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Seismic wave dispersion and attenuation resulting from multiscale ...


2D MULTI-PARAMETER VISCOELASTIC SHALLOW-SEISMIC ...

It indicates that the attenuation in seismic waves is mainly caused by the ... Joint estimation of modal attenuation and velocity from multi- channel surface wave ...

Cross multi-scale flow pore medium full-band elastic wave ...

As the pore medium theoretically evolves, the learner also realized that fluid flow at the mesoscale is a significant cause of wave attenuation and dispersion.

2D multi-parameter viscoelastic shallow- seismic full waveform ...

It indicates that the attenuation in seismic waves is mainly caused by the shallow soil (weathering zone). The final density model doesn't provide geological ...

Calibrating a new attenuation curve for the Dead Sea region using ...

In this work, we used the multichannel analysis of surface waves (MASW) method to estimate seismic wave velocity at anomalous sites in Israel in order to ...

Multiscale anisotropic dispersion and attenuation in VTI media with ...

Society of Exploration Geophysicists. Seismic wave attenuation and dispersion resulting from wave-induced flow in porous rocks — A review.

Study on Seismic Attenuation Based on Wave-Induced Pore Fluid ...

In this paper, we focus on accurately predicting the velocity dispersion at low porosity and permeability, which can be used in multi-scale data matching.

Dispersion interpretation from synthetic seismograms and ...

The phase velocities of individual layers result in surface-wave dispersion as ... Xia, 1998, Imaging dispersion curves of surface waves on multi-channel.

Seismic wave attenuation in scattering media

... caused by the local geology, and the seismic wave attenuation. Fig ... attenuation and velocity dispersion can be measured from the coherent wave ...

Effect of Multiscale Cracks on Seismic Wave Propagation in Tight ...

(2022) derived a theoretical model using the Biot's dynamic poroelasticity equations to analyze the dispersion and attenuation of P-waves caused by FF-WIFF ( ...

Prediction of dispersion and attenuation on elastic wave velocities in ...

Elastic wave attenuation in partially saturated porous rock is primarily due to wave-induced fluid flow, which arises from the contrast in ...

Geometric and material attenuation of surface acoustic modes in ...

In accordance with recent studies, the dynamics of these small-amplitude multi-modal linear waves can be analysed by considering the granular.

Seismic attenuation and velocity dispersion in heterogeneous ...

Our results indicate that significant attenuation and modest velocity dispersion effects take place in this kind of media for both binary patchy-type and ...

Multiscale adjoint waveform tomography for surface and body waves

In seismic exploration, McMechan and Yedlin (1981) extracted dispersion curves of Rayleigh waves from common-shot marine seismic profiles based ...

Surface wave attenuation in the shallow subsurface from ...

The sources and receivers are located at the surface grids. Considering the offset range used in field data analysis, we analyze seismic data ...

Numerical analysis of seismic wave propagation in fluid-saturated ...

The results suggest that velocity, attenuation, and anisotropy vary as function of azimuth and frequency. The azimuths of the minimum ...

Modeling wave dispersion and attenuation characteristics of ...

Modeling wave dispersion and attenuation characteristics of complex porous media containing multi-type and multi-scale heterogeneities · View ...

Multi-Channel Analysis of Surface Waves Surveys | MASW | Vs30

It analyzes the dispersion of surface waves (usually the fundamental-mode Rayleigh waves). Like in other seismic methods, an array of geophones is used to ...

Combined effects of permeability and fluid saturation on seismic ...

Knowledge of dispersion and attenuation is essential for better reservoir characterization and hydrocarbon identification.

Poromechanics - Wikipedia

"Seismic wave attenuation and dispersion resulting from wave-induced flow in porous rocks: a review". ... "Is concrete a poromechanics materials?—A multiscale ...

Rock physical properties controlling P-wave dispersion and ... - SBGf

resulting in attenuation of seismic wave (Tisato and. Quintal, 2013; Dvorkin and Mavko, 2006). This work aims to study the effect of P-waves dispersion and ...