Articles | Volume 18, issue 2
https://doi.org/10.5194/cp-18-183-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-18-183-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
02 Feb 2022
Research article |
| 02 Feb 2022
| 02 Feb 2022
Atmospheric CO2 estimates for the Miocene to Pleistocene based on foraminiferal δ11B at Ocean Drilling Program Sites 806 and 807 in the Western Equatorial Pacific
Maxence Guillermic
CORRESPONDING AUTHOR
Department of Atmospheric and Oceanic Sciences, Department of Earth,
Planetary, and Space Sciences, Center for Diverse Leadership in Science,
Institute of the Environment and Sustainability, University of California –
Los Angeles, Los Angeles, CA 90095 USA
Laboratoire Géosciences Océan UMR6538, UBO, Institut
Universitaire Européen de la Mer, Rue Dumont d'Urville, 29280,
Plouzané, France
Sambuddha Misra
Indian Institute of Science, Centre for Earth Sciences, Bengaluru,
Karnataka 560012, India
The Godwin Laboratory for Palaeoclimate Research, Department of Earth
Sciences, University of Cambridge, Cambridge, UK
Robert Eagle
Department of Atmospheric and Oceanic Sciences, Department of Earth,
Planetary, and Space Sciences, Center for Diverse Leadership in Science,
Institute of the Environment and Sustainability, University of California –
Los Angeles, Los Angeles, CA 90095 USA
Laboratoire Géosciences Océan UMR6538, UBO, Institut
Universitaire Européen de la Mer, Rue Dumont d'Urville, 29280,
Plouzané, France
Aradhna Tripati
CORRESPONDING AUTHOR
Department of Atmospheric and Oceanic Sciences, Department of Earth,
Planetary, and Space Sciences, Center for Diverse Leadership in Science,
Institute of the Environment and Sustainability, University of California –
Los Angeles, Los Angeles, CA 90095 USA
Laboratoire Géosciences Océan UMR6538, UBO, Institut
Universitaire Européen de la Mer, Rue Dumont d'Urville, 29280,
Plouzané, France
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- Cold spells over Greenland during the mid-Pliocene Warm Period I. Sousa et al. 10.1038/s41467-025-56996-3
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- Intensification of Asian dust storms during the Mid-Pliocene Warm Period (3.25–2.96 Ma) documented in a sediment core from the South China Sea F. Süfke et al. 10.1016/j.quascirev.2022.107669
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- Determination of boron isotopic compositions in five fractions of soil boron: traces of the environmental behavior of boron in soil X. Chen et al. 10.1039/D4JA00286E
20 citations as recorded by crossref.
- Atmospheric CO2 Concentration Based on Boron Isotopes Versus Simulations of the Global Carbon Cycle During the Plio‐Pleistocene P. Köhler 10.1029/2022PA004439
- The potential role of insolation in the long-term climate evolution since the early Pleistocene X. Ma et al. 10.1016/j.gloplacha.2024.104526
- Paleosols in the Red-Colored Sediment Complex of the Cis-Sayan Basin (Southeastern Siberia) V. Golubtsov & O. Khokhlova 10.1134/S1064229324603421
- Cold spells over Greenland during the mid-Pliocene Warm Period I. Sousa et al. 10.1038/s41467-025-56996-3
- Reconstructing CO2 uptake capacity and pH dynamics in the Middle Ordovician Taebaeksan Basin, Korea S. Bang & Y. Huh 10.1016/j.palaeo.2024.112520
- Middle Miocene evolution of East Asian summer monsoon precipitation in the northeast part of the Tibetan Plateau based on a quantitative analysis of palynological records Z. Hui et al. 10.1016/j.palaeo.2023.111808
- Late Miocene-early Pliocene hydroclimate evolution of the western Altiplano, northern Chile: Implications for aridification trends under warming climate conditions C. Mentzer et al. 10.1016/j.gloplacha.2024.104674
- Estimating Coccolithophore PIC:POC Based on Coccosphere and Coccolith Geometry X. Jin & C. Liu 10.1029/2022JG007355
- Antarctic tipping points triggered by the mid-Pliocene warm climate J. Blasco et al. 10.5194/cp-20-1919-2024
- International Continental Scientific Drilling Program (ICDP) workshop on the Fucino paleolake project: the longest continuous terrestrial archive in the MEditerranean recording the last 5 Million years of Earth system history (MEME) B. Giaccio et al. 10.5194/sd-33-249-2024
- Intensification of Asian dust storms during the Mid-Pliocene Warm Period (3.25–2.96 Ma) documented in a sediment core from the South China Sea F. Süfke et al. 10.1016/j.quascirev.2022.107669
- Long‐Term Variability in Pliocene North Pacific Ocean Export Production and Its Implications for Ocean Circulation in a Warmer World J. Abell & G. Winckler 10.1029/2022AV000853
- Orbital- and millennial-scale Asian winter monsoon variability across the Pliocene–Pleistocene glacial intensification H. Ao et al. 10.1038/s41467-024-47274-9
- Variations in the biological pump throughout the Miocene: evidence from organic carbon burial in Pacific Ocean sediments M. Lyle & A. Olivarez Lyle 10.5194/cp-20-2685-2024
- Toward a Cenozoic history of atmospheric CO 2 B. Hönisch et al. 10.1126/science.adi5177
- Orbital CO2 reconstruction using boron isotopes during the late Pleistocene, an assessment of accuracy E. de la Vega et al. 10.5194/cp-19-2493-2023
- Predicting trends in atmospheric CO2 across the Mid-Pleistocene Transition using existing climate archives J. Martin et al. 10.5194/cp-20-2487-2024
- Late Cenozoic cooling restructured global marine plankton communities A. Woodhouse et al. 10.1038/s41586-023-05694-5
- Cenozoic Carbon Dioxide: The 66 Ma Solution P. Frank 10.3390/geosciences14090238
- Determination of boron isotopic compositions in five fractions of soil boron: traces of the environmental behavior of boron in soil X. Chen et al. 10.1039/D4JA00286E
Latest update: 01 Apr 2025
Short summary
Here we reconstruct atmospheric CO2 values across major climate transitions over the past 16 million years (Myr) from two sites in the West Pacific Warm Pool using a pH proxy on surface-dwelling foraminifera. We are able to reproduce pCO2 data from ice cores; therefore we apply the same framework to older samples to create a long-term pH and pCO2 reconstruction. We give quantitative constraints on pH and pCO2 changes over the main climate transitions of the last 16 Myr.
Here we reconstruct atmospheric CO2 values across major climate transitions over the past 16...
