Surface-wave analysis for building near-surface velocity models — Established approaches and new perspectives

Socco, Laura; Foti, Sebastiano; Boiero, Daniele

doi:10.1190/1.3479491

Cited by 424 publications

(174 citation statements)

References 152 publications

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“…The Reader is referred to textbooks (e.g. Okada 2003;Foti et al 2014) and to the vast literature on the topic (for an overview, see Bard et al 2010;Socco et al 2010;Foti et al 2011;Schramm et al 2012;Yong et al 2013) for achieving the necessary knowledge on surface wave methods and for the theoretical details.…”

Section: Introductionmentioning

confidence: 99%

Guidelines for the good practice of surface wave analysis: a product of the InterPACIFIC project

Foti

Hollender

Garofalo

et al. 2017

Bull Earthquake Eng

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Surface wave methods gained in the past decades a primary role in many seismic projects. Specifically, they are often used to retrieve a 1D shear wave velocity model or to estimate the V S,30 at a site. The complexity of the interpretation process and the variety of possible approaches to surface wave analysis make it very hard to set a fixed standard to assure quality and reliability of the results. The present guidelines provide practical Electronic supplementary material The online version of this article

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Section: Introductionmentioning

confidence: 99%

Guidelines for the good practice of surface wave analysis: a product of the InterPACIFIC project

Foti

Hollender

Garofalo

et al. 2017

Bull Earthquake Eng

Self Cite

379

202

View full text Add to dashboard Cite

show abstract

“…This process is described in detail by a number of authors (e.g. Aki and Richards 1980;Stokoe et al 1994;Xia et al 1999;Socco et al 2010). …”

Section: Surface Wavesmentioning

confidence: 99%

“…Socco et al (2010) provide an in-depth review of the different ways in which surface wave data can be processed and inverted. If necessary, steps (iv) and (v) may be carried out using a number of readily available commercial software packages.…”

Section: Masw Data Acquisition and Inversion Parametersmentioning

confidence: 99%

Detection of soil compaction using seismic surface waves

Donohue

Forristal

Donohue

2013

Soil and Tillage Research

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Seismic geophysical methods have rarely been used in precision agriculture, predominantly due to the perception that they are slow and results require a complex evaluation. This paper explores the possibility of using a recently developed surface wave seismic geophysical approach, the Multichannel Analysis of Surface Waves (MASW) method, for assessment of agricultural compaction. This approach has the advantage of being non-intrusive, rapid and is able to produce 2D ground models with a relatively high density of spatial sampling points. The method, which was tested on a research site in Oakpark, Ireland, detected a significant difference in shear wave velocity between a heavily compacted headland and an uncompacted location. The results from this approach compared favourably with those obtained from measurements of bulk densityand cone penetrometers and demonstrate that the MASW approach can distinguish between the extreme states of heavily compacted and uncompacted soil.

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“…The relationship between Rayleigh-wave phase velocity and frequency has been widely utilized to estimate the S-wave velocities in shallow layers (Nazarian and Stokoe, 1984;Xia et al, 1999Xia et al, , 2003Xia et al, , 2006Calderón-Macías and Luke, 2007;Socco et al, 2010). Hence, generating synthetic records containing accurate Rayleigh-wave information is a primary objective of any near-surface seismic modeling task.…”

Section: Introductionmentioning

confidence: 99%

Application of the multiaxial perfectly matched layer (M-PML) to near-surface seismic modeling with Rayleigh waves

et al. 2011

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Perfectly matched layer (PML) absorbing boundaries are widely used to suppress spurious edge reflections in seismic modeling. When modeling Rayleigh waves with the existence of the free surface, the classical PML algorithm becomes unstable when the Poisson's ratio of the medium is high. Numerical errors can accumulate exponentially and terminate the simulation due to computational overflows. Numerical tests show that the divergence speed of the classical PML has a nonlinear relationship with the Poisson's ratio. Generally, the higher the Poisson's ratio, the faster the classical PML diverges. The multiaxial PML (M-PML) attenuates the waves in PMLs using different damping profiles that are proportional to each other in orthogonal directions. The proportion coefficients of the damping profiles usually vary with the specific model settings. If they are set appropriately, the M-PML algorithm is stable for high Poisson's ratio earth models. Through numerical tests of 40 models with Poisson's ratios that varied from 0.10 to 0.49, we found that a constant proportion coefficient of 1.0 for the x-and z-directional damping profiles is sufficient to stabilize the M-PML for all 2D isotropic elastic cases. Wavefield simulations indicate that the instability of the classical PML is strongly related to the wave phenomena near the free surface. When applying the multiaxial technique only in the corners of the PML near the free surface, the original M-PML technique can be simplified without losing its stability. The simplified M-PML works efficiently for homogeneous and heterogeneous earth models with high Poisson's ratios. The analysis in this paper is based on 2D finite difference modeling in the time domain that can easily be extended into the 3D domain with other numerical methods.

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Surface-wave analysis for building near-surface velocity models — Established approaches and new perspectives

Cited by 424 publications

References 152 publications

Guidelines for the good practice of surface wave analysis: a product of the InterPACIFIC project

Guidelines for the good practice of surface wave analysis: a product of the InterPACIFIC project

Detection of soil compaction using seismic surface waves

Application of the multiaxial perfectly matched layer (M-PML) to near-surface seismic modeling with Rayleigh waves

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