Compressional and shear wave properties of marine sediments: comparisons between theory and data.

@article{Buckingham2005CompressionalAS,
  title={Compressional and shear wave properties of marine sediments: comparisons between theory and data.},
  author={Michael J. Buckingham},
  journal={The Journal of the Acoustical Society of America},
  year={2005},
  volume={117 1},
  pages={
          137-52
        }
}
  • M. Buckingham
  • Published 11 January 2005
  • Geology
  • The Journal of the Acoustical Society of America
According to a recently developed theory of wave propagation in marine sediments, the dispersion relationships for the phase speed and attenuation of the compressional and the shear wave depend on only three macroscopic physical variables: porosity, grain size, and depth in the sediment. The dispersion relations also involve three (real) parameters, assigned fixed values, representing microscopic processes occurring at grain contacts. The dispersion relationships are compared with extensive… 

The frequency dependence of compressional wave velocity and attenuation coefficient of intertidal marine sediments

To advance the present understanding of the frequency dependence of compressional wave velocity and attenuation in marine sediments a series of well-constrained in situ acoustic transmission

The compressional wave and physical properties of inter-tidal marine sediments

New quadratic regression equations for inter-tidal sediments are presented, which relate compressional wave properties (velocity ratio and proportionality constant) to porosity, bulk density and mean

Measurement of the In Situ Compressional Wave Properties of Marine Sediments

Geoacoustic inversion requires a generic knowledge of the frequency dependence of compressional wave properties in marine sediments, the nature of which is still under debate. The use of in situ

The Causal Properties of the Compressional Wave in an Unconsolidated Marine Sediment

The Viscous Grain Shearing (VGS) theory predicts the existence of a compressional wave and a shear wave in an unconsolidated marine sediment. Although it is known that, subject to certain

On pore-fluid viscosity and the wave properties of saturated granular materials including marine sediments.

  • M. Buckingham
  • Geology
    The Journal of the Acoustical Society of America
  • 2007
The grain-shearing theory of wave propagation in a saturated granular material, such as a marine sediment, is extended to include the effects of the viscosity of the molecularly thin layer of pore fluid separating contiguous grains, which is shown to match the SAX99 dispersion curves reasonably well over the broad frequency band of the measurements.

Examining the effects of microstructure on geoacoustic parameters in fine-grained sediments.

A set of controlled laboratory experiments are presented designed to develop a basis for understanding the relationship between microscopic and macroscopic properties of fine-grained sediments, and effects of sediment microstructure on geoacoustic properties are deduced from a comparison of the measured properties.

A Sensitivity Analysis of Parameter Estimates in Buckingham's Grain Shearing Model

Abstract : A compilation of 54 sets of geoacoustic measurements of marine sediments was reviewed in order to bound estimates of parameters for use in Buckingham's grain shearing (GS) theory of

Parameter estimation errors in Buckingham's grain shearing model

A compilation of 54 sets of geoacoustic measurements of marine sediments was reviewed in order to bound estimates of parameters for use in Buckingham's grain shearing (GS) theory of acoustic

Connecting the grain-shearing mechanism of wave propagation in marine sediments to fractional order wave equations.

The overall goal is to show that fractional calculus is not just a mathematical framework which can be used to curve-fit the complex behavior of materials but can also be derived from real physical processes as illustrated in this work by the example of GS.
...

References

SHOWING 1-10 OF 52 REFERENCES

Compressional-wave attenuation in marine sediments

In‐situ measurements of compressional (sound) velocity and attenuation were made in the sea floor off San Diego in water depths between 4 and 1100 m; frequencies were between 3.5 and 100 khz.

Theory of acoustic attenuation, dispersion, and pulse propagation in unconsolidated granular materials including marine sediments

A unified theory of sound propagation in saturated marine sediments is developed on the basis of a linear wave equation, which includes a new dissipation term representing internal losses arising

VELOCITIES OF COMPRESSIONAL AND SHEAR WAVES IN MARINE SEDIMENTS DETERMINED IN SITU FROM A RESEARCH SUBMERSIBLE

In situ measurements of the velocity and attenuation of compressional waves, and velocities of Stoneley waves from which shear-wave velocities were computed, were made at three stations in the sea

A three-parameter dispersion relationship for Biot's fast compressional wave in a marine sediment

When the bulk and shear moduli of the mineral frame are set to zero, the full Biot theory of wave propagation in a porous medium such as a marine sediment reduces to Williams’ “effective density

Elastic properties of marine sediments

This report includes discussions of elastic and viscoelastic models for water-saturated porous media, and measurements and computations of elastic constants including compressibility,

SHEAR‐WAVE VELOCITY VERSUS DEPTH IN MARINE SEDIMENTS: A REVIEW

The objectives of this paper are to review and study selected measurements of the velocity of shear waves at various depths in some principal types of unlithified, water‐saturated sediments, and to

Comparison of sound speed and attenuation measured in a sandy sediment to predictions based on the Biot theory of porous media

During the sediment acoustics experiment in 1999 (SAX99), several researchers measured sound speed and attenuation. Together, the measurements span the frequency range of about 125 Hz-400 kHz. The

Sound velocity and related properties of marine sediments, North Pacific

This is the first of a series of reports on sound velocity, elasticity, and related properties of marine sediments from sedimentary environments associated with three major physiographic provinces in

Geoacoustic and physical properties of carbonate sediments of the Lower Florida Keys

Abstract Near-surface sediment geoacoustic and physical properties were measured from a variety of unconsolidated carbonate sediments in the Lower Florida Keys. Surficial values of compressional and

Seismic wave attenuation characteristics from pulse experiments

Laboratory data on the transmission of stress waves in rocks indicate that the attenuation exponent (db/ft) for steady state sine waves is roughly proportional to frequency in dry cores at
...