Earth System Science Data
Earth System Science Data
Earth System Science Data
Articles | Volume 18, issue 7
Articles | Volume 18, issue 7
https://doi.org/10.5194/essd-18-5399-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-18-5399-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 18, issue 7
Data description article
 | 
24 Jul 2026
Data description article |  | 24 Jul 2026

A multi-method Antarctic atmospheric blocking dataset (1979–2024)

Deniz Bozkurt, Charlie Opazo, Julio C. Marín, Kyle R. Clem, Benjamin Pohl, Victoire Buffet, Vincent Favier, Tomás Carrasco-Escaff, and Bradford S. Barrett

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Short summary
Atmospheric blocking near Antarctica drives long lasting circulation anomalies and extreme events, yet it remains poorly understood. We created a new public dataset for 1979 to 2024 using global reanalysis data and several detection methods applied in a consistent way. We found strong method dependent differences in how often, where, and how long blocking occurs, showing that no single approach captures all forms of Antarctic blocking.
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