Climate of the Past
Climate of the Past
CP
Articles | Volume 22, issue 9
Articles | Volume 22, issue 9
https://doi.org/10.5194/cp-22-1741-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-22-1741-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 22, issue 9
Research article
 | 
28 Sep 2026
Research article |  | 28 Sep 2026

Trends in south pole particle concentrations imply holocene westerly wind strengthening

Aaron Chesler, Dominic Winski, Karl Kreutz, Bess Koffman, Erich Osterberg, David Ferris, Zayta Thundercloud, Jihong Cole-Dai, Mark Wells, Aaron Putnam, and Katherine Anderson

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Short summary
The Southern Hemisphere Westerly Winds impact global climate and Antarctic ice sheet stability; however, there are few complete records over the past 12 000 years. We use a new mineral dust record from a South Pole ice core and identify a decrease in particle concentration and an increase in coarse particle percentage over the past ~ 11 000 years. Together with other records, our data suggests a southward shift in the winds starting ~ 6500 years ago related to warming in the Southern Hemisphere.
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