Wave Height Reduction Inside Pohang New Port, Korea, Due to the Construction of a Detached Breakwater
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Title
- Wave Height Reduction Inside Pohang New Port, Korea, Due to the Construction of a Detached Breakwater
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Author(s)
- Ryu, Kyong Ho; Jeong, Weon Mu; Oh, Jung Eun; Baek, Won Dae; Chang, Yeon S.
- KIOST Author(s)
- Ryu, Kyong Ho(류경호); Jeong, Weon Mu(정원무); Chang, Yeon S.(장연식)
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Alternative Author(s)
- 류경호; 정원무; 오정은; 백원대; 장연식
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Publication Year
- 2022-10
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Abstract
- The effect of a detached breakwater, which was constructed to improve harbor tranquility inside Pohang New Port, was examined through the comparison of wave data measured before and after the construction of the breakwater. The observation data showed that the wave energy was effectively reduced by the breakwater, although the wave height measured outside the breakwater was higher after its construction. The wave energy was reduced in all of the measured wave-propagating directions, but it was also observed that the breakwater became less effective in protecting against northeastwaves than in protecting against NNE waves. The BOUSS-2D Boussinesq-type wave model was employed to analyze the pattern of wave propagation, showing that, before the breakwater's construction, NE waves could directly enter the port, increasing the wave energy inside the port. After the breakwater's construction, simulations showed that the detached breakwater effectively blocked the waves approaching the port from both the NNE and NE directions, although the wave heights of the waves from the extreme NE direction inside the port increased. Considering that the estimated probability of failing to preserve the port tranquility was only 0.2-0.5% for these extreme NE waves, it was concluded that no secondary structures were necessary, and the existing breakwater was sufficient for the protection of the port.
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ISSN
- 2077-1312
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URI
- https://sciwatch.kiost.ac.kr/handle/2020.kiost/43341
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DOI
- 10.3390/jmse10101537
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Bibliographic Citation
- Journal of Marine Science and Engineering , v.10, no.10, 2022
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Publisher
- MDPI AG
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Keywords
- port protection; harbor tranquility; BOUSS-2D; Pohang New Port; detached breakwater
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Type
- Article
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Language
- English
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Document Type
- Article
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