Articles | Volume 11, issue 2
https://doi.org/10.5194/cp-11-135-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/cp-11-135-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Early deglacial Atlantic overturning decline and its role in atmospheric CO2 rise inferred from carbon isotopes (δ13C)
A. Schmittner
CORRESPONDING AUTHOR
College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, Oregon, USA
D. C. Lund
Department of Marine Sciences, University of Connecticut, USA
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70 citations as recorded by crossref.
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- Carbon isotopes characterize rapid changes in atmospheric carbon dioxide during the last deglaciation T. Bauska et al. 10.1073/pnas.1513868113
- What do benthic δ13C and δ18O data tell us about Atlantic circulation during Heinrich Stadial 1? D. Oppo et al. 10.1002/2014PA002667
- Last Century Warming Over the Canadian Atlantic Shelves Linked to Weak Atlantic Meridional Overturning Circulation B. Thibodeau et al. 10.1029/2018GL080083
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- Synchronous centennial abrupt events in the ocean and atmosphere during the last deglaciation T. Chen et al. 10.1126/science.aac6159
- Southern Hemisphere westerlies as a driver of the early deglacial atmospheric CO2 rise L. Menviel et al. 10.1038/s41467-018-04876-4
- Water mass gradients of the mid-depth Southwest Atlantic during the past 25,000 years F. Pöppelmeier et al. 10.1016/j.epsl.2019.115963
- Response of the carbon cycle in an intermediate complexity model to the different climate configurations of the last nine interglacials N. Bouttes et al. 10.5194/cp-14-239-2018
- Dissolved Inorganic Carbon (δ13С(DIC), [DIC]) in Waters of the Western Bering Sea E. Dubinina et al. 10.1134/S000143702470036X
- Origin of δ13C minimum events in thermocline and intermediate waters of the western South Atlantic R. Nascimento et al. 10.1016/j.quascirev.2021.107224
- A multi-model assessment of the early last deglaciation (PMIP4 LDv1): a meltwater perspective B. Snoll et al. 10.5194/cp-20-789-2024
- Temperature-dependent ocean–atmosphere equilibration of carbon isotopes in surface and intermediate waters over the deglaciation J. Lynch-Stieglitz et al. 10.1016/j.epsl.2018.11.024
- Constraining Millennial‐Scale Changes in Northern Component Water Ventilation in the Western Tropical South Atlantic M. Campos et al. 10.1029/2020PA003876
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- Asynchronous warming and δ 18 O evolution of deep Atlantic water masses during the last deglaciation J. Zhang et al. 10.1073/pnas.1704512114
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- Controls on Millennial‐Scale Atmospheric CO2 Variability During the Last Glacial Period T. Bauska et al. 10.1029/2018GL077881
- Enhanced δ13C and δ18O Differences Between the South Atlantic and South Pacific During the Last Glaciation: The Deep Gateway Hypothesis E. Sikes et al. 10.1002/2017PA003118
- Deglacial carbon cycle changes observed in a compilation of 127 benthic δ13C time series (20–6 ka) C. Peterson & L. Lisiecki 10.5194/cp-14-1229-2018
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- Centennial-millennial scale ocean-climate variability in the northeastern Atlantic across the last three terminations H. Singh et al. 10.1016/j.gloplacha.2023.104100
- Complementary constraints from carbon (13C) and nitrogen (15N) isotopes on the glacial ocean's soft‐tissue biological pump A. Schmittner & C. Somes 10.1002/2015PA002905
- Atlantic Ocean Ventilation Changes Across the Last Deglaciation and Their Carbon Cycle Implications L. Skinner et al. 10.1029/2020PA004074
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- The penultimate deglaciation: protocol for Paleoclimate Modelling Intercomparison Project (PMIP) phase 4 transient numerical simulations between 140 and 127 ka, version 1.0 L. Menviel et al. 10.5194/gmd-12-3649-2019
- Timing of Deglacial AMOC Variability From a High‐Resolution Seawater Cadmium Reconstruction S. Valley et al. 10.1002/2017PA003099
- Deglacial Temperature and Carbonate Saturation State Variability in the Tropical Atlantic at Antarctic Intermediate Water Depths D. Oppo et al. 10.1029/2023PA004674
- Mechanisms of millennial-scale atmospheric CO2 change in numerical model simulations J. Gottschalk et al. 10.1016/j.quascirev.2019.05.013
- Carbon isotope minima in the South Atlantic during the last deglaciation: evaluating the influence of air-sea gas exchange D. Lund et al. 10.1088/1748-9326/ab126f
- Impact of oceanic circulation changes on atmospheric δ13CO2 L. Menviel et al. 10.1002/2015GB005207
- Simulated radiocarbon cycle revisited by considering the bipolar seesaw and benthic 14C data P. Köhler et al. 10.1016/j.epsl.2024.118801
- Two‐Timescale Carbon Cycle Response to an AMOC Collapse S. Nielsen et al. 10.1029/2018PA003481
- Assessing the potential capability of reconstructing glacial Atlantic water masses and AMOC using multiple proxies in CESM S. Gu et al. 10.1016/j.epsl.2020.116294
- Understanding the causes and consequences of past marine carbon cycling variability through models D. Hülse et al. 10.1016/j.earscirev.2017.06.004
- A new perspective on West African hydroclimate during the last deglaciation A. Parker et al. 10.1016/j.epsl.2016.05.038
- Active North Atlantic deepwater formation during Heinrich Stadial 1 J. Repschläger et al. 10.1016/j.quascirev.2021.107145
- Glacial-to-deglacial changes in North Atlantic meltwater advection and deep-water formation – Centennial-to-millennial-scale 14C records from the Azores plateau S. Balmer & M. Sarnthein 10.1016/j.gca.2018.03.001
- Evolution of the Global Overturning Circulation since the Last Glacial Maximum based on marine authigenic neodymium isotopes J. Du et al. 10.1016/j.quascirev.2020.106396
- North Atlantic deep water formation and AMOC in CMIP5 models C. Heuzé 10.5194/os-13-609-2017
- Southern Ocean link between changes in atmospheric CO2 levels and northern-hemisphere climate anomalies during the last two glacial periods J. Gottschalk et al. 10.1016/j.quascirev.2019.106067
- Plateaus and jumps in the atmospheric radiocarbon record – potential origin and value as global age markers for glacial-to-deglacial paleoceanography, a synthesis M. Sarnthein et al. 10.5194/cp-16-2547-2020
- North Atlantic ocean circulation and abrupt climate change during the last glaciation L. Henry et al. 10.1126/science.aaf5529
- Data Constraints on Glacial Atlantic Water Mass Geometry and Properties D. Oppo et al. 10.1029/2018PA003408
- Southwest Atlantic water mass evolution during the last deglaciation D. Lund et al. 10.1002/2014PA002657
- Less Remineralized Carbon in the Intermediate‐Depth South Atlantic During Heinrich Stadial 1 M. Lacerra et al. 10.1029/2018PA003537
- Remineralization dominating the δ13C decrease in the mid-depth Atlantic during the last deglaciation S. Gu et al. 10.1016/j.epsl.2021.117106
- <i>δ</i><sup>13</sup>C decreases in the upper western South Atlantic during Heinrich Stadials 3 and 2 M. Campos et al. 10.5194/cp-13-345-2017
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- Similar mid-depth Atlantic water mass provenance during the Last Glacial Maximum and Heinrich Stadial 1 J. Howe et al. 10.1016/j.epsl.2018.03.006
- Assessing transient changes in the ocean carbon cycle during the last deglaciation through carbon isotope modeling H. Kobayashi et al. 10.5194/cp-20-769-2024
- Different precipitation patterns across tropical South America during Heinrich and Dansgaard-Oeschger stadials Y. Zhang et al. 10.1016/j.quascirev.2017.10.012
- Millennial-scale variability of Indian summer monsoon constrained by the western Bay of Bengal sediments: Implication from geochemical proxies of sea surface salinity and river runoff Y. Ota et al. 10.1016/j.gloplacha.2021.103719
- Glacial water mass structure and rapid δ18O and δ13C changes during the last glacial termination in the Southwest Pacific E. Sikes et al. 10.1016/j.epsl.2016.09.043
- Thermodynamic air-sea equilibration controls carbon isotopic composition of the South Atlantic thermocline during the last glacial period T. Pinho et al. 10.1016/j.gloplacha.2023.104223
- Millennial changes in North Atlantic oxygen concentrations B. Hoogakker et al. 10.5194/bg-13-211-2016
- A potential feedback loop underlying glacial-interglacial cycles E. Weinans et al. 10.1007/s00382-021-05724-w
- Hydrothermal scavenging of 230Th on the Southern East Pacific Rise during the last deglaciation D. Lund et al. 10.1016/j.epsl.2018.12.037
2 citations as recorded by crossref.
- 231Pa/230Th evidence for a weakened but persistent Atlantic meridional overturning circulation during Heinrich Stadial 1 L. Bradtmiller et al. 10.1038/ncomms6817
- Deglacial climate, carbon cycle and ocean chemistry changes in response to a terrestrial carbon release C. Simmons et al. 10.1007/s00382-015-2646-6
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Latest update: 21 Nov 2024
Short summary
Model simulations of carbon isotope changes as a result of a reduction in the Atlantic Meridional Overturning Circulation (AMOC) agree well with sediment data from the early last deglaciation, supporting the idea that the AMOC was substantially reduced during that time period of global warming. We hypothesize, and present supporting evidence, that changes in the AMOC may have caused the coeval rise in atmospheric CO2, owing to a reduction in the efficiency of the ocean's biological pump.
Model simulations of carbon isotope changes as a result of a reduction in the Atlantic...