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The Cryosphere An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 4
The Cryosphere, 10, 1547–1570, 2016
https://doi.org/10.5194/tc-10-1547-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
The Cryosphere, 10, 1547–1570, 2016
https://doi.org/10.5194/tc-10-1547-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 20 Jul 2016

Research article | 20 Jul 2016

An ice-sheet-wide framework for englacial attenuation from ice-penetrating radar data

T. M. Jordan et al.
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Cited articles  
Bailey, J. T., Evans, S., and Robin, G.: Radio echo sounding of polar ice sheets, Nature, 204, 420–421, 1964.
Bamber, J. L., Hardy, R. J., and Joughin, I.: An analysis of balance velocities over the Greenland ice sheet and comparison with synthetic aperture radar interferometry, J. Glaciol., 46, 67–74, https://doi.org/10.3189/172756500781833412, 2000.
Bamber, J. L., Griggs, J. A., Hurkmans, R. T. W. L., Dowdeswell, J. A., Gogineni, S. P., Howat, I., Mouginot, J., Paden, J., Palmer, S., Rignot, E., and Steinhage, D.: A new bed elevation dataset for Greenland, The Cryosphere, 7, 499–510, https://doi.org/10.5194/tc-7-499-2013, 2013.
Bell, R. E., Ferraccioli, F., Creyts, T. T., Braaten, D., Corr, H., Indrani, D., Damaske, D., Frearson, N., Jordan, T., Rose, K., Studinger, M., and Wolovick, M.: Widespread Persistent Thickening of the East Antarctic Ice Sheet by Freezing from the Base, Science, 331, 1592–1595, https://doi.org/10.1126/science.1200109, 2011.
Bentley, C. R., Lord, N., and Liu, C.: Radar reflections reveal a wet bed beneath stagnant Ice Stream C and frozen bed beneath ridge BC, West Antarctica, J. Glaciol., 149–156, https://doi.org/10.1006/jcph.1998.6110, 1998.
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Short summary
Ice penetrating radar enables determination of the basal properties of ice sheets. Existing algorithms assume stationarity in the attenuation rate, which is not justifiable at an ice sheet scale. We introduce the first ice-sheet-wide algorithm for radar attenuation that incorporates spatial variability, using the temperature field from a numerical model as an initial guess. The study is a step toward ice-sheet-wide data products for basal properties and evaluation of model temperature fields.
Ice penetrating radar enables determination of the basal properties of ice sheets. Existing...
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