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Related Experiment Video

Updated: Jun 25, 2026

Using Generative Art to Convey Past and Future Climate Transitions

Using Generative Art to Convey Past and Future Climate Transitions

Published on: March 31, 2023

Global cooling during the eocene-oligocene climate transition.

Zhonghui Liu¹, Mark Pagani, David Zinniker

¹Department of Geology and Geophysics, Yale University, New Haven, CT 06520, USA. zhliu@hku.hk

Science (New York, N.Y.)

|March 3, 2009

Summary

This summary is machine-generated.

Earth

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Area of Science:

Paleoclimatology
Climate Science
Geology

Background:

Earth's climate transitioned ~34 million years ago from an ice-free state to Antarctic glaciation.
Understanding high-latitude temperature changes during this transition is crucial but poorly constrained.
Evidence for early Northern Hemisphere ice sheets remains debated.

Purpose of the Study:

To reconstruct high-latitude sea surface temperature (SST) changes during the Eocene-Oligocene climate transition.
To assess the magnitude and heterogeneity of polar cooling.
To evaluate the necessity of Northern Hemisphere glaciation for observed ice growth.

Main Methods:

Analysis of sea surface temperature proxy records from multiple ocean sites.
Integration of proxy data with ocean and ice-sheet model simulations.
Utilizing benthic oxygen isotope records for paleoclimate reconstruction.

Main Results:

High-latitude (45°–70° N/S) temperatures, previously ~20°C, cooled by an average of ~5°C.
The cooling was substantial and varied significantly across high latitudes.
Model simulations suggest Northern Hemisphere glaciation was not essential for Antarctic ice growth.

Conclusions:

Significant, heterogeneous cooling occurred at high latitudes during the Eocene-Oligocene transition.
Antarctic ice sheet growth could be accommodated without concurrent Northern Hemisphere glaciation.
Refines understanding of early Cenozoic climate dynamics and ice sheet evolution.