Articles | Volume 17, issue 1
https://doi.org/10.5194/tc-17-127-2023
© Author(s) 2023. 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-17-127-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
13 Jan 2023
Research article |
| 13 Jan 2023
| 13 Jan 2023
Winter Arctic sea ice thickness from ICESat-2: upgrades to freeboard and snow loading estimates and an assessment of the first three winters of data collection
Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
Nicole Keeney
Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD, USA
Alex Cabaj
Department of Physics, University of Toronto, Toronto, Canada
Paul Kushner
Department of Physics, University of Toronto, Toronto, Canada
Marco Bagnardi
Cryospheric Sciences Laboratory, NASA Goddard Space Flight Center, Greenbelt, MD, USA
ADNET Systems Inc., Bethesda, MD, USA
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Cited
14 citations as recorded by crossref.
- Tuning ice model parameters to improve Arctic sea-ice simulation using the ERA5 atmospheric reanalysis forcing S. MacDermid et al. 10.1080/1755876X.2024.2447155
- Bivariate sea-ice assimilation for global-ocean analysis–reanalysis A. Cipollone et al. 10.5194/os-19-1375-2023
- The Stepwise Reduction of Multiyear Sea Ice Area in the Arctic Ocean Since 1980 D. Babb et al. 10.1029/2023JC020157
- Projections of central Arctic summer sea surface temperatures in CMIP6 J. Han et al. 10.1088/1748-9326/ad0c8a
- Automated Calibration of a Snow‐On‐Sea‐Ice Model A. Cabaj et al. 10.1029/2022EA002655
- Constraining CMIP6 sea ice simulations with ICESat-2 A. Petty et al. 10.5194/gmd-18-6313-2025
- Understanding biases in ICESat-2 data due to subsurface scattering using Airborne Topographic Mapper waveform data B. Smith et al. 10.5194/tc-19-975-2025
- Data Assimilation of Satellite-Derived Arctic Sea-Ice Thickness During Boreal Summer J. Lee et al. 10.1109/JSTARS.2025.3561257
- Detection of multi-year ex-fast ice in the Weddell Sea, Antarctica, using ICESat-2 satellite altimeter data Y. Koo et al. 10.1016/j.rse.2025.114750
- AdaSA-SD (v1.0): An Adaptive Seasonal Algorithm for Snow Depth Retrieval Over Arctic Sea Ice Y. Zhou et al. 10.1109/TGRS.2025.3593433
- Investigating the impact of reanalysis snow input on an observationally calibrated snow-on-sea-ice reconstruction A. Cabaj et al. 10.5194/tc-19-3033-2025
- Estimation of Arctic Sea Ice Thickness from Chinese HY-2B Radar Altimetry Data M. Jiang et al. 10.3390/rs15051180
- Two Decades of Arctic Sea-Ice Thickness from Satellite Altimeters: Retrieval Approaches and Record of Changes (2003–2023) S. Kacimi & R. Kwok 10.3390/rs16162983
- Asymmetric response of Arctic sea ice and navigation to carbon emissions T. Wei et al. 10.1016/j.accre.2025.09.003
14 citations as recorded by crossref.
- Tuning ice model parameters to improve Arctic sea-ice simulation using the ERA5 atmospheric reanalysis forcing S. MacDermid et al. 10.1080/1755876X.2024.2447155
- Bivariate sea-ice assimilation for global-ocean analysis–reanalysis A. Cipollone et al. 10.5194/os-19-1375-2023
- The Stepwise Reduction of Multiyear Sea Ice Area in the Arctic Ocean Since 1980 D. Babb et al. 10.1029/2023JC020157
- Projections of central Arctic summer sea surface temperatures in CMIP6 J. Han et al. 10.1088/1748-9326/ad0c8a
- Automated Calibration of a Snow‐On‐Sea‐Ice Model A. Cabaj et al. 10.1029/2022EA002655
- Constraining CMIP6 sea ice simulations with ICESat-2 A. Petty et al. 10.5194/gmd-18-6313-2025
- Understanding biases in ICESat-2 data due to subsurface scattering using Airborne Topographic Mapper waveform data B. Smith et al. 10.5194/tc-19-975-2025
- Data Assimilation of Satellite-Derived Arctic Sea-Ice Thickness During Boreal Summer J. Lee et al. 10.1109/JSTARS.2025.3561257
- Detection of multi-year ex-fast ice in the Weddell Sea, Antarctica, using ICESat-2 satellite altimeter data Y. Koo et al. 10.1016/j.rse.2025.114750
- AdaSA-SD (v1.0): An Adaptive Seasonal Algorithm for Snow Depth Retrieval Over Arctic Sea Ice Y. Zhou et al. 10.1109/TGRS.2025.3593433
- Investigating the impact of reanalysis snow input on an observationally calibrated snow-on-sea-ice reconstruction A. Cabaj et al. 10.5194/tc-19-3033-2025
- Estimation of Arctic Sea Ice Thickness from Chinese HY-2B Radar Altimetry Data M. Jiang et al. 10.3390/rs15051180
- Two Decades of Arctic Sea-Ice Thickness from Satellite Altimeters: Retrieval Approaches and Record of Changes (2003–2023) S. Kacimi & R. Kwok 10.3390/rs16162983
- Asymmetric response of Arctic sea ice and navigation to carbon emissions T. Wei et al. 10.1016/j.accre.2025.09.003
Latest update: 29 Oct 2025
Short summary
We present upgrades to winter Arctic sea ice thickness estimates from NASA's ICESat-2. Our new thickness results show better agreement with independent data from ESA's CryoSat-2 compared to our first data release, as well as new, very strong comparisons with data collected by moorings in the Beaufort Sea. We analyse three winters of thickness data across the Arctic, including 50 cm thinning of the multiyear ice over this 3-year period.
We present upgrades to winter Arctic sea ice thickness estimates from NASA's ICESat-2. Our new...
