Kirsty M. Edgar

TL;DR: A carbonate accumulation record that covers the past 53 million years from a depth transect in the equatorial Pacific Ocean is presented and large superimposed fluctuations in carbonate compensation depth are found during the middle and late Eocene.

TL;DR: A new high-fidelity record of CO2 concentrations is generated using the boron isotope (δ11B) composition of well preserved planktonic foraminifera from the Tanzania Drilling Project, revising previous estimates and indicating that a large fraction of the warmth of the early Eocene greenhouse was driven by increasedCO2 concentrations, and that climate sensitivity was relatively constant throughout this period.

TL;DR: The Deep Time Model Intercomparison Project (DeepMIP) as discussed by the authors is a systematic model and data intercomparisons of three early Paleogene time slices: latest Paleocene, Paleocene-Eocene thermal maximum (PETM) and early Eocene climatic optimum (EECO).

TL;DR: Test the hypothesis that large ice sheets were present in both hemispheres ∼41.6 million years ago using marine sediment records of oxygen and carbon isotope values and of calcium carbonate content from the equatorial Atlantic Ocean to resolve the apparent discrepancy between the geological records of Northern Hemisphere glaciation.

TL;DR: In this article, the authors presented the first detailed benthic foraminiferal stable isotope records of the Middle Eocene Climatic Optimum (MECO) from the low latitudes as well as the biostratigraphic counts of Orbulinoides beckmanni and new magnetostrigraphic results.