Arctic sea ice radar freeboard retrieval from the European Remote-Sensing Satellite  (ERS-2) using altimetry: toward sea ice thickness observation from 1995 to 2021

Bocquet, Marion; Fleury, Sara; Piras, Fanny; Rinne, Eero; Sallila, Heidi; Garnier, Florent; Rémy, Frédérique

doi:https://doi.org/10.5194/tc-17-3013-2023

Articles | Volume 17, issue 7

https://doi.org/10.5194/tc-17-3013-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

https://doi.org/10.5194/tc-17-3013-2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Articles | Volume 17, issue 7

Research article

|

25 Jul 2023

Research article |

| 25 Jul 2023

Arctic sea ice radar freeboard retrieval from the European Remote-Sensing Satellite (ERS-2) using altimetry: toward sea ice thickness observation from 1995 to 2021

Marion Bocquet, Sara Fleury, Fanny Piras, Eero Rinne, Heidi Sallila, Florent Garnier, and Frédérique Rémy

Data sets

Arctic sea ice radar freeboard from ERS-1, ERS-2, Envisat and CryoSat-2 Marion Bocquet and Sara Fleury https://doi.org/10.5281/zenodo.8063431

RA-2 Geophysical Data Record. Version 3.0 European Space Agency https://doi.org/10.5270/EN1-ajb696a

L1b SAR Precise Orbit, Baseline D European Space Agency https://doi.org/10.5270/CR2-2cnblvi

L1b SARin Precise Orbit, Baseline D European Space Agency https://doi.org/10.5270/CR2-u3805kw

ea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data D. Cavalieri, C. Parkinson, P. Gloersen, and H. J. Zwally https://doi.org/10.5067/8GQ8LZQVL0VL

EASE-Grid Sea Ice Age M. Tschudi, W. N. Meier, J. S. Stewart, C. Fowler, and J. Maslanikand https://doi.org/10.5067/UTAV7490FEPB

Unified Sea Ice Thickness Cli- mate Data Record, 1947 Onward R. Lindsay and A. J. Schweiger https://doi.org/10.7265/N5D50JXV

Daily mean sea ice draft from moored upward-looking Acoustic Doppler Current Profilers (ADCPs) in the Laptev Sea from 2003 to 2016 H. J. Belter, M. A., Janout, J. A. Hölemann, and T. Krumpen https://doi.org/10.1594/PANGAEA.912927

Ice Draft and Ice Velocity Data in the Beaufort Sea, 1990–2003 H. Melling https://doi.org/10.7265/N58913S6

WI Moored ULS Data, Greenland Sea and Fram Strait, 1991–2002 H. Witte and E. Fahrbach https://doi.org/10.7265/N5G15XSR

ubmarine Upward Looking Sonar Ice Draft Profile Data and Statistics, Version 1 National Snow and Ice Data Center https://doi.org/10.7265/N54Q7RWK

ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Northern hemisphere sea ice thickness from the Envisat satellite on a monthly grid (L3C), v2.0 S. Hendricks, S. Paul, and E. Rinne https://doi.org/10.5285/F4C34F4F0F1D4D0DA06D771F6972F180

Arctic Sea Ice Freeboard and Thick- ness D. Yi and H. J. Zwally https://doi.org/10.5067/SXJVJ3A2XIZT

Short summary

Sea ice has a large interannual variability, and studying its evolution requires long time series of observations. In this paper, we propose the first method to extend Arctic sea ice thickness time series to the ERS-2 altimeter. The developed method is based on a neural network to calibrate past missions on the current one by taking advantage of their differences during the mission-overlap periods. Data are available as monthly maps for each year during the winter period between 1995 and 2021.