Near-Surface 2D Imaging via FWI of DAS Data: An Examination on the Impacts of FWI Starting Model

Full waveform inversion (FWI) and distributed acoustic sensing (DAS) are powerful tools with potential to improve how seismic site characterization is performed. FWI is able to provide true 2D or 3D images of the subsurface by inverting stress wave recordings collected over a wide variety of scales....

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Published in:Geosciences (Basel) 2023-03, Vol.13 (3), p.63
Main Authors: Yust, Michael B. S., Cox, Brady R., Vantassel, Joseph P., Hubbard, Peter G., Boehm, Christian, Krischer, Lion
Format: Article
Language:English
Subjects:
Acoustic imagery
Arrays
Boreholes
DAS
Depth
Earth science
Fiber optics
FWI
Image processing
Imaging systems
Inversions
Lithology
Measurement
Methods
Modelling
near-surface site characterization
Optical fibres
Optimization
Propagation
Seismic waves
Stress waves
Two dimensional models
Velocity
Waveforms
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description Full waveform inversion (FWI) and distributed acoustic sensing (DAS) are powerful tools with potential to improve how seismic site characterization is performed. FWI is able to provide true 2D or 3D images of the subsurface by inverting stress wave recordings collected over a wide variety of scales. DAS can be used to efficiently collect high-resolution stress wave recordings from long and complex fiber optic arrays and is well-suited for large-scale site characterization projects. Due to the relative novelty of combining FWI and DAS, there is presently little published literature regarding the application of FWI to DAS data for near-surface (depths
doi_str_mv 10.3390/geosciences13030063
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subjects Acoustic imagery
Arrays
Boreholes
DAS
Depth
Earth science
Fiber optics
FWI
Image processing
Imaging systems
Inversions
Lithology
Measurement
Methods
Modelling
near-surface site characterization
Optical fibres
Optimization
Propagation
Seismic waves
Stress waves
Two dimensional models
Velocity
Waveforms
title Near-Surface 2D Imaging via FWI of DAS Data: An Examination on the Impacts of FWI Starting Model
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