[HTML][HTML] Enhanced ocean oxygenation during Cenozoic warm periods

A Auderset, S Moretti, B Taphorn, PR Ebner, E Kast… - Nature, 2022 - nature.com
Dissolved oxygen (O2) is essential for most ocean ecosystems, fuelling organisms'
respiration and facilitating the cycling of carbon and nutrients. Oxygen measurements have …

[HTML][HTML] Intensified organic carbon burial on the Australian shelf after the Middle Pleistocene transition

G Auer, B Petrick, T Yoshimura, BL Mamo… - Quaternary Science …, 2021 - Elsevier
Abstract The Middle Pleistocene Transition (MPT) represents a major change in Earth's
climate state, exemplified by the switch from obliquity-dominated to∼ 100-kyr …

Southern Ocean upwelling, Earth's obliquity, and glacial-interglacial atmospheric CO2 change

XE Ai, AS Studer, DM Sigman, A Martínez-García… - Science, 2020 - science.org
Previous studies have suggested that during the late Pleistocene ice ages, surface-deep
exchange was somehow weakened in the Southern Ocean's Antarctic Zone, which reduced …

[HTML][HTML] Penultimate deglaciation Asian monsoon response to North Atlantic circulation collapse

JA Wassenburg, HB Vonhof, H Cheng… - Nature …, 2021 - nature.com
During glacial terminations, massive iceberg discharges and meltwater pulses in the North
Atlantic triggered a shutdown of the Atlantic Meridional Overturning Circulation (AMOC) …

Coupled Southern Ocean cooling and Antarctic ice sheet expansion during the middle Miocene

TJ Leutert, A Auderset, A Martínez-García… - Nature …, 2020 - nature.com
The middle Miocene climate transition (~ 14 million years ago) was characterized by a
dramatic increase in the volume of the Antarctic ice sheet. The driving mechanism of this …

[HTML][HTML] Glacial heterogeneity in Southern Ocean carbon storage abated by fast South Indian deglacial carbon release

J Gottschalk, E Michel, LM Thöle, AS Studer… - Nature …, 2020 - nature.com
Past changes in ocean 14C disequilibria have been suggested to reflect the Southern
Ocean control on global exogenic carbon cycling. Yet, the volumetric extent of the glacial …

[HTML][HTML] Weakened AMOC related to cooling and atmospheric circulation shifts in the last interglacial Eastern Mediterranean

EJ Levy, HB Vonhof, M Bar-Matthews… - Nature …, 2023 - nature.com
There is limited understanding of temperature and atmospheric circulation changes that
accompany an Atlantic Meridional Overturning Circulation (AMOC) slowdown beyond the …

A marine record of Patagonian ice sheet changes over the past 140,000 years

JR Hagemann, F Lamy, HW Arz… - Proceedings of the …, 2024 - National Acad Sciences
Terrestrial glacial records from the Patagonian Andes and New Zealand Alps document
quasi-synchronous Southern Hemisphere–wide glacier advances during the late …

Contrasting intensity of aragonite dissolution and dolomite cementation in glacial versus interglacial intervals of a subtropical carbonate succession

L Reuning, H Deik, B Petrick, G Auer… - …, 2022 - Wiley Online Library
Aragonite and high‐Mg calcite are abundant in modern, neritic carbonate systems but
almost absent in their fossil counterparts. Dissolution of these metastable mineral phases …

[HTML][HTML] The southward migration of the Antarctic Circumpolar Current enhanced oceanic degassing of carbon dioxide during the last two deglaciations

XE Ai, LM Thöle, A Auderset, M Schmitt… - … Earth & Environment, 2024 - nature.com
Previous studies suggest that meridional migrations of the Antarctic Circumpolar Current
may have altered wind-driven upwelling and carbon dioxide degassing in the Southern …