The Cryosphere
The Cryosphere
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Articles | Volume 12, issue 5
Articles | Volume 12, issue 5
https://doi.org/10.5194/tc-12-1715-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-12-1715-2018
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 5
Research article
 | 
23 May 2018
Research article |  | 23 May 2018

Deriving micro- to macro-scale seismic velocities from ice-core c axis orientations

Johanna Kerch, Anja Diez, Ilka Weikusat, and Olaf Eisen

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Short summary
We investigate the effect of crystal anisotropy on seismic velocities in glacier ice by calculating seismic phase velocities using the exact c axis angles to describe the crystal orientations in ice-core samples for an alpine and a polar ice core. Our results provide uncertainty estimates for earlier established approximative calculations. Additionally, our findings highlight the variation in seismic velocity at non-vertical incidence as a function of the horizontal azimuth of the seismic plane.
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