Abstract

To assess the validity of ray-based amplitude tomography, full-waveform crosshole georadar data are generated for a suite of canonical models. Inversions of the rst-cycle amplitudes demonstrate that the presence of waterlled boreholes as well as changes in the material properties along the boreholes may cause errors and artifacts. We nd that although ray-based crosshole georadar amplitude tomography is unable to constrain absolute attenuation values, the methodm is surprisingly robust at detecting relative changes in attenuation.

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