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Summary The use of Distributed Acoustic Sensing (DAS) is becoming more widespread with the method being routinely used in the fields of pipeline/cable monitoring and downhole well applications. The ability to deploy extensive, continuous, sensing lengths in harsh environments make this a desirable approach for many applications. This paper documents a detailed investigation of DAS for the assessment of surface wave response for the determination of shear wave velocity, which is routinely used by design engineers due to its link to the small strain shear modulus Gmax. Correlations to traditional seismic data acquisition were carried out validate the approach and it was found that the use of DAS is appropriate for this purpose and has benefits over other available methodologies in the scale of arrays that can be deployed.
Trafford et al. (Sat,) studied this question.