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学科主题: Engineering, Ocean; Engineering, Geological; Oceanography; Mining & Mineral Processing
题名: Sea floor sediment and its acouso-physical properties in the southeast open sea area of Hainan Island in China
作者: Lu, B ; Li, G ; Liu, Q ; Huang, S ; Zhang, F
通讯作者: salu@scsio.ac.cn
关键词: acouso-physical properties ; acoustic parameters ; seafloor sediment ; South China Sea ; southeast offshore of Hainan Island in China
刊名: MARINE GEORESOURCES & GEOTECHNOLOGY
发表日期: 2008
卷: 26, 期:3, 页:129-144
收录类别: sci
部门归属: [Lu, B.; Li, G.; Liu, Q.; Huang, S.; Zhang, F.] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: 海洋地质
摘要: Acouso-physical properties of sea floor sediments in the southeast offshore sea area of Hainan Island on the northern continental shelf of the South China Sea are analyzed. In many cruises, conductivity-temperature-depth measurements of seawater, measurements of shallow stratum and side-scan sonar have been made. Acoustic parameters, basic sedimentary parameters, physical-mechanical parameters and C-14 age, etc., have been measured. The sediment elastic parameters, including Young's modulus, bulk modulus, constrained modulus, rigidity modulus, Poisson's ratio, Lames constant, etc., have been calculated. Results show that the compression wave velocity of the seafloor sediment in the sea area ranges from 1474-1700m/s, and there are high and low sound velocity sediment types in the different sea areas; the shear wave velocity is 150-600m/s; at 100kHz the sediment sound attenuation is 35-260dB/m, the sediment density is 1.4-2.0g/cm(3); the sediment porosity is 42-88%. Sound field parameters and describing sound reciprocity between sea and seafloor are described.
WOS记录号: WOS:000258897800001
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/4532
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Recommended Citation:
Lu, B; Li, G; Liu, Q; Huang, S; Zhang, F.Sea floor sediment and its acouso-physical properties in the southeast open sea area of Hainan Island in China,MARINE GEORESOURCES & GEOTECHNOLOGY,2008,26(3):129-144
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