Carbon isotope budget indicates biological disequilibrium dominated ocean carbon storage at the Last Glacial Maximum

AW Omta, CL Follett, JM Lauderdale… - Nature …, 2024 - nature.com
Understanding the causes of the~ 90 ppmv atmospheric CO2 swings between glacial and
interglacial climates is an important open challenge in paleoclimate research. Although the …

[HTML][HTML] Impact of Southern Ocean surface conditions on deep ocean circulation during the LGM: a model analysis

F Lhardy, N Bouttes, DM Roche, X Crosta… - Climate of the …, 2021 - cp.copernicus.org
Abstract Changes in water mass distribution are considered to be a significant contributor to
the atmospheric CO 2 concentration drop to around 186 ppm recorded during the Last …

[HTML][HTML] Glacial state of the global carbon cycle: time-slice simulations for the last glacial maximum with an Earth-system model

T Kurahashi-Nakamura, A Paul, U Merkel… - Climate of the …, 2022 - cp.copernicus.org
Three time-slice carbon cycle simulations for the last glacial maximum (LGM) constrained by
the CO 2 concentration in the atmosphere and the increase in the mean concentration of …

Carbon isotopes in the marine biogeochemistry model FESOM2. 1-REcoM3

M Butzin, Y Ye, C Völker, Ö Gürses… - Geoscientific Model …, 2024 - gmd.copernicus.org
In this paper we describe the implementation of the carbon isotopes 13 C and 14 C
(radiocarbon) into the marine biogeochemistry model REcoM3. The implementation is tested …

Glacial Atlantic carbon storage enhanced by a shallow AMOC and marine aggregates sinking

B Liu, J Maerz, T Ilyina - Geophysical Research Letters, 2024 - Wiley Online Library
Representing glacial‐interglacial changes in ocean carbon sequestration remains a major
challenge for Earth System Models (ESMs). Uncertainties in ocean circulation and biological …

A first intercomparison of the simulated LGM carbon results within PMIP‐Carbon: role of the ocean boundary conditions

F Lhardy, N Bouttes, DM Roche… - Paleoceanography …, 2021 - Wiley Online Library
Abstract Model intercomparison studies of coupled carbon‐climate simulations have the
potential to improve our understanding of the processes explaining the drawdown at the …

[HTML][HTML] Modelling Mediterranean ocean biogeochemistry of the Last Glacial Maximum

KD Six, U Mikolajewicz, G Schmiedl - Climate of the Past, 2024 - cp.copernicus.org
We present results of simulations performed with a physical–biogeochemical ocean model
of the Mediterranean Sea for the Last Glacial Maximum (LGM) and analyse the differences …

Atlantic circulation changes across a stadial-interstadial transition

C Waelbroeck, J Tjiputra, C Guo… - Climate of the Past …, 2022 - cp.copernicus.org
We combine consistently dated benthic carbon isotopic records distributed over the entire
Atlantic Ocean with numerical simulations performed by a glacial configuration of the …

Modeling Mediterranean ocean biogeochemistry of the Last Glacial Maximum

KD Six, U Mikolajewicz… - Climate of the Past …, 2024 - cp.copernicus.org
We present results of simulations performed with a physical–biogeochemical ocean model
of the Mediterranean Sea for the Last Glacial Maximum (LGM) and analyse the differences …

Sediment fluxes dominate glacial-interglacial changes in ocean carbon inventory: results from factorial simulations over the past 780,000 years

M Adloff, A Jeltsch-Thömmes, F Pöppelmeier… - …, 2024 - egusphere.copernicus.org
Atmospheric CO 2 concentrations changed over ice age cycles due to net exchange fluxes
between land, ocean, ocean sediments, atmosphere, and the lithosphere. Marine sediment …