Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea

Wave conditions around islands in the South China Sea (SCS) are of significant interest due to their importance for marine operations and coastal engineering. Understanding and accurately predicting wave characteristics in this region are crucial. In this study, the third-generation wave model WAVEW...

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Main Authors: Li Zou, Liangyu Liu, Zhen Wang, Yini Chen
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:Journal of Marine Science and Engineering
Subjects:
Online Access:https://www.mdpi.com/2077-1312/11/6/1158
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author Li Zou
Liangyu Liu
Zhen Wang
Yini Chen
author_facet Li Zou
Liangyu Liu
Zhen Wang
Yini Chen
author_sort Li Zou
collection DOAJ
description Wave conditions around islands in the South China Sea (SCS) are of significant interest due to their importance for marine operations and coastal engineering. Understanding and accurately predicting wave characteristics in this region are crucial. In this study, the third-generation wave model WAVEWATCH III is employed to examine wave conditions around islands in the SCS. According to the water depth and significant wave height, the sea state around the island was classified into two categories: typhoon sea state and moderate sea state. Several popular wind input–dissipation source terms (ST2, ST4 and ST6) are used to assess the typhoon sea state and the moderate sea state separately. The results are validated by field wave data. ST4 and ST6 show good performance in significant wave height for moderate sea states, while ST2 is good at the mean wave period. For the typhoon sea state, ST2 gives the best results in significant wave height with larger correlation coefficients and a smaller RMSE. The above results provide valuable insights into the effects of different source terms on the accuracy of wave simulations for different sea states. The spatial distribution of the significant wave heights is also demonstrated with ST2, which may be useful for assessing the wave conditions of marine structures from the large scale of the SCS to the island scale of the Yongle Atoll.
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spelling doaj.art-a5d6c2083f6a47f6aa45051051544b622023-11-18T11:06:41ZengMDPI AGJournal of Marine Science and Engineering2077-13122023-05-01116115810.3390/jmse11061158Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China SeaLi Zou0Liangyu Liu1Zhen Wang2Yini Chen3School of Naval Architecture, Dalian University of Technology, Dalian 116024, ChinaSchool of Naval Architecture, Dalian University of Technology, Dalian 116024, ChinaSchool of Mathematical Sciences, Beihang University, Beijing 100191, ChinaWuhan Rules and Research Institute of China Classification Society, Wuhan 430022, ChinaWave conditions around islands in the South China Sea (SCS) are of significant interest due to their importance for marine operations and coastal engineering. Understanding and accurately predicting wave characteristics in this region are crucial. In this study, the third-generation wave model WAVEWATCH III is employed to examine wave conditions around islands in the SCS. According to the water depth and significant wave height, the sea state around the island was classified into two categories: typhoon sea state and moderate sea state. Several popular wind input–dissipation source terms (ST2, ST4 and ST6) are used to assess the typhoon sea state and the moderate sea state separately. The results are validated by field wave data. ST4 and ST6 show good performance in significant wave height for moderate sea states, while ST2 is good at the mean wave period. For the typhoon sea state, ST2 gives the best results in significant wave height with larger correlation coefficients and a smaller RMSE. The above results provide valuable insights into the effects of different source terms on the accuracy of wave simulations for different sea states. The spatial distribution of the significant wave heights is also demonstrated with ST2, which may be useful for assessing the wave conditions of marine structures from the large scale of the SCS to the island scale of the Yongle Atoll.https://www.mdpi.com/2077-1312/11/6/1158South China Sea (SCS)WAVEWATCH III (WWIII)wind input–dissipation source termsignificant wave height (SWH)mean wave periodwave spectrum
spellingShingle Li Zou
Liangyu Liu
Zhen Wang
Yini Chen
Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
Journal of Marine Science and Engineering
South China Sea (SCS)
WAVEWATCH III (WWIII)
wind input–dissipation source term
significant wave height (SWH)
mean wave period
wave spectrum
title Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
title_full Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
title_fullStr Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
title_full_unstemmed Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
title_short Evolution Wave Condition Using WAVEWATCH III for Island Sheltered Area in the South China Sea
title_sort evolution wave condition using wavewatch iii for island sheltered area in the south china sea
topic South China Sea (SCS)
WAVEWATCH III (WWIII)
wind input–dissipation source term
significant wave height (SWH)
mean wave period
wave spectrum
url https://www.mdpi.com/2077-1312/11/6/1158
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