Phanerozoic paleotemperatures: The earth's changing climate during the last 540 million years

CR Scotese, H Song, BJW Mills, DG van der Meer - Earth-Science Reviews, 2021 - Elsevier
This study provides a comprehensive and quantitative estimate of how global temperatures
have changed during the last 540 million years. It combines paleotemperature …

[HTML][HTML] Cretaceous sea-surface temperature evolution: Constraints from TEX86 and planktonic foraminiferal oxygen isotopes

CL O'Brien, SA Robinson, RD Pancost… - Earth-Science …, 2017 - Elsevier
It is well established that greenhouse conditions prevailed during the Cretaceous Period (~
145–66 Ma). Determining the exact nature of the greenhouse-gas forcing, climatic warming …

Lipid biomarkers: molecular tools for illuminating the history of microbial life

RE Summons, PV Welander, DA Gold - Nature Reviews Microbiology, 2022 - nature.com
Fossilized lipids preserved in sedimentary rocks offer singular insights into the Earth's
palaeobiology. These 'biomarkers' encode information pertaining to the oxygenation of the …

The effect of improved chromatography on GDGT-based palaeoproxies

EC Hopmans, S Schouten, JSS Damsté - Organic Geochemistry, 2016 - Elsevier
The development of methods using liquid chromatography coupled to mass spectrometry to
analyze glycerol dialkyl glycerol tetraethers (GDGTs) has substantially expanded the …

Synchronous tropical and polar temperature evolution in the Eocene

MJ Cramwinckel, M Huber, IJ Kocken, C Agnini, PK Bijl… - Nature, 2018 - nature.com
Palaeoclimate reconstructions of periods with warm climates and high atmospheric CO2
concentrations are crucial for developing better projections of future climate change. Deep …

The organic geochemistry of glycerol dialkyl glycerol tetraether lipids: A review

S Schouten, EC Hopmans, JSS Damsté - Organic geochemistry, 2013 - Elsevier
Glycerol dialkyl glycerol tetraether (GDGT) lipids are membrane lipids which were long
thought to be synthesized mainly by archaea, organisms thought to be limited to extreme …

Identification of a protein responsible for the synthesis of archaeal membrane-spanning GDGT lipids

Z Zeng, H Chen, H Yang, Y Chen, W Yang… - Nature …, 2022 - nature.com
Glycerol dibiphytanyl glycerol tetraethers (GDGTs) are archaeal monolayer membrane lipids
that can provide a competitive advantage in extreme environments. Here, we identify a …

[HTML][HTML] The Eocene–Oligocene transition: a review of marine and terrestrial proxy data, models and model–data comparisons

DK Hutchinson, HK Coxall, DJ Lunt… - Climate of the …, 2021 - cp.copernicus.org
Abstract The Eocene–Oligocene transition (EOT) was a climate shift from a largely ice-free
greenhouse world to an icehouse climate, involving the first major glaciation of Antarctica …

[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 CO 2 concentrations exceeded 1000 ppm. Global mean …

A 40-million-year history of atmospheric CO2

YG Zhang, M Pagani, Z Liu… - … Transactions of the …, 2013 - royalsocietypublishing.org
The alkenone–p CO2 methodology has been used to reconstruct the partial pressure of
ancient atmospheric carbon dioxide (p CO2) for the past 45 million years of Earth's history …