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.
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.
the Creative Commons Attribution 4.0 License.
Research article
| 
28 Sep 2026
Research article |
| 28 Sep 2026
| 28 Sep 2026
Trends in south pole particle concentrations imply holocene westerly wind strengthening
Aaron Chesler
CORRESPONDING AUTHOR
Climate Change Institute, University of Maine, Orono, Maine, 04469, USA
School of Earth and Climate Sciences, University of Maine, Orono, Maine, 04469, USA
now at: Environmental Studies and Science Program, Colorado College, Colorado Springs, 80903, USA
Dominic Winski
Climate Change Institute, University of Maine, Orono, Maine, 04469, USA
School of Earth and Climate Sciences, University of Maine, Orono, Maine, 04469, USA
Karl Kreutz
Climate Change Institute, University of Maine, Orono, Maine, 04469, USA
School of Earth and Climate Sciences, University of Maine, Orono, Maine, 04469, USA
Bess Koffman
Department of Geology, Colby College, Waterville, Maine, 04903, USA
Erich Osterberg
Department of Earth Science, Dartmouth College, Hanover, New Hampshire, 03755, USA
David Ferris
Department of Earth Science, Dartmouth College, Hanover, New Hampshire, 03755, USA
Zayta Thundercloud
Department of Earth Science, Dartmouth College, Hanover, New Hampshire, 03755, USA
Jihong Cole-Dai
Department of Chemistry and Biochemistry, South Dakota State University, Brookings, South Dakota, 57007
Mark Wells
School of Marine Sciences, University of Maine, Orono, Maine, 04469, USA
Aaron Putnam
School of Earth and Climate Sciences, University of Maine, Orono, Maine, 04469, USA
Katherine Anderson
Department of Earth Science, Dartmouth College, Hanover, New Hampshire, 03755, USA
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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.
The Southern Hemisphere Westerly Winds impact global climate and Antarctic ice sheet stability;...
