The geological record of ocean acidification

B Hönisch, A Ridgwell, DN Schmidt, E Thomas… - science, 2012 - science.org
Ocean acidification may have severe consequences for marine ecosystems; however,
assessing its future impact is difficult because laboratory experiments and field observations …

Geochemistry of oceanic anoxic events

HC Jenkyns - Geochemistry, Geophysics, Geosystems, 2010 - Wiley Online Library
Oceanic anoxic events (OAEs) record profound changes in the climatic and
paleoceanographic state of the planet and represent major disturbances in the global …

Acycle: Time-series analysis software for paleoclimate research and education

M Li, L Hinnov, L Kump - Computers & Geosciences, 2019 - Elsevier
Recognition and interpretation of paleoclimate signals in sedimentary proxy datasets are
time consuming and subjective. Acycle is a comprehensive and easy-to-use software …

Lithium isotope evidence for enhanced weathering and erosion during the Paleocene-Eocene Thermal Maximum

PAE Pogge von Strandmann, MT Jones, AJ West… - Science …, 2021 - science.org
The Paleocene-Eocene Thermal Maximum (PETM;~ 55.9 Ma) was a geologically rapid
warming period associated with carbon release, which caused a marked increase in the …

Anthropogenic carbon release rate unprecedented during the past 66 million years

RE Zeebe, A Ridgwell, JC Zachos - Nature Geoscience, 2016 - nature.com
Carbon release rates from anthropogenic sources reached a record high of∼ 10 Pg C yr− 1
in 2014. Geologic analogues from past transient climate changes could provide invaluable …

[HTML][HTML] The DeepMIP contribution to PMIP4: Methodologies for selection, compilation and analysis of latest Paleocene and early Eocene climate proxy data …

CJ Hollis, T Dunkley Jones… - Geoscientific Model …, 2019 - gmd.copernicus.org
The early Eocene (56 to 48 million years ago) is inferred to have been the most recent time
that Earth's atmospheric CO2 concentrations exceeded 1000 ppm. Global mean …

Simulation of Eocene extreme warmth and high climate sensitivity through cloud feedbacks

J Zhu, CJ Poulsen, JE Tierney - Science advances, 2019 - science.org
The Early Eocene, a period of elevated atmospheric CO2 (> 1000 ppmv), is considered an
analog for future climate. Previous modeling attempts have been unable to reproduce major …

[HTML][HTML] Climate model and proxy data constraints on ocean warming across the Paleocene–Eocene Thermal Maximum

TD Jones, DJ Lunt, DN Schmidt, A Ridgwell… - Earth-Science …, 2013 - Elsevier
Constraining the greenhouse gas forcing, climatic warming and estimates of climate
sensitivity across ancient large transient warming events is a major challenge to the …

[HTML][HTML] Hydrological and associated biogeochemical consequences of rapid global warming during the Paleocene-Eocene Thermal Maximum

MJ Carmichael, GN Inglis, MPS Badger… - Global and Planetary …, 2017 - Elsevier
Abstract The Paleocene-Eocene Thermal Maximum (PETM) hyperthermal,~ 56 million years
ago (Ma), is the most dramatic example of abrupt Cenozoic global warming. During the …

Tempo and scale of late Paleocene and early Eocene carbon isotope cycles: Implications for the origin of hyperthermals

JC Zachos, H McCarren, B Murphy, U Röhl… - Earth and Planetary …, 2010 - Elsevier
The upper Paleocene and lower Eocene are marked by several prominent (> 1‰) carbon
isotope (δ13C) excursions (CIE) that coincide with transient global warmings, or thermal …