Articles | Volume 14, issue 12
https://doi.org/10.5194/tc-14-4495-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-4495-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
08 Dec 2020
Research article |
| 08 Dec 2020
| 08 Dec 2020
The role of electrical conductivity in radar wave reflection from glacier beds
Department of Earth and Planetary Sciences, University of California,
Santa Cruz, CA 95064, USA
Neil T. Foley
Department of Earth and Planetary Sciences, University of California,
Santa Cruz, CA 95064, USA
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- Radar Derived Subglacial Properties and Landforms Beneath Rutford Ice Stream, West Antarctica R. Schlegel et al. 10.1029/2021JF006349
25 citations as recorded by crossref.
- New Insights Into Composition Variation of Mars South Polar Layered Deposits From SHARAD Radar Sounder P. Fang & J. Zhang 10.1029/2023JE007812
- Characterizing Local Electronic States of Twin Boundaries in Copper J. Ni et al. 10.1021/acs.nanolett.4c00550
- Assessing the role of clay and salts on the origin of MARSIS basal bright reflections E. Mattei et al. 10.1016/j.epsl.2022.117370
- Evaluation of six geothermal heat flux maps for the Antarctic Lambert–Amery glacial system H. Kang et al. 10.5194/tc-16-3619-2022
- Characterizing sub-glacial hydrology using radar simulations C. Pierce et al. 10.5194/tc-18-1495-2024
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- Antarctic Sedimentary Basins and Their Influence on Ice‐Sheet Dynamics A. Aitken et al. 10.1029/2021RG000767
- Conditions on the Bedrock and Surface of the Vavilov Ice Cap (Severnaya Zemlya) during Its Surge according to Airborne Radar Data A. Glazovsky et al. 10.1134/S0097807824701276
- Alternatives to Liquid Water Beneath the South Polar Ice Cap of Mars D. Schroeder & G. Steinbrügge 10.1029/2021GL095912
- What can radar-based measures of subglacial hydrology tell us about basal shear stress? A case study at Thwaites Glacier, West Antarctica R. Haris et al. 10.1017/jog.2024.3
- A Semiautomatic Method for Predicting Subglacial Dry and Wet Zones Through Identifying Dry–Wet Transitions S. Lang et al. 10.1109/TGRS.2022.3225628
- The complex basal morphology and ice dynamics of the Nansen Ice Shelf, East Antarctica C. Dow et al. 10.5194/tc-18-1105-2024
- Paths forward in radioglaciology D. Schroeder 10.1017/aog.2023.3
- Conditions on the Bedrock and Surface of the Vavilov Ice Cap (Severnaya Zemlya) During its Surge According To Airborne Radar Data A. Glazovsky et al. 10.31857/S2076673423020072
- Improved monitoring of subglacial lake activity in Greenland L. Sandberg Sørensen et al. 10.5194/tc-18-505-2024
- Radio Frequency Heating of Washable Conductive Textiles for Bacteria and Virus Inactivation J. Oh et al. 10.1021/acsami.2c11493
- The Basal Detectability of an Ice‐Covered Mars by MARSIS C. Grima et al. 10.1029/2021GL096518
- Can Clay Mimic the High Reflectivity of Briny Water Below the Martian SPLD? B. Cosciotti et al. 10.1029/2022JE007513
- Strong MARSIS Radar Reflections From the Base of Martian South Polar Cap May Be Due to Conductive Ice or Minerals C. Bierson et al. 10.1029/2021GL093880
- 火星水冰分布特征和研究进展 Z. Liu et al. 10.3799/dqkx.2023.205
- Investigating the Radar Response of Englacial Debris Entrained Basal Ice Units in East Antarctica Using Electromagnetic Forward Modeling S. Franke et al. 10.1109/TGRS.2023.3277874
- Radar sounding survey over Devon Ice Cap indicates the potential for a diverse hypersaline subglacial hydrological environment A. Rutishauser et al. 10.5194/tc-16-379-2022
- Geophysical constraints on the properties of a subglacial lake in northwest Greenland R. Maguire et al. 10.5194/tc-15-3279-2021
1 citations as recorded by crossref.
Discussed (final revised paper)
Latest update: 02 Apr 2025
Short summary
Much of what we know about materials hidden beneath glaciers and ice sheets on Earth has been interpreted using radar reflection from the ice base. A common assumption is that electrical conductivity of the sub-ice materials does not influence the reflection strength and that the latter is controlled only by permittivity, which depends on the fraction of water in these materials. Here we argue that sub-ice electrical conductivity should be generally considered when interpreting radar records.
Much of what we know about materials hidden beneath glaciers and ice sheets on Earth has been...
