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

Summary for general audience: We used carbon stable isotope data from an Antarctic ice core to evaluate which mechanisms caused changes in atmospheric carbon dioxide 74-59 thousand years ago, including a ~40 ppm decrease at the beginning of the last ice age.

Bibliographic Details
Published in:Nature Communications
Main Authors: James A. Menking, Sarah A. Shackleton, Thomas K. Bauska, Aron M. Buffen, Edward J. Brook, Stephen Barker, Jeffrey P. Severinghaus, Michael N. Dyonisius, Vasilii V. Petrenko
Format: Article in Journal/Newspaper
Language:English
Published: Nature Portfolio 2022
Subjects:
Science
Q
Antarctic
Antarc*
ice core
Online Access:https://doi.org/10.1038/s41467-022-33166-3
https://doaj.org/article/b84f66f8f22647a1a7ad5ff44655adbb
Description
Summary:Summary for general audience: We used carbon stable isotope data from an Antarctic ice core to evaluate which mechanisms caused changes in atmospheric carbon dioxide 74-59 thousand years ago, including a ~40 ppm decrease at the beginning of the last ice age.

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