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Experimental Studies of Sound Attenuation in Seabed Sediments on Column Sample Length Scale
[Long, Jian-Jun] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China; [Long, Jian-Jun] Chinese Acad Sci, CAS Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China; longjj@gdut.edu.cn
2013
发表期刊MARINE GEORESOURCES & GEOTECHNOLOGY
ISSN1064-119X
卷号31期号:2页码:176-189
摘要Seabed sediment microstructure has an influence on its acousto-physical properties, and the properties in a length of the sediment column reflect an aspect of the macroscopic behavior of the microstructure. An original measurement method of the sound attenuation within small distance cross sections in a sediment column, and the corresponding approach in data processing to attain an attenuation factor are detailed in the paper. This method was used to measure the compressional wave in series of points with a small distance in the sediment column, and it is shown that exponential attenuation is a type of compressional wave attenuation model for a sediment column in its full length. It indicates that there are various models of compressional wave attenuation in seabed sediments in the South China Sea after comparison of data from other literature. The method of measuring sound attenuation satisfies the sampling space interval in the acoustical forward and inverse problems in seabed sediments, and the original method provides a new approach for finding out sound attenuation mechanism in seabed sediments on small length scale.
部门归属海洋地质
关键词Acoustic Attenuation Measurement Column Sample Length Scale Seabed Sediment Small Distance Sound Attenuation
学科领域Engineering, Ocean ; Engineering, Geological ; Oceanography ; Mining & Mineral Processing
资助者Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003.
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资助者Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003. ; Most of the work reported here was carried out in a project supported by Key Laboratory of Marginal Sea Geology, Chinese Academy of Sciences, project No. MSGL09-04, and additionally supported by the China National Natural Science Foundation, project No. 40876018 and No. 41176034, and from State Key Laboratory of Acoustics, Institute of Acoustics, Chinese Academy of Sciences, project No. SKLOA201003.
WOS记录号WOS:000315690900005
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文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/11134
专题中科院边缘海地质重点实验室
通讯作者longjj@gdut.edu.cn
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[Long, Jian-Jun] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China,[Long, Jian-Jun] Chinese Acad Sci, CAS Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China,longjj@gdut.edu.cn. Experimental Studies of Sound Attenuation in Seabed Sediments on Column Sample Length Scale[J]. MARINE GEORESOURCES & GEOTECHNOLOGY,2013,31(2):176-189.
APA [Long, Jian-Jun] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China,[Long, Jian-Jun] Chinese Acad Sci, CAS Key Lab Marginal Sea Geol, S China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China,&longjj@gdut.edu.cn.(2013).Experimental Studies of Sound Attenuation in Seabed Sediments on Column Sample Length Scale.MARINE GEORESOURCES & GEOTECHNOLOGY,31(2),176-189.
MLA [Long, Jian-Jun] Guangdong Univ Technol, Sch Electromech Engn, Guangzhou 510006, Guangdong, Peoples R China,et al."Experimental Studies of Sound Attenuation in Seabed Sediments on Column Sample Length Scale".MARINE GEORESOURCES & GEOTECHNOLOGY 31.2(2013):176-189.
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