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Three kinds of acoustic speeds of seafloor sediments in the northern South China Sea with temperature variation
Zou, DP; Lu, B; Yan, P; Wu, BH; anthonyzou@126.com
2012
发表期刊CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
ISSN0001-5733
卷号55期号:3页码:1017-1024
摘要The properties of acoustic speeds of seafloor sediments in varied temperature in the northern South China Sea were researched to draw some conclusions as follows: (1) there exist three kinds of sediments such as speed-temperature positive increase kind (STPIK), speed-temperature negative increase kind (STNIK), and speed-temperature waving kind (STWK). (2) According to the correlation analysis, speed and temperature of the STPIK and STNIK are in good linearity, while the nonlinearity of original samples is bigger than reconstructed ones because of their more inhomogeneous state. (3) The comparison of main physical parameters such as porosity and density is too weak to explain the difference of the three kinds. (4) The acoustic properties of STPIK are characterized by the accordance of theoretical and experimental research, and the speed ratio of sediment to sea water could be used to adjust the speed at different temperature. (5) The acoustic properties of STNIK and STWK need further study in theory and experiment. The study on the relationship of marine sediment sound speed with temperature will benefit the enhancement of the precision and accuracy of acoustic measurement in the northern South China Sea natural gas hydrate exploration.
部门归属[Zou Da-Peng; Lu Bo; Yan Pin] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China; [Zou Da-Peng; Wu Bai-Hai] Guangdong Univ Technol, Fac Electromech Engn, Guangzhou 510090, Guangdong, Peoples R China
关键词The norThern South China Sea Gas Hydrate Sediments Temperature Sound Speed
学科领域Geochemistry & Geophysics
语种中文
资助项目海洋地质
WOS记录号WOS:000302332300032
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被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10351
专题中科院边缘海地质重点实验室
通讯作者anthonyzou@126.com
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GB/T 7714
Zou, DP,Lu, B,Yan, P,et al. Three kinds of acoustic speeds of seafloor sediments in the northern South China Sea with temperature variation[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2012,55(3):1017-1024.
APA Zou, DP,Lu, B,Yan, P,Wu, BH,&anthonyzou@126.com.(2012).Three kinds of acoustic speeds of seafloor sediments in the northern South China Sea with temperature variation.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,55(3),1017-1024.
MLA Zou, DP,et al."Three kinds of acoustic speeds of seafloor sediments in the northern South China Sea with temperature variation".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 55.3(2012):1017-1024.
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