Orbital Forcing, Ice Volume, and CO2 Across the Oligocene‐Miocene Transition

R Greenop, SM Sosdian, MJ Henehan… - Paleoceanography …, 2019 - Wiley Online Library
Paleoclimate records suggest that a rapid major transient Antarctic glaciation occurred
across the Oligocene‐Miocene transition (OMT; ca. 23 Ma;~ 50‐m sea level equivalent in …

The Oligocene–Miocene Boundary–Antarctic climate response to orbital forcing

GS Wilson, SF Pekar, TR Naish, S Passchier… - Developments in Earth …, 2008 - Elsevier
Abstract Recent high-resolution Oligocene–Miocene oxygen isotopic records revealed a
relatively transient, ca. 2 myr period, 1‰ amplitude cyclicity in isotopic values (Oi and Mi …

[HTML][HTML] The role of CO2 decline for the onset of Northern Hemisphere glaciation

M Willeit, A Ganopolski, R Calov, A Robinson… - Quaternary Science …, 2015 - Elsevier
Abstract The Pliocene–Pleistocene Transition (PPT), from around 3.2 to 2.5 million years
ago (Ma), represented a major shift in the climate system and was characterized by a …

Evolution of the early Antarctic ice ages

D Liebrand, ATM de Bakker… - Proceedings of the …, 2017 - National Acad Sciences
Understanding the stability of the early Antarctic ice cap in the geological past is of societal
interest because present-day atmospheric CO2 concentrations have reached values …

The respective role of atmospheric carbon dioxide and orbital parameters on ice sheet evolution at the Eocene‐Oligocene transition

JB Ladant, Y Donnadieu, V Lefebvre… - …, 2014 - Wiley Online Library
The continental scale initiation of the Antarctic ice sheet at the Eocene‐Oligocene boundary
(Eocene‐Oligocene transition (EOT), 34 Ma) is associated with a global reorganization of …

[HTML][HTML] Carbon cycle feedbacks during the Oligocene-Miocene transient glaciation

EM Mawbey, CH Lear - Geology, 2013 - pubs.geoscienceworld.org
Ice sheet models suggest that once formed, the large, high-altitude East Antarctic Ice Sheet
was relatively self-stabilizing, due to its cold upper surface. The ice sheet hysteresis problem …

Deglacial ice sheet meltdown: orbital pacemaking and CO2 effects

M Heinemann, A Timmermann, O Elison Timm… - Climate of the …, 2014 - cp.copernicus.org
One hundred thousand years of ice sheet buildup came to a rapid end∼ 25–10 thousand
years before present (ka BP), when ice sheets receded quickly and multi-proxy …

Orbital and CO2 forcing of late Paleozoic continental ice sheets

DE Horton, CJ Poulsen… - Geophysical Research …, 2007 - Wiley Online Library
Contrasting views of the size, duration, and history of the Gondwanan continental ice sheets
have been proposed from late Paleozoic glaciological and sedimentological evidence. To …

Late Eocene to early Miocene ice sheet dynamics and the global carbon cycle

CH Lear, Y Rosenthal, HK Coxall… - …, 2004 - Wiley Online Library
Paired benthic foraminiferal trace metal and stable isotope records have been constructed
from equatorial Pacific Ocean Drilling Program Site 1218. The records include the two …

How obliquity cycles powered early Pleistocene global ice‐volume variability

CR Tabor, CJ Poulsen, D Pollard - Geophysical Research …, 2015 - Wiley Online Library
Milankovitch theory proposes that the magnitude of high‐latitude summer insolation dictates
the continental ice‐volume response by controlling summer snow melt, thus anticipating a …