Articles | Volume 11, issue 3
The Cryosphere, 11, 1247–1264, 2017
https://doi.org/10.5194/tc-11-1247-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
The Cryosphere, 11, 1247–1264, 2017
https://doi.org/10.5194/tc-11-1247-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
24 May 2017
Research article
| 24 May 2017
Self-affine subglacial roughness: consequences for radar scattering and basal water discrimination in northern Greenland
Thomas M. Jordan et al.
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36 citations as recorded by crossref.
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- Quantifying bed roughness beneath contemporary and palaeo-ice streams F. FALCINI et al. 10.1017/jog.2018.71
- A constraint upon the basal water distribution and thermal state of the Greenland Ice Sheet from radar bed echoes T. Jordan et al. 10.5194/tc-12-2831-2018
- Topographic Correction of Geothermal Heat Flux in Greenland and Antarctica W. Colgan et al. 10.1029/2020JF005598
- Fractal Properties of Greenland Isolines S. Rezvanbehbahani et al. 10.1007/s11004-019-09788-7
- Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing K. Hogan et al. 10.5194/tc-14-2883-2020
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- Surface Expression of Basal and Englacial Features, Properties, and Processes of the Greenland Ice Sheet M. Cooper et al. 10.1029/2018GL080620
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- Ocean access beneath the southwest tributary of Pine Island Glacier, West Antarctica D. Schroeder et al. 10.1017/aog.2017.45
- <italic>In Situ</italic> Demonstration of a Passive Radio Sounding Approach Using the Sun for Echo Detection S. Peters et al. 10.1109/TGRS.2018.2850662
- Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future B. Hamlington et al. 10.1029/2019RG000672
- The Scientific Legacy of NASA’s Operation IceBridge J. MacGregor et al. 10.1029/2020RG000712
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- Distribution and dynamics of Greenland subglacial lakes J. Bowling et al. 10.1038/s41467-019-10821-w
- Complex Basal Conditions and Their Influence on Ice Flow at the Onset of the Northeast Greenland Ice Stream S. Franke et al. 10.1029/2020JF005689
- Geometric Power Fall-Off in Radar Sounding M. Haynes et al. 10.1109/TGRS.2018.2840511
- HF/VHF Radar Sounding of Ice from Manned and Unmanned Airborne Platforms E. Arnold et al. 10.3390/geosciences8050182
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35 citations as recorded by crossref.
- Interpreting englacial layer deformation in the presence of complex ice flow history with synthetic radargrams C. Elsworth et al. 10.1017/aog.2019.41
- Basal roughness of the East Antarctic Ice Sheet in relation to flow speed and basal thermal state O. Eisen et al. 10.1017/aog.2020.47
- Noise Removal and Feature Extraction in Airborne Radar Sounding Data of Ice Sheets X. Tang et al. 10.3390/rs14020399
- A self-adaptive two-parameter method for characterizing roughness of multi-scale subglacial topography S. Lang et al. 10.1017/jog.2021.12
- Doppler-based discrimination of radar sounder target scattering properties: A case study of subsurface water geometry in Europa's ice shell R. Michaelides & D. Schroeder 10.1016/j.icarus.2019.02.037
- A Radiometrically Precise Multi-Frequency Ice-Penetrating Radar Architecture A. Broome & D. Schroeder 10.1109/TGRS.2021.3099801
- Five decades of radioglaciology D. Schroeder et al. 10.1017/aog.2020.11
- Radar evidence of ponded subglacial water in Greenland G. OSWALD et al. 10.1017/jog.2018.60
- Quantifying bed roughness beneath contemporary and palaeo-ice streams F. FALCINI et al. 10.1017/jog.2018.71
- A constraint upon the basal water distribution and thermal state of the Greenland Ice Sheet from radar bed echoes T. Jordan et al. 10.5194/tc-12-2831-2018
- Topographic Correction of Geothermal Heat Flux in Greenland and Antarctica W. Colgan et al. 10.1029/2020JF005598
- Fractal Properties of Greenland Isolines S. Rezvanbehbahani et al. 10.1007/s11004-019-09788-7
- Revealing the former bed of Thwaites Glacier using sea-floor bathymetry: implications for warm-water routing and bed controls on ice flow and buttressing K. Hogan et al. 10.5194/tc-14-2883-2020
- Antarctic Topographic Realizations and Geostatistical Modeling Used to Map Subglacial Lakes E. MacKie et al. 10.1029/2019JF005420
- Multisystem Synthesis of Radar Sounding Observations of the Amundsen Sea Sector From the 2004–2005 Field Season W. Chu et al. 10.1029/2021JF006296
- Subglacial roughness of the Greenland Ice Sheet: relationship with contemporary ice velocity and geology M. Cooper et al. 10.5194/tc-13-3093-2019
- Geophysical constraints on the properties of a subglacial lake in northwest Greenland R. Maguire et al. 10.5194/tc-15-3279-2021
- Surface Expression of Basal and Englacial Features, Properties, and Processes of the Greenland Ice Sheet M. Cooper et al. 10.1029/2018GL080620
- An Automatic Method for Subglacial Lake Detection in Ice Sheet Radar Sounder Data A. Ilisei et al. 10.1109/TGRS.2018.2882911
- 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
- Hard rock landforms generate 130 km ice shelf channels through water focusing in basal corrugations H. Jeofry et al. 10.1038/s41467-018-06679-z
- Geospatial simulations of airborne ice-penetrating radar surveying reveal elevation under-measurement bias for ice-sheet bed topography O. Bartlett et al. 10.1017/aog.2020.35
- Ocean access beneath the southwest tributary of Pine Island Glacier, West Antarctica D. Schroeder et al. 10.1017/aog.2017.45
- <italic>In Situ</italic> Demonstration of a Passive Radio Sounding Approach Using the Sun for Echo Detection S. Peters et al. 10.1109/TGRS.2018.2850662
- Understanding of Contemporary Regional Sea‐Level Change and the Implications for the Future B. Hamlington et al. 10.1029/2019RG000672
- The Scientific Legacy of NASA’s Operation IceBridge J. MacGregor et al. 10.1029/2020RG000712
- Complex Basal Thermal Transition Near the Onset of Petermann Glacier, Greenland W. Chu et al. 10.1029/2017JF004561
- Permanent Scatterers in Repeat-Pass Airborne VHF Radar Sounder for Layer-Velocity Estimation D. Castelletti et al. 10.1109/LGRS.2020.3007514
- Distribution and dynamics of Greenland subglacial lakes J. Bowling et al. 10.1038/s41467-019-10821-w
- Complex Basal Conditions and Their Influence on Ice Flow at the Onset of the Northeast Greenland Ice Stream S. Franke et al. 10.1029/2020JF005689
- Geometric Power Fall-Off in Radar Sounding M. Haynes et al. 10.1109/TGRS.2018.2840511
- HF/VHF Radar Sounding of Ice from Manned and Unmanned Airborne Platforms E. Arnold et al. 10.3390/geosciences8050182
- Geothermal Heat Flux Reveals the Iceland Hotspot Track Underneath Greenland Y. Martos et al. 10.1029/2018GL078289
- Radar-Derived Internal Structure and Basal Roughness Characterization along a Traverse from Zhongshan Station to Dome A, East Antarctica K. Luo et al. 10.3390/rs12071079
- A framework for attenuation method selection evaluated with ice-penetrating radar data at South Pole Lake B. Hills et al. 10.1017/aog.2020.32
1 citations as recorded by crossref.
Latest update: 03 Jul 2022
Short summary
Using radio-echo sounding data from northern Greenland, we demonstrate that subglacial roughness exhibits self-affine (fractal) scaling behaviour. This enables us to assess topographic control upon the bed-echo waveform, and explain the spatial distribution of the degree of scattering (specular and diffuse reflections). Via comparison with a prediction for the basal thermal state (thawed and frozen regions of the bed) we discuss the consequences of our study for basal water discrimination.
Using radio-echo sounding data from northern Greenland, we demonstrate that subglacial roughness...
