Antarctic sea ice regime shift associated with decreasing zonal symmetry in the Southern Annular Mode

Schroeter, Serena; O'Kane, Terence J.; Sandery, Paul A.

doi:https://doi.org/10.5194/tc-17-701-2023

Articles | Volume 17, issue 2

https://doi.org/10.5194/tc-17-701-2023

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

https://doi.org/10.5194/tc-17-701-2023

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

Articles | Volume 17, issue 2

Research article

|

13 Feb 2023

Research article |

| 13 Feb 2023

Antarctic sea ice regime shift associated with decreasing zonal symmetry in the Southern Annular Mode

Serena Schroeter, Terence J. O'Kane, and Paul A. Sandery

Supplement

https://doi.org/10.5194/tc-17-701-2023-supplement

Data sets

The Met Office Hadley Centre sea ice and sea surface temperature data set, version 2: 1. Sea ice concentrations (https://www.metoffice.gov.uk/hadobs/hadisst/) H. A. Titchner and N. A. Rayner https://doi.org/10.1002/2013JD020316

RA-55: Japanese 55-year Reanalysis, Monthly Means and Variances JMA https://doi.org/10.5065/D60G3H5B

NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 4 W. N. Meier, F. Fetterer, A. K. Windnagel, and J. S. Stewart https://doi.org/10.7265/efmz-2t65

Near-Real-Time NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration, Version 2 W. N. Meier, F. Fetterer, A. K. Windnagel, and J. S. Stewart https://doi.org/10.7265/tgam-yv28

Short summary

Antarctic sea ice has increased over much of the satellite record, but we show that the early,...