Southern Ocean glacial conditions and their influence on deglacial events

EL Sikes, NE Umling, KA Allen… - Nature Reviews Earth & …, 2023 - nature.com
Abstract The Southern Ocean is an important regulator of global CO2 levels and likely had a
key role in lowering atmospheric CO2 levels during the Last Glacial Maximum (LGM) and …

Evolution of the Global Overturning Circulation since the Last Glacial Maximum based on marine authigenic neodymium isotopes

J Du, BA Haley, AC Mix - Quaternary Science Reviews, 2020 - Elsevier
Abstract The Global Overturning Circulation is linked to climate change on glacial-
interglacial and multi-millennial timescales. The understanding of past climate-circulation …

Widespread lithogenic control of marine authigenic neodymium isotope records? Implications for paleoceanographic reconstructions

AN Abbott, SC Löhr, A Payne, H Kumar, J Du - … et Cosmochimica Acta, 2022 - Elsevier
Our understanding of past ocean-climate dynamics is informed by multiple paleocirculation
proxies including δ 13 C, 231 Pa/230 Th, and radiogenic neodymium isotopes (ε Nd). Of …

Last glacial atmospheric CO2 decline due to widespread Pacific deep-water expansion

J Yu, L Menviel, ZD **, RF Anderson, Z Jian… - Nature …, 2020 - nature.com
Ocean circulation critically affects the global climate and atmospheric carbon dioxide
through redistribution of heat and carbon in the Earth system. Despite intensive research …

Evidence for a Northern Hemispheric trigger of the 100,000-y glacial cyclicity

M Yehudai, J Kim, LD Pena, M Jaume-Seguí… - Proceedings of the …, 2021 - pnas.org
The causes of the Mid-Pleistocene Transition, the shift from∼ 41-ky to 100-ky interglacial–
glacial cycles and more intense ice ages, remain intensely debated, as this fundamental …

Millennial and centennial CO2 release from the Southern Ocean during the last deglaciation

J Yu, DW Oppo, Z **, M Lacerra, X Ji, NE Umling… - Nature …, 2022 - nature.com
For its greenhouse effects, atmospheric CO2 can critically influence the global climate on
millennial and centennial timescales. Pleistocene atmospheric CO2 variations must involve …

Neodymium isotopes as a paleo-water mass tracer: A model-data reassessment

F Pöppelmeier, J Lippold, P Blaser, M Gutjahr… - Quaternary Science …, 2022 - Elsevier
Proxy reconstructions from deep ocean sediments have helped to shape our understanding
of the role of the global overturning circulation in past climate change. Neodymium (Nd) …

Northern-sourced water dominated the Atlantic Ocean during the Last Glacial Maximum

F Pöppelmeier, P Blaser, M Gutjahr… - …, 2020 - pubs.geoscienceworld.org
Increased carbon sequestration in the ocean subsurface is commonly assumed to have
been one of the main causes responsible for lower glacial atmospheric CO2 concentrations …

Millennial variability in intermediate ocean circulation and Indian monsoonal weathering inputs during the last deglaciation and Holocene

Z Yu, C Colin, DJ Wilson, G Bayon… - Geophysical …, 2022 - Wiley Online Library
The relationship between ocean circulation and monsoon systems over orbital to sub‐
millennial timescales is a crucial but poorly constrained component of the climate system …

Last deglacial abrupt climate changes caused by meltwater pulses in the Labrador Sea

D You, R Stein, K Fahl, MC Williams… - … Earth & Environment, 2023 - nature.com
Freshwater perturbations are often thought to be associated with abrupt climate changes
during the last deglaciation, while many uncertainties remain regarding the exact timing …