Wave attenuation and friction coefficient on the coral-reef flat
Zhu, LS; Li, MQ; Zhang, HS; Sui, SF; lszhu@scsio.ac.cn
2004
发表期刊CHINA OCEAN ENGINEERING
ISSN0890-5487
卷号18期号:1页码:129-136
摘要Several 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.
部门归属Chinese 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
关键词Coral-reef Flat Wave Attenuation Wave Energy Transfer Bottom Friction
学科领域Engineering, Civil ; Engineering, Ocean ; Engineering, Mechanical ; Water Resources
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收录类别sci
资助项目LED
WOS记录号WOS:000220508000012
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/5659
专题热带海洋环境国家重点实验室(LTO)
通讯作者lszhu@scsio.ac.cn
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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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