Peking University, November 15, 2024: A research team led by Prof. Li Mingsong at Peking University has provided new insights into the Paleocene-Eocene Thermal Maximum (PETM) and its effects on ocean chemistry. This study, entitled “Coupled decline in ocean pH and carbonate saturation during the Palaeocene–Eocene Thermal Maximum” published in Nature Geoscience reconstructs ocean acidification during this ancient climate event, offering parallels with current trends linked to human-driven CO2 emissions.
Why It Matters:
The Paleocene-Eocene Thermal Maximum (PETM), 56 million years ago, was a major carbon release event that resulted in rapid global warming and significant ocean acidification. This study highlights parallels with current climate change, emphasizing the need to understand past events to predict future impacts. The findings stress the urgency of addressing human-driven CO2 emissions to protect marine ecosystems, particularly in vulnerable regions like the Arctic.
Key Findings:
1. Ocean Acidification:
2. PETM Overview:
3. Impact on Marine Life:
4. Relevance to Modern Climate Change:
Written by: Akaash Babar
Edited by: Zhang Jiang
Source: School of Earth and Space Sciences
Nature Geoscience
Coupled decline in ocean pH and carbonate saturation during the Palaeocene–Eocene Thermal Maximum
14-Nov-2024