Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4

Research output: Contribution to journal › Journal article › Research › peer-review

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Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4. / Menking, James A.; Shackleton, Sarah A.; Bauska, Thomas K.; Buffen, Aron M.; Brook, Edward J.; Barker, Stephen; Severinghaus, Jeffrey P.; Dyonisius, Michael N.; Petrenko, Vasilii V.

In: Nature Communications, Vol. 13, No. 1, 5443, 16.09.2022.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Menking, JA, Shackleton, SA, Bauska, TK, Buffen, AM, Brook, EJ, Barker, S, Severinghaus, JP, Dyonisius, MN & Petrenko, VV 2022, 'Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4', Nature Communications, vol. 13, no. 1, 5443. https://doi.org/10.1038/s41467-022-33166-3

APA

Menking, J. A., Shackleton, S. A., Bauska, T. K., Buffen, A. M., Brook, E. J., Barker, S., Severinghaus, J. P., Dyonisius, M. N., & Petrenko, V. V. (2022). Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4. Nature Communications, 13(1), [5443]. https://doi.org/10.1038/s41467-022-33166-3

Vancouver

Menking JA, Shackleton SA, Bauska TK, Buffen AM, Brook EJ, Barker S et al. Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4. Nature Communications. 2022 Sep 16;13(1). 5443. https://doi.org/10.1038/s41467-022-33166-3

Author

Menking, James A. ; Shackleton, Sarah A. ; Bauska, Thomas K. ; Buffen, Aron M. ; Brook, Edward J. ; Barker, Stephen ; Severinghaus, Jeffrey P. ; Dyonisius, Michael N. ; Petrenko, Vasilii V. / Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4. In: Nature Communications. 2022 ; Vol. 13, No. 1.

Bibtex

@article{7dbd089943a64639986a9ba068905e9e,
title = "Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4",
abstract = "Here we use high-precision carbon isotope data (delta C-13-CO2) to show atmospheric CO2 during Marine Isotope Stage 4 (MIS 4, similar to 70.5-59 ka) was controlled by a succession of millennial-scale processes. Enriched delta C-13-CO2 during peak glaciation suggests increased ocean carbon storage. Variations in delta C-13-CO2 in early MIS 4 suggest multiple processes were active during CO2 drawdown, potentially including decreased land carbon and decreased Southern Ocean air-sea gas exchange superposed on increased ocean carbon storage. CO2 remained low during MIS 4 while delta C-13-CO2 fluctuations suggest changes in Southern Ocean and North Atlantic air-sea gas exchange. A 7 ppm increase in CO2 at the onset of Dansgaard-Oeschger event 19 (72.1 ka) and 27 ppm increase in CO2 during late MIS 4 (Heinrich Stadial 6, similar to 63.5-60 ka) involved additions of isotopically light carbon to the atmosphere. The terrestrial biosphere and Southern Ocean air-sea gas exchange are possible sources, with the latter event also involving decreased ocean carbon storage.",
keywords = "ATMOSPHERIC NITROUS-OXIDE, DEEP SOUTHERN-OCEAN, ANTARCTIC ICE, POLAR ICE, OVERTURNING CIRCULATION, CHRONOLOGY AICC2012, IRON FERTILIZATION, CO2 VARIABILITY, DEGLACIAL RISE, TAYLOR GLACIER",
author = "Menking, {James A.} and Shackleton, {Sarah A.} and Bauska, {Thomas K.} and Buffen, {Aron M.} and Brook, {Edward J.} and Stephen Barker and Severinghaus, {Jeffrey P.} and Dyonisius, {Michael N.} and Petrenko, {Vasilii V.}",
year = "2022",
month = sep,
day = "16",
doi = "10.1038/s41467-022-33166-3",
language = "English",
volume = "13",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "nature publishing group",
number = "1",

}

RIS

TY - JOUR

T1 - Multiple carbon cycle mechanisms associated with the glaciation of Marine Isotope Stage 4

AU - Menking, James A.

AU - Shackleton, Sarah A.

AU - Bauska, Thomas K.

AU - Buffen, Aron M.

AU - Brook, Edward J.

AU - Barker, Stephen

AU - Severinghaus, Jeffrey P.

AU - Dyonisius, Michael N.

AU - Petrenko, Vasilii V.

PY - 2022/9/16

Y1 - 2022/9/16

N2 - Here we use high-precision carbon isotope data (delta C-13-CO2) to show atmospheric CO2 during Marine Isotope Stage 4 (MIS 4, similar to 70.5-59 ka) was controlled by a succession of millennial-scale processes. Enriched delta C-13-CO2 during peak glaciation suggests increased ocean carbon storage. Variations in delta C-13-CO2 in early MIS 4 suggest multiple processes were active during CO2 drawdown, potentially including decreased land carbon and decreased Southern Ocean air-sea gas exchange superposed on increased ocean carbon storage. CO2 remained low during MIS 4 while delta C-13-CO2 fluctuations suggest changes in Southern Ocean and North Atlantic air-sea gas exchange. A 7 ppm increase in CO2 at the onset of Dansgaard-Oeschger event 19 (72.1 ka) and 27 ppm increase in CO2 during late MIS 4 (Heinrich Stadial 6, similar to 63.5-60 ka) involved additions of isotopically light carbon to the atmosphere. The terrestrial biosphere and Southern Ocean air-sea gas exchange are possible sources, with the latter event also involving decreased ocean carbon storage.

AB - Here we use high-precision carbon isotope data (delta C-13-CO2) to show atmospheric CO2 during Marine Isotope Stage 4 (MIS 4, similar to 70.5-59 ka) was controlled by a succession of millennial-scale processes. Enriched delta C-13-CO2 during peak glaciation suggests increased ocean carbon storage. Variations in delta C-13-CO2 in early MIS 4 suggest multiple processes were active during CO2 drawdown, potentially including decreased land carbon and decreased Southern Ocean air-sea gas exchange superposed on increased ocean carbon storage. CO2 remained low during MIS 4 while delta C-13-CO2 fluctuations suggest changes in Southern Ocean and North Atlantic air-sea gas exchange. A 7 ppm increase in CO2 at the onset of Dansgaard-Oeschger event 19 (72.1 ka) and 27 ppm increase in CO2 during late MIS 4 (Heinrich Stadial 6, similar to 63.5-60 ka) involved additions of isotopically light carbon to the atmosphere. The terrestrial biosphere and Southern Ocean air-sea gas exchange are possible sources, with the latter event also involving decreased ocean carbon storage.

KW - ATMOSPHERIC NITROUS-OXIDE

KW - DEEP SOUTHERN-OCEAN

KW - ANTARCTIC ICE

KW - POLAR ICE

KW - OVERTURNING CIRCULATION

KW - CHRONOLOGY AICC2012

KW - IRON FERTILIZATION

KW - CO2 VARIABILITY

KW - DEGLACIAL RISE

KW - TAYLOR GLACIER

U2 - 10.1038/s41467-022-33166-3

DO - 10.1038/s41467-022-33166-3

M3 - Journal article

C2 - 36114188

VL - 13

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 5443

ER -

ID: 320756912