Climate variability, heat distribution, and polar amplification in the warm unipolar “icehouse” of the Oligocene
The Oligocene (33.9–23.03 Ma) had warm climates with flattened meridional temperature
gradients, while Antarctica retained a significant cryosphere. These may pose imperfect …
gradients, while Antarctica retained a significant cryosphere. These may pose imperfect …
Late Miocene onset of the modern Antarctic Circumpolar Current
Abstract The Antarctic Circumpolar Current plays a pivotal role in global climate through its
strong influence on the global overturning circulation, ocean heat and CO2 uptake …
strong influence on the global overturning circulation, ocean heat and CO2 uptake …
Late Eocene Southern Ocean cooling and invigoration of circulation preconditioned Antarctica for full‐scale glaciation
Abstract During the Eocene‐Oligocene Transition (EOT; 34–33.5 Ma), Antarctic ice sheets
relatively rapidly expanded, leading to the first continent‐scale glaciation of the Cenozoic …
relatively rapidly expanded, leading to the first continent‐scale glaciation of the Cenozoic …
Quantifying the effect of the Drake Passage opening on the Eocene Ocean
The opening of the Drake Passage (DP) during the Cenozoic is a tectonic event of
paramount importance for the development of modern ocean characteristics. Notably, it has …
paramount importance for the development of modern ocean characteristics. Notably, it has …
Late Eocene record of hydrology and temperature from Prydz Bay, East Antarctica
EJ Tibbett, HD Scher, S Warny… - Paleoceanography …, 2021 - Wiley Online Library
Abstract The Eocene‐Oligocene transition (EOT) marks the onset of Antarctic glaciation at
33.7 Ma. Although the benthic oxygen isotope record defines the major continental ice sheet …
33.7 Ma. Although the benthic oxygen isotope record defines the major continental ice sheet …
Drake Passage gateway opening and Antarctic Circumpolar Current onset 31 Ma ago: The message of foraminifera and reconsideration of the Neodymium isotope …
The establishment of the Antarctic Circumpolar Current (ACC) is one of the most important
events of the Cenozoic for both global oceanic circulation and climate. The onset of this …
events of the Cenozoic for both global oceanic circulation and climate. The onset of this …
Late oligocene-miocene proto-antarctic circumpolar current dynamics off the Wilkes Land margin, East Antarctica
Abstract At present, the Southern Ocean plays an important role in the global climate system
and in modern Antarctic ice sheet dynamics. Past Southern Ocean configurations are …
and in modern Antarctic ice sheet dynamics. Past Southern Ocean configurations are …
Biogenic silica accumulation and diatom assemblage variations through the Eocene-Oligocene Transition: A Southern Indian Ocean versus South Atlantic perspective
It is widely interpreted that there is a significant link between climate cooling at the Eocene-
Oligocene Transition (EOT;∼ 34 Ma) and subsequent diatom proliferation in the world's …
Oligocene Transition (EOT;∼ 34 Ma) and subsequent diatom proliferation in the world's …
Absence of a strong, deep-reaching Antarctic Circumpolar Current zonal flow across the Tasmanian gateway during the Oligocene to early Miocene
The vigorous eastward flow of the Antarctic Circumpolar Current (ACC) connects all major
ocean basins and plays a prominent role in the transport of heat, carbon and nutrients …
ocean basins and plays a prominent role in the transport of heat, carbon and nutrients …
Late Eocene to early Oligocene productivity events in the proto-Southern Ocean and correlation to climate change
G Rodrigues de Faria, D Lazarus, J Renaudie… - Climate of the …, 2024 - cp.copernicus.org
Abstract The Eocene–Oligocene transition (EOT, ca. 40–33 Ma) marks a transformation from
a largely ice-free to an icehouse climate mode that is well recorded by oxygen-stable …
a largely ice-free to an icehouse climate mode that is well recorded by oxygen-stable …