灣內斷面比較 ................................................................... 48
4-2-3 灣外斷面比較 ................................................................... 49
4-3 結果討論 ............................................................................... 49
第五章結論與建議....................................................................... 56
5-1 結論 ....................................................................................... 56
5-2 建議 ....................................................................................... 56
參考文獻.......................................................................................... i
附錄A .............................................................................................. v
附錄B ............................................................................................. vi
附錄C ............................................................................................ vii

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