Articles | Volume 19, issue 10
https://doi.org/10.5194/tc-19-4167-2025
© Author(s) 2025. 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-19-4167-2025
© Author(s) 2025. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Multi-frequency altimetry snow depth estimates over heterogeneous snow-covered Antarctic summer sea ice – Part 1: C∕S-, Ku-, and Ka-band airborne observations
Renée Mie Fredensborg Hansen
CORRESPONDING AUTHOR
Division of Geodesy and Earth Observation, Department of Space Research and Space Technology (DTU Space), The Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
Department of Civil and Environmental Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
Department of Arctic Geophysics, The University Centre in Svalbard (UNIS), Longyearbyen, Norway
Henriette Skourup
Division of Geodesy and Earth Observation, Department of Space Research and Space Technology (DTU Space), The Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
Eero Rinne
Department of Arctic Geophysics, The University Centre in Svalbard (UNIS), Longyearbyen, Norway
Arttu Jutila
Finnish Meteorological Institute (FMI), Helsinki, Finland
Isobel R. Lawrence
ESA – ESRIN, European Space Agency, Frascati, Rome, Italy
Centre for Polar Observation and Modelling, Department of Geography and Environmental Science, Northumbria University, Newcastle, UK
Andrew Shepherd
Centre for Polar Observation and Modelling, Department of Geography and Environmental Science, Northumbria University, Newcastle, UK
Knut Vilhelm Høyland
Department of Civil and Environmental Engineering, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
Center for Remote Sensing and Integrated Systems (CReSIS), University of Kansas, Lawrence, KS, USA
Fernando Rodriguez-Morales
Center for Remote Sensing and Integrated Systems (CReSIS), University of Kansas, Lawrence, KS, USA
Sebastian Bjerregaaard Simonsen
Division of Geodesy and Earth Observation, Department of Space Research and Space Technology (DTU Space), The Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
Jeremy Wilkinson
British Antarctic Survey, Cambridge, Cambridgeshire, UK
Gaelle Veyssiere
British Antarctic Survey, Cambridge, Cambridgeshire, UK
Donghui Yi
GST Inc., Laboratory for Satellite Altimetry, Center for Satellite Applications and Research, NOAA, College Park, MD, USA
René Forsberg
Division of Geodesy and Earth Observation, Department of Space Research and Space Technology (DTU Space), The Technical University of Denmark (DTU), Kgs. Lyngby, Denmark
Taniâ Gil Duarte Casal
ESA – ESTEC, European Space Agency, Noordwijk, the Netherlands
Viewed
Total article views: 9,755 (including HTML, PDF, and XML)
Cumulative views and downloads
(calculated since 18 Sep 2024)
| HTML | XML | Total | BibTeX | EndNote | |
|---|---|---|---|---|---|
| 6,061 | 2,577 | 1,117 | 9,755 | 258 | 386 |
- HTML: 6,061
- PDF: 2,577
- XML: 1,117
- Total: 9,755
- BibTeX: 258
- EndNote: 386
Total article views: 3,403 (including HTML, PDF, and XML)
Cumulative views and downloads
(calculated since 02 Oct 2025)
| HTML | XML | Total | BibTeX | EndNote | |
|---|---|---|---|---|---|
| 2,465 | 832 | 106 | 3,403 | 90 | 119 |
- HTML: 2,465
- PDF: 832
- XML: 106
- Total: 3,403
- BibTeX: 90
- EndNote: 119
Total article views: 6,352 (including HTML, PDF, and XML)
Cumulative views and downloads
(calculated since 18 Sep 2024)
| HTML | XML | Total | BibTeX | EndNote | |
|---|---|---|---|---|---|
| 3,596 | 1,745 | 1,011 | 6,352 | 168 | 267 |
- HTML: 3,596
- PDF: 1,745
- XML: 1,011
- Total: 6,352
- BibTeX: 168
- EndNote: 267
Viewed (geographical distribution)
Total article views: 9,755 (including HTML, PDF, and XML)
Thereof 9,472 with geography defined
and 283 with unknown origin.
Total article views: 3,403 (including HTML, PDF, and XML)
Thereof 3,149 with geography defined
and 254 with unknown origin.
Total article views: 6,352 (including HTML, PDF, and XML)
Thereof 6,323 with geography defined
and 29 with unknown origin.
| Country | # | Views | % |
|---|
| Country | # | Views | % |
|---|
| Country | # | Views | % |
|---|
| Total: | 0 |
| HTML: | 0 |
| PDF: | 0 |
| XML: | 0 |
- 1
1
| Total: | 0 |
| HTML: | 0 |
| PDF: | 0 |
| XML: | 0 |
- 1
1
| Total: | 0 |
| HTML: | 0 |
| PDF: | 0 |
| XML: | 0 |
- 1
1
Cited
6 citations as recorded by crossref.
- Mapping snow on northern winter roads: a dual-frequency polarimetric radar approach for snow characterization over land, lake and sea ice J. Stroeve et al. https://doi.org/10.5194/tc-20-4367-2026
- First arctic-wide assessment of SWOT swath altimetry with ICESat-2 over sea ice F. Müller et al. https://doi.org/10.5194/tc-20-397-2026
- Iceberg influence on snow distribution and slush formation on Antarctic landfast sea ice from airborne multi-sensor observations S. Franke et al. https://doi.org/10.5194/tc-19-6319-2025
- Multi-frequency altimetry snow depth estimates over heterogeneous snow-covered Antarctic summer sea ice – Part 2: Comparing airborne estimates with near-coincident CryoSat-2 and ICESat-2 (CRYO2ICE) R. Fredensborg Hansen et al. https://doi.org/10.5194/tc-19-4193-2025
- A State-Space Model for Monitoring Greenland Ice Sheet Surface Elevation Change from CryoSat-2 N. Andersen et al. https://doi.org/10.5194/tc-20-4327-2026
- Simulating SAR altimeter echoes from cryospheric surfaces with the Snow Microwave Radiative Transfer (SMRT) model version 1.7 G. Picard et al. https://doi.org/10.5194/gmd-19-9103-2026
6 citations as recorded by crossref.
- Mapping snow on northern winter roads: a dual-frequency polarimetric radar approach for snow characterization over land, lake and sea ice J. Stroeve et al. https://doi.org/10.5194/tc-20-4367-2026
- First arctic-wide assessment of SWOT swath altimetry with ICESat-2 over sea ice F. Müller et al. https://doi.org/10.5194/tc-20-397-2026
- Iceberg influence on snow distribution and slush formation on Antarctic landfast sea ice from airborne multi-sensor observations S. Franke et al. https://doi.org/10.5194/tc-19-6319-2025
- Multi-frequency altimetry snow depth estimates over heterogeneous snow-covered Antarctic summer sea ice – Part 2: Comparing airborne estimates with near-coincident CryoSat-2 and ICESat-2 (CRYO2ICE) R. Fredensborg Hansen et al. https://doi.org/10.5194/tc-19-4193-2025
- A State-Space Model for Monitoring Greenland Ice Sheet Surface Elevation Change from CryoSat-2 N. Andersen et al. https://doi.org/10.5194/tc-20-4327-2026
- Simulating SAR altimeter echoes from cryospheric surfaces with the Snow Microwave Radiative Transfer (SMRT) model version 1.7 G. Picard et al. https://doi.org/10.5194/gmd-19-9103-2026
Saved (final revised paper)
Latest update: 11 Oct 2026
Short summary
An airborne campaign collected unprecedented coincident multi-frequency radar and lidar data over sea ice along a CryoSat-2 and ICESat-2 (CRYO2ICE) orbit in the Weddell Sea, useful for evaluating microwave snow penetration. Ka-band and Ku-band had limited penetration with significant contributions from the air–snow interface, contradicting traditional assumptions with discrepancies between commonly used C/S-band "snow-radar" methodologies, all challenging comparisons of airborne and spaceborne estimates.
An airborne campaign collected unprecedented coincident multi-frequency radar and lidar data...