Strength and variability of the Oligocene Southern Ocean surface temperature gradient

Frida S. Hoem; Isabel Sauermilch; Adam K. Aleksinski; Matthew Huber; Francien Peterse; Francesca Sangiorgi; Peter K. Bijl

doi:10.1038/s43247-022-00666-5

Communications Earth & Environment (Dec 2022)

Strength and variability of the Oligocene Southern Ocean surface temperature gradient

Frida S. Hoem,
Isabel Sauermilch,
Adam K. Aleksinski,
Matthew Huber,
Francien Peterse,
Francesca Sangiorgi,
Peter K. Bijl

Affiliations

Frida S. Hoem: Department of Earth Sciences, Utrecht University
Isabel Sauermilch: Department of Earth Sciences, Utrecht University
Adam K. Aleksinski: Department of Earth, Atmospheric and Planetary Sciences, Purdue University
Matthew Huber: Department of Earth, Atmospheric and Planetary Sciences, Purdue University
Francien Peterse: Department of Earth Sciences, Utrecht University
Francesca Sangiorgi: Department of Earth Sciences, Utrecht University
Peter K. Bijl: Department of Earth Sciences, Utrecht University

DOI: https://doi.org/10.1038/s43247-022-00666-5
Journal volume & issue: Vol. 3, no. 1
pp. 1 – 8

Abstract

Read online

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.

Published in Communications Earth & Environment

ISSN: 2662-4435 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science: Geology; Geography. Anthropology. Recreation: Environmental sciences
Website: https://www.nature.com/commsenv/

About the journal