Articles | Volume 14, issue 6
The Cryosphere, 14, 1971–1984, 2020
https://doi.org/10.5194/tc-14-1971-2020
The Cryosphere, 14, 1971–1984, 2020
https://doi.org/10.5194/tc-14-1971-2020

Research article 18 Jun 2020

Research article | 18 Jun 2020

Changes of the Arctic marginal ice zone during the satellite era

Rebecca J. Rolph et al.

Data sets

Studies of Antarctic sea ice concentrations from satellite data and their applications J. C. Comiso and K. Steffen https://doi.org/10.1029/2001jc000823

Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS J. C. Comiso https://doi.org/10.5067/7Q8HCCWS4I0R

Sea ice concentration data produced from a simulation with the sea ice model CICE-CPOM-2019, including a prognostic floe size distribution model to study the Marginal Ice Zone R. Rolph, D. Feltham, and D. Schroeder https://doi.org/10.17864/1947.253

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Short summary
It is well known that the Arctic sea ice extent is declining, and it is often assumed that the marginal ice zone (MIZ), the area of partial sea ice cover, is consequently increasing. However, we find no trend in the MIZ extent during the last 40 years from observations that is consistent with a widening of the MIZ as it moves northward. Differences of MIZ extent between different satellite retrievals are too large to provide a robust basis to verify model simulations of MIZ extent.