Atlantic Ocean ventilation changes across the last deglaciation and their carbon cycle implications

LC Skinner, E Freeman, D Hodell… - Paleoceanography …, 2021 - Wiley Online Library
Abstract Changes in ocean ventilation, controlled by both overturning rates and air‐sea gas
exchange, are thought to have played a central role in atmospheric CO2 rise across the last …

North Atlantic versus Southern Ocean contributions to a deglacial surge in deep ocean ventilation

LC Skinner, AE Scrivner, D Vance, S Barker… - …, 2013 - pubs.geoscienceworld.org
Past glacial-interglacial climate transitions were accompanied by millennial-scale pulses in
atmospheric CO2 that are widely thought to have resulted from the release of CO2 via the …

Radiocarbon evidence for alternating northern and southern sources of ventilation of the deep Atlantic carbon pool during the last deglaciation

LC Skinner, C Waelbroeck… - Proceedings of the …, 2014 - National Acad Sciences
Recent theories for glacial–interglacial climate transitions call on millennial climate
perturbations that purged the deep sea of sequestered carbon dioxide via a “bipolar …

[HTML][HTML] An Atlantic–Pacific ventilation seesaw across the last deglaciation

E Freeman, LC Skinner, A Tisserand, T Dokken… - Earth and Planetary …, 2015 - Elsevier
It has been proposed that the rapid rise of atmospheric CO 2 across the last deglaciation
was driven by the release of carbon from an extremely radiocarbon-depleted abyssal ocean …

[HTML][HTML] Biological and physical controls in the Southern Ocean on past millennial-scale atmospheric CO2 changes

J Gottschalk, LC Skinner, J Lippold, H Vogel… - Nature …, 2016 - nature.com
Millennial-scale climate changes during the last glacial period and deglaciation were
accompanied by rapid changes in atmospheric CO2 that remain unexplained. While the role …

Deep ocean ventilation, carbon isotopes, marine sedimentation and the deglacial CO2 rise

T Tschumi, F Joos, M Gehlen, C Heinze - Climate of the Past, 2011 - cp.copernicus.org
The link between the atmospheric CO 2 level and the ventilation state of the deep ocean is
an important building block of the key hypotheses put forth to explain glacial-interglacial CO …

[HTML][HTML] North Atlantic deep water production during the Last Glacial Maximum

JNW Howe, AM Piotrowski, TL Noble, S Mulitza… - Nature …, 2016 - nature.com
Abstract Changes in deep ocean ventilation are commonly invoked as the primary cause of
lower glacial atmospheric CO2. The water mass structure of the glacial deep Atlantic Ocean …

Abyssal Atlantic circulation during the Last Glacial Maximum: Constraining the ratio between transport and vertical mixing

DC Lund, JF Adkins, R Ferrari - Paleoceanography, 2011 - Wiley Online Library
The ocean's role in regulating atmospheric carbon dioxide on glacial‐interglacial timescales
remains an unresolved issue in paleoclimatology. Reduced mixing between deep water …

Rapid transient changes in northeast Atlantic deep water ventilation age across Termination I

LC Skinner, NJ Shackleton - Paleoceanography, 2004 - Wiley Online Library
A sequence of accelerator mass spectrometry (AMS) 14C dates performed on benthic and
planktonic foraminifera from a northeast Atlantic deep‐sea core (MD99‐2334K; 37° 48′ N …

[HTML][HTML] Synchronous deglacial thermocline and deep-water ventilation in the eastern equatorial Pacific

NE Umling, RC Thunell - Nature communications, 2017 - nature.com
The deep ocean is most likely the primary source of the radiocarbon-depleted CO2 released
to the atmosphere during the last deglaciation. While there are well-documented millennial …