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海洋科学  2008 

海底松散沉积物声学性质原位测量实验研究

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Keywords: 沉积物声速,声衰减,原位测量

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Abstract:

分析研究了国内外海底松散泥沙的声速和声衰减系数测量的研究现状,并据此研制了海底表层沉积物声速声衰减系数原位测量系统。利用原位测量系统分别在实验室和海滩对不同粒度的沉积物进行了测量分析,得到了不同粒度沉积物的声速和声衰减系数。数据分析表明,沉积物的声速和声衰减系数与沉积物的粒径有密切的关系,粒径越粗,声速越高,声衰减系数越大。通过沉积物声学性质研究,可以开发海底浅层沉积物声学性质原位测量技术,提高相关海洋调查的速度和效率。

References

[1]  Griffin S R, Grosz F B, Richardson M D. ISSAMS: A remote in situ sediment acoustic measurement system [J]. Sea Technology, 1996, 37(4): 19-22.
[2]  Buckingham M J, Richardson M D. On tone-burst measurements of sound speed and attenuation in sandy marine sediments [J]. IEEE Journal of Oceanic Engineering, 2002, 27 (3):429-453.
[3]  GB12763·5-91.海洋调查规范海洋声、光要素调查[S].[S].,..
[4]  卢博 李敢先 孙东怀.中国东南近海海底沉积物声学物理性质及其相关关系[J].热带海洋学报,2006,25(2):12-17.
[5]  卢博 李赶先 黄韶健 等.中国黄海、东海和南海北部海底浅层沉积物声学物理性质之比较[J].海洋技术,2005,24(2):28-33.
[6]  Hamilton E L, Bachman R T. Sound velocity and related properties of marine sediments [J]. Journal of the Acoustical Society of America, 1982, 72(6):1 891-1 904.
[7]  Biot M A. Theory of propagation of elastic waves in a fluid-saturated porous solid. I. low frequency range [J]. Journal of the Acoustical Society of America, 1956, 28:168-178.
[8]  Biot M A. Theory of propagation of elastic waves in a fluid-saturated porous solid. II. higher frequency range [J]. Journal of the Acoustical Society of America, 1956, 28:179-191.
[9]  Stoll R D, Bryan G M. Wave attenuation in saturated sediments [J]. Journal of the Acoustical Society of America, 1970, 47:1 440-1 447.
[10]  Stoll R D. Acoustic waves in ocean sediments [J]. Geophysics, 1977, 42:715-725.
[11]  Plona T J. Observation of a second bulk compressional wave in a porous medium at ultrasonic frequencies [J] Applied Physics Letters, 1980, 36 (4): 259-261.
[12]  Chotiros N P, Mautner A M, Lovik A. Acoustic penetration of a silty sand sediment in the 1-10-kHz band[J]. IEEE Journal of Oceanic Engineering, 1997, 22(4):604-615.

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