SCSIO OpenIR  > 热带海洋环境国家重点实验室(LTO)
Wave attenuation and friction coefficient on the coral-reef flat
Zhu, LS; Li, MQ; Zhang, HS; Sui, SF; lszhu@scsio.ac.cn
2004
Source PublicationCHINA OCEAN ENGINEERING
ISSN0890-5487
Volume18Issue:1Pages:129-136
AbstractSeveral sets of S4 direction-wave-current-tide meters have been deployed on the coral-reef flat of Yongshu Reef in the sea area of Nansha Islands. Based on the observational sea wave data, the attenuation characteristics of the waves propagating on the coral reef flat, the bottom friction coefficients and the transfer of wave energy are discussed in the paper. The results show that, in the relative depths of 0.0613 similar to 0.0867, the wave height attenuation per unit distance of wave propagation is 22.09% similar to 46.56%, with an average of 31.35%; the wave energy attenuation coefficient, 33.74% similar to 53.22%, with an average of 43.61%. The average of the bottom friction coefficients on the coral-reef flat is 0.1346, which is about 10 times that on the sand or silt bottom. In the course of propagation on the reef flat, the waves sustain more loss in high frequency than in low frequency and the spectral energy transfers to the low frequency. These results may be used for reference in island and reef engineering.
DepartmentChinese Acad Sci, S China Sea Inst Oceanol, Guangzhou 501301, Peoples R China; Shanghai Jiao Tong Univ, Sch Naval Architecture & Ocean, Shanghai 200030, Peoples R China
KeywordCoral-reef Flat Wave Attenuation Wave Energy Transfer Bottom Friction
Subject AreaEngineering, Civil ; Engineering, Ocean ; Engineering, Mechanical ; Water Resources
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Indexed Bysci
Funding ProjectLED
WOS IDWOS:000220508000012
Citation statistics
Document Type期刊论文
Identifierhttp://ir.scsio.ac.cn/handle/344004/5659
Collection热带海洋环境国家重点实验室(LTO)
Corresponding Authorlszhu@scsio.ac.cn
Recommended Citation
GB/T 7714
Zhu, LS,Li, MQ,Zhang, HS,et al. Wave attenuation and friction coefficient on the coral-reef flat[J]. CHINA OCEAN ENGINEERING,2004,18(1):129-136.
APA Zhu, LS,Li, MQ,Zhang, HS,Sui, SF,&lszhu@scsio.ac.cn.(2004).Wave attenuation and friction coefficient on the coral-reef flat.CHINA OCEAN ENGINEERING,18(1),129-136.
MLA Zhu, LS,et al."Wave attenuation and friction coefficient on the coral-reef flat".CHINA OCEAN ENGINEERING 18.1(2004):129-136.
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