Comparison of full wavefield synthetics with frequency-dependent traveltimes calculated using wavelength-dependent velocity smoothing Jianxiong Chen and Colin A. Zelt Journal of Environmental and Engineering Geophysics, 22, 133-141, 2017. Ray theory-based traveltime calculation that assumes infinitely high frequency wave propagation is likely to be invalid in the near-surface (upper tens of meters) due to the relatively large seismic […]
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About Colin Zelt
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Entries by Colin Zelt
Detecting a known near-surface target through application of frequency-dependent traveltime tomography and full waveform inversion to P- and SH-wave seismic refraction data Jianxiong Chen, Colin A. Zelt and Priyank Jaiswal Geophysics, 82, R1-R17, 2017. We have applied a combined workflow of frequency-dependent traveltime tomography (FDTT) and full-waveform inversion (FWI) to 2D near-surface P- and SH-wave […]
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