Articles | Volume 10, issue 6
Research article
16 Dec 2016
Research article |  | 16 Dec 2016

Critical investigation of calculation methods for the elastic velocities in anisotropic ice polycrystals

Agnès Maurel, Jean-François Mercier, and Maurine Montagnat

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Cited articles

Azuma, N. and Goto-Azuma, K.: An anisotropic flow law for ice-sheet ice and its implications, Ann. Glaciol., 23, 202–208, 1996.
Bennett, H. F.: An investigation into velocity anisotropy through measurements of ultrasonic wave velocities in snow and ice cores from Greenland and Antarctica, PhD thesis, University of Wisconsin, Madison, 1968.
Blankenship, D. D., Bentley, C. R., Rooney, S. T., and Alley, R. B.: Till beneath Ice Stream B: 1. Properties derived from seismic travel times, J. Geophys. Res.-Solid Ea., 92, 8903–8911, 1987.
Diez, A. and Eisen, O.: Seismic wave propagation in anisotropic ice – Part 1: Elasticity tensor and derived quantities from ice-core properties, The Cryosphere, 9, 367–384,, 2015.
Gusmeroli, A., Pettit, E. C., Kennedy, J. H., and Ritz, C.: The crystal fabric of ice from full?waveform borehole sonic logging, J. Geophys. Res.-Ea. Surf., 117, F03021,, 2012.
Short summary
Crystallographic texture evolution with depth along ice cores can be evaluated using borehole sonic logging measurements. These measurements provide the velocities of elastic waves that depend on the ice polycrystal anisotropy and can further be related to the ice texture. To do so, elastic velocities need to be inverted from a modeling approach that relate elastic velocities to ice texture. The present paper presents a critical analysis of the different methods used for the inversion.