Climate of the Past
Climate of the Past
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Articles | Volume 19, issue 7
Articles | Volume 19, issue 7
https://doi.org/10.5194/cp-19-1461-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-19-1461-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 7
Research article
 | 
21 Jul 2023
Research article |  | 21 Jul 2023

The effect of the Pliocene temperature pattern on silicate weathering and Pliocene–Pleistocene cooling

Pierre Maffre, John C. H. Chiang, and Nicholas L. Swanson-Hysell

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Publication in NHESS not foreseen
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Cited articles

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, Am. J. Sci., 283, 641–683, https://doi.org/10.2475/ajs.283.7.641, 1983. a
Brierley, C. M. and Fedorov, A. V.: Relative importance of meridional and zonal sea surface temperature gradients for the onset of the ice ages and Pliocene-Pleistocene climate evolution: SST GRADIENTS AND ICE AGES, Paleoceanography, 25, PA2214, https://doi.org/10.1029/2009PA001809, 2010. a
Brierley, C. M., Fedorov, A. V., Liu, Z., Herbert, T. D., Lawrence, K. T., and LaRiviere, J. P.: Greatly Expanded Tropical Warm Pool and Weakened Hadley Circulation in the Early Pliocene, Science, 323, 1714–1718, https://doi.org/10.1126/science.1167625, 2009. a, b, c, d, e, f, g, h
Burls, N. J. and Fedorov, A. V.: What Controls the Mean East–West Sea Surface Temperature Gradient in the Equatorial Pacific: The Role of Cloud Albedo, J. Climate, 27, 2757–2778, https://doi.org/10.1175/JCLI-D-13-00255.1, 2014. a, b, c, d, e, f, g, h, i
Burls, N. J. and Fedorov, A. V.: Wetter subtropics in a warmer world: Contrasting past and future hydrological cycles, P. Natl. Acad. Sci. USA, 114, 12888–12893, https://doi.org/10.1073/pnas.1703421114, 2017. a, b, c, d, e
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CO2 consumption by chemical alteration of continental silicate rocks regulates atmospheric CO2 and Earth's mean climate. The efficiency of this regulation is affected by the amount of continental precipitation and may have been reduced 3 to 4 million years ago because of different patterns of sea surface temperature. This process could have contributed to the warmer climate of that time.
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