Antarctic evidence for an abrupt northward shift of the Southern Hemisphere westerlies at 32 ka BP

• Published in: Nature Communications
• Main Authors: Abhijith U. Venugopal, Nancy A. N. Bertler, Jeffrey P. Severinghaus, Edward J. Brook, Giuseppe Cortese, James E. Lee, Thomas Blunier, Paul A. Mayewski, Helle A. Kjær, Lionel Carter, Michael E. Weber, Richard H. Levy, Rebecca L. Pyne, Marcus J. Vandergoes
• Format: Article in Journal/Newspaper
• Language: English
• Published: Nature Portfolio 2023
• Subjects: Science; Q; Antarctic; Roosevelt Island; Southern Ocean; Antarc*; Antarctica; ice core
• Online Access: https://doi.org/10.1038/s41467-023-40951-1; https://doaj.org/article/e515b10b2933403ba12334357c7140d6

Abstract High-resolution ice core records from coastal Antarctica are particularly useful to inform our understanding of environmental changes and their drivers. Here, we present a decadally resolved record of sea-salt sodium (a proxy for open-ocean area) and non-sea salt calcium (a proxy for contin...