Acoustic impedance properties of seafloor sediments off the coast of Southeastern Hainan, South China Sea
文献类型：期刊论文
| 作者 | Hou, ZY; Chen, Z; Wang, JQ; Zheng, XF; Yan, W; Tian, YH; Luo, Y |
| 刊名 | JOURNAL OF ASIAN EARTH SCIENCES
 |
| 出版日期 | 2018 |
| 卷号 | 154页码:1-7 |
| 通讯作者 | chzhsouth@scsio.ac.cn |
| 中文摘要 | Geoacoustic parameters are essential inputs to sediment wave propagation theories and are vital to underwater acoustic environment and explorations of the sea bottom. In this study, 21 seafloor sediment samples were collected off the coast of southeastern Hainan in the South China Sea. The sound speed was measured using a portable WSD-3 digital sonic instrument and the coaxial differential distance measurement method. Based on the measured sound speed and physical properties, the acoustic impedance and the pore-water-independent index of impedance (IOI) were calculated in this study. Similar to the sound speed, the IOI values are closely related to the sediment physical properties and change gradually from the northwest to the southeast. The relations between IOI and physical properties were studied and compared to the relations between the sound speed and physical properties. IOI is better correlated to physical properties than sound speed. This study also uses an error norm method to analyze the sensitivity of IOI to the physical parameters in the double-parameter equations and finds that the most influential physical parameters are as follows: wet bulk density > porosity > clay content > mean particle size. |
| 学科主题 | Geology |
| 关键词[WOS] | Acoustic impedance ; Index of impedance ; Sound speed ; Seafloor sediments |
| 源URL | [http://ir.scsio.ac.cn/handle/344004/17143]  |
| 专题 | 南海海洋研究所_中科院边缘海地质重点实验室 |
| 推荐引用方式 GB/T 7714 | Hou, ZY,Chen, Z,Wang, JQ,et al. Acoustic impedance properties of seafloor sediments off the coast of Southeastern Hainan, South China Sea[J]. JOURNAL OF ASIAN EARTH SCIENCES,2018,154:1-7. |
| APA | Hou, ZY.,Chen, Z.,Wang, JQ.,Zheng, XF.,Yan, W.,...&Luo, Y.(2018).Acoustic impedance properties of seafloor sediments off the coast of Southeastern Hainan, South China Sea.JOURNAL OF ASIAN EARTH SCIENCES,154,1-7. |
| MLA | Hou, ZY,et al."Acoustic impedance properties of seafloor sediments off the coast of Southeastern Hainan, South China Sea".JOURNAL OF ASIAN EARTH SCIENCES 154(2018):1-7. |
入库方式： OAI收割
来源：南海海洋研究所
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