The worldwide marine radiocarbon reservoir effect: definitions, mechanisms, and prospects

EQ Alves, K Macario, P Ascough… - Reviews of …, 2018 - Wiley Online Library
When a carbon reservoir has a lower radiocarbon content than the atmosphere, this is
referred to as a reservoir effect. This is expressed as an offset between the radiocarbon ages …

Stable carbon isotopes in paleoceanography: atmosphere, oceans, and sediments

A Mackensen, G Schmiedl - Earth-Science Reviews, 2019 - Elsevier
Carbon is one of the key elements in organisms and non-living compounds on Earth.
Carbon dioxide and methane are important greenhouse gases in the atmosphere, dissolved …

Southern Hemisphere westerlies as a driver of the early deglacial atmospheric CO2 rise

L Menviel, P Spence, J Yu, MA Chamberlain… - Nature …, 2018 - nature.com
The early part of the last deglaciation is characterised by a~ 40 ppm atmospheric CO2 rise
occurring in two abrupt phases. The underlying mechanisms driving these increases remain …

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

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

Antarctic contribution to meltwater pulse 1A from reduced Southern Ocean overturning

NR Golledge, L Menviel, L Carter, CJ Fogwill… - Nature …, 2014 - nature.com
During the last glacial termination, the upwelling strength of the southern polar limb of the
Atlantic Meridional Overturning Circulation varied, changing the ventilation and stratification …

Southern Ocean drives multidecadal atmospheric CO2 rise during Heinrich Stadials

KA Wendt, C Nehrbass-Ahles, K Niezgoda… - Proceedings of the …, 2024 - pnas.org
The last glacial period was punctuated by cold intervals in the North Atlantic region that
culminated in extensive iceberg discharge events. These cold intervals, known as Heinrich …

Boron isotope evidence for oceanic carbon dioxide leakage during the last deglaciation

MA Martínez-Botí, G Marino, GL Foster, P Ziveri… - Nature, 2015 - nature.com
Atmospheric CO2 fluctuations over glacial–interglacial cycles remain a major challenge to
our understanding of the carbon cycle and the climate system. Leading hypotheses put …

[HTML][HTML] Sequence of events from the onset to the demise of the Last Interglacial: Evaluating strengths and limitations of chronologies used in climatic archives

A Govin, É Capron, PC Tzedakis, S Verheyden… - Quaternary Science …, 2015 - Elsevier
Abstract The Last Interglacial (LIG) represents an invaluable case study to investigate the
response of components of the Earth system to global warming. However, the scarcity of …

Glacial reduction and millennial-scale variations in Drake Passage throughflow

F Lamy, HW Arz, R Kilian, CB Lange… - Proceedings of the …, 2015 - pnas.org
The Drake Passage (DP) is the major geographic constriction for the Antarctic Circumpolar
Current (ACC) and exerts a strong control on the exchange of physical, chemical, and …

Poorly ventilated deep ocean at the Last Glacial Maximum inferred from carbon isotopes: A data‐model comparison study

L Menviel, J Yu, F Joos, A Mouchet… - …, 2017 - Wiley Online Library
Atmospheric CO2 was∼ 90 ppmv lower at the Last Glacial Maximum (LGM) compared to the
late Holocene, but the mechanisms responsible for this change remain elusive. Here we …