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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Marine organic carbon burial could link the 405 thousand year eccentricity cycle in the long-term carbon cycle to that observed in climate records. Here, we simulate the response of the carbon cycle to astronomical forcing. We find a strong 2.4 million year cycle in the model output, which is present as an amplitude modulator of the 405 and 100 thousand year eccentricity cycles in a newly assembled composite record.
CP | Articles | Volume 15, issue 1
Clim. Past, 15, 91–104, 2019
https://doi.org/10.5194/cp-15-91-2019
Clim. Past, 15, 91–104, 2019
https://doi.org/10.5194/cp-15-91-2019

Research article 16 Jan 2019

Research article | 16 Jan 2019

The 405 kyr and 2.4 Myr eccentricity components in Cenozoic carbon isotope records

Ilja J. Kocken et al.

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Cited articles

Bartoli, G., Hönisch, B., and Zeebe, R. E.: Atmospheric CO2 decline during the Pliocene intensification of Northern Hemisphere glaciations, Paleoceanography, 26, 1–14, https://doi.org/10.1029/2010PA002055, 2011. a
Berner, R. A.: Burial of organic carbon and pyrite sulfur in the modern ocean: Its geochemical and environmental significance, 282, 451–473, https://doi.org/10.2475/ajs.282.4.451, 1982. a, b, c
Berner, R. A.: Inclusion of the weathering of volcanic rocks in the GEOCARBSULF model, Am. J. Sci., 306, 295–302, https://doi.org/10.2475/05.2006.01, 2006. a
Berner, R. A., Lasaga, A. C., and Garrels, R. M.: The carbonate-silicate geochemical cycle and its effect on atmospheric carbon dioxide over the past 100 million years, 283, 641–683, https://doi.org/10.2475/ajs.283.7.641, 1983. a, b
Boulila, S., Galbrun, B., Laskar, J., and Pälike, H.: A ~9 myr cycle in Cenozoic δ13C record and long-term orbital eccentricity modulation: Is there a link?, Earth Planet. Sc. Lett., 317/318, 273–281, https://doi.org/10.1016/j.epsl.2011.11.017, 2012. a
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Short summary
Marine organic carbon burial could link the 405 thousand year eccentricity cycle in the long-term carbon cycle to that observed in climate records. Here, we simulate the response of the carbon cycle to astronomical forcing. We find a strong 2.4 million year cycle in the model output, which is present as an amplitude modulator of the 405 and 100 thousand year eccentricity cycles in a newly assembled composite record.
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