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Article
Neogene burial of organic carbon in the global ocean
Organic carbon buried in marine sediment serves as a net sink for atmospheric carbon dioxide and a source of oxygen1,2. The rate of organic carbon burial through geologic history is conventionally established by ...
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Article
Open AccessThe PhanSST global database of Phanerozoic sea surface temperature proxy data
Paleotemperature proxy data form the cornerstone of paleoclimate research and are integral to understanding the evolution of the Earth system across the Phanerozoic Eon. Here, we present PhanSST, a database co...
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Article
Open AccessPersistent high latitude amplification of the Pacific Ocean over the past 10 million years
While high latitude amplification is seen in modern observations, paleoclimate records, and climate modeling, better constraints on the magnitude and pattern of amplification would provide insights into the me...
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Article
Early and late phases of the Permian–Triassic mass extinction marked by different atmospheric CO2 regimes
The Permian–Triassic mass extinction is characterized by a massive injection of carbon dioxide associated with Siberian Traps volcanism, pronounced global warming and ocean acidification. However, in the absen...
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Article
Methane hydrate dissociation across the Oligocene–Miocene boundary
Methane hydrate dissociation has long been considered as a mechanism for global carbon cycle perturbations, climate change and even mass extinctions in Earth’s history. However, direct evidence of hydrate dest...
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Article
Open AccessLow CO2 levels of the entire Pleistocene epoch
Quantifying ancient atmospheric pCO2 provides valuable insights into the interplay between greenhouse gases and global climate. Beyond the 800-ky history uncovered by ice cores, discrepancies in both the trend an...
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Article
Improved efficiency of the biological pump as a trigger for the Late Ordovician glaciation
The first of the ‘Big Five’ Phanerozoic mass extinctions occurred in tandem with an episode of glaciation during the Hirnantian Age of the Late Ordovician. The mechanism or change in the carbon cycle that prom...
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Reference Work Entry In depth
Compound-Specific Isotope Analysis
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Living Reference Work Entry In depth
Compound-Specific Isotope Analysis
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Article
Temperature and pH controls on glycerol dibiphytanyl glycerol tetraether lipid composition in the hyperthermophilic crenarchaeon Acidilobus sulfurireducens
Cyclization in glycerol dibiphytanyl glycerol tetraethers (GDGTs) results in internal cyclopentane moieties which are believed to confer thermal stability to crenarchaeal membranes. While the average number of...