Potential for Southern Hemisphere climate surprises

P. A. Mayewski*, T. Bracegirdle, I. Goodwin, D. Schneider, N. A N Bertler, S. Birkel, A. Carleton, M. H. England, J. H. Kang, A. Khan, J. Russell, J. Turner, I. Velicogna

*Corresponding author for this work

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Abstract

Climate model results suggest that future climate change in Antarctica will be accompanied by continued strengthening and poleward contraction of the Southern Ocean westerly wind belt. Paleoclimate records suggest past changes in the westerly winds can be abrupt and that healing of the Antarctic ozone hole could lead to poleward contraction of the westerlies and increased meridional atmospheric transport of warm air regionally into Antarctica. An abrupt shift to more meridional circulation could lead to notable changes in moisture availability for extra-Antarctic regions, increased Antarctic ice sheet disintegration and more rapid sea-level rise.

Original languageEnglish
Pages (from-to)391-395
Number of pages5
JournalJournal of Quaternary Science
Volume30
Issue number5
DOIs
Publication statusPublished - 1 Jul 2015

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Copyright the Author(s) 2015. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

Cite this

Mayewski, P. A., Bracegirdle, T., Goodwin, I., Schneider, D., Bertler, N. A. N., Birkel, S., ... Velicogna, I. (2015). Potential for Southern Hemisphere climate surprises. Journal of Quaternary Science, 30(5), 391-395. https://doi.org/10.1002/jqs.2794