Strength and variability of the Oligocene Southern Ocean surface temperature gradient

The deepening of the Drake Passage cooled Antarctic coasts and increased the temperature gradient between Australia and Antarctica which ultimately enhanced thermal isolation of the Antarctic Ice sheet, according to biomarker derived temperature records and simulation output.

Bibliographic Details
Main Authors: Frida S. Hoem, Isabel Sauermilch, Adam K. Aleksinski, Matthew Huber, Francien Peterse, Francesca Sangiorgi, Peter K. Bijl
Format: Article
Language:English
Published: Nature Portfolio 2022-12-01
Series:Communications Earth & Environment
Online Access:https://doi.org/10.1038/s43247-022-00666-5