文章基本信息

标题：Estimation and Analysis of JONSWAP Spectrum Parameter Using Observed Data around Korean Coast
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作者：Lee, Uk-Jae ; Jeong, Weon-Mu ; Cho, Hong-Yeon 等
期刊名称：Journal of Marine Science and Engineering
电子版ISSN：2077-1312
出版年度：2022
卷号：10
期号：5
页码：1-21
DOI：10.3390/jmse10050578
语种：English
出版社：MDPI AG
摘要：The relationship between significant wave height (H1/3) and period (T1/3) was obtained using wave data from the East and Yellow coasts of the Korean Peninsula to facilitate the calculations of the wave parameters. In addition, the JONSWAP spectral parameters were estimated and analyzed for all wave height ranges. The relational expression between the two wave variables (H1/3~T1/3) obtained from this study showed a significant difference from the previously proposed relational expressions, most of which tended to follow the lower limit of the data. Meanwhile, the suggested peak enhancement factor (PEF, γ) is 1–7; however, for this study, a peak control factor (PCF, γc) with a range of 0–10 was introduced. As a result of the analysis, the PCF was determined to be 1.13–1.42, which is approximately 40% smaller than the previously proposed γ = 3.3. The probability density distribution of the appropriate PCF was then calculated, and the gamma and log-normal distributions for the East and Yellow coasts of the Korean Peninsula were found, respectively. This study covered waves of all range heights, and the analysis results can be used as important data to explain the characteristics of the sea area.
关键词：observed wave data; JONSWAP spectrum; peak control factor; significant wave height; wave period; probability density