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
Published in:Communications Earth & Environment
Main Authors: Frida S. Hoem, Isabel Sauermilch, Adam K. Aleksinski, Matthew Huber, Francien Peterse, Francesca Sangiorgi, Peter K. Bijl
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2022
Subjects:
Geology
QE1-996.5
Environmental sciences
GE1-350
Antarctic
Southern Ocean
The Antarctic
Drake Passage
Antarc*
Antarctica
Ice Sheet
Online Access:https://doi.org/10.1038/s43247-022-00666-5
https://doaj.org/article/7f7b3caab22243d38a1bccf008cdb3e2
Description
Summary: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.

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