The Cryosphere
The Cryosphere
TC
Articles | Volume 13, issue 1
Articles | Volume 13, issue 1
https://doi.org/10.5194/tc-13-49-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-13-49-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 1
Research article
 | 
09 Jan 2019
Research article |  | 09 Jan 2019

Version 2 of the EUMETSAT OSI SAF and ESA CCI sea-ice concentration climate data records

Thomas Lavergne, Atle Macdonald Sørensen, Stefan Kern, Rasmus Tonboe, Dirk Notz, Signe Aaboe, Louisa Bell, Gorm Dybkjær, Steinar Eastwood, Carolina Gabarro, Georg Heygster, Mari Anne Killie, Matilde Brandt Kreiner, John Lavelle, Roberto Saldo, Stein Sandven, and Leif Toudal Pedersen

Data sets

EUMETSAT Ocean and Sea Ice Satellite Application Facility (OSI SAF): Global Sea Ice Concentration Climate Data Record, version 2.0 L. Toudal Pedersen, G. Dybkjaer, S. Eastwood, M. A. Killie, J. Lavelle, T. Lavergne, H. Pfeiffer, A. Sørensen, and R. Tonboe https://doi.org/10.15770/EUM_SAF_OSI_0008

ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Sea Ice Concentration Climate Data Record from the AMSR-E and AMSR-2 instruments at 25km grid spacing, version 2.1 L. Toudal Pedersen, G. Dybkjær, S. Eastwood, G. Heygster, N. Ivanova, S. Kern, T. Lavergne, R. Saldo, S. Sandven, A. Sørensen, A., and R. Tonboe https://doi.org/10.5285/f17f146a31b14dfd960cde0874236ee5

ESA Sea Ice Climate Change Initiative (Sea_Ice_cci): Sea Ice Concentration Climate Data Record from the AMSR-E and AMSR-2 instruments at 50km grid spacing, version 2.1 L. Toudal Pedersen, G. Dybkjær, S. Eastwood, G. Heygster, N. Ivanova, S. Kern, T. Lavergne, R. Saldo, S. Sandven, A. Sørensen, A., and R. Tonboe https://doi.org/10.5285/5f75fcb0c58740d99b07953797bc041e

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Short summary
The loss of polar sea ice is an iconic indicator of Earth’s climate change. Many satellite-based algorithms and resulting data exist but they differ widely in specific sea-ice conditions. This spread hinders a robust estimate of the future evolution of sea-ice cover. In this study, we document three new climate data records of sea-ice concentration generated using satellite data available over the last 40 years. We introduce the novel algorithms, the data records, and their uncertainties.
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