Articles | Volume 17, issue 5
https://doi.org/10.5194/cp-17-1881-2021
© Author(s) 2021. 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-17-1881-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
23 Sep 2021
Research article |
| 23 Sep 2021
| 23 Sep 2021
The triple oxygen isotope composition of phytoliths, a new proxy of atmospheric relative humidity: controls of soil water isotope composition, temperature, CO2 concentration and relative humidity
Clément Outrequin
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
Christine Vallet-Coulomb
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
Clément Piel
Ecotron Européen de Montpellier, Univ. Montpellier, UPS 3248 CNRS, Campus Baillarguet, Montferrier-sur-Lez, France
Sébastien Devidal
Ecotron Européen de Montpellier, Univ. Montpellier, UPS 3248 CNRS, Campus Baillarguet, Montferrier-sur-Lez, France
Amaelle Landais
Laboratoire des Sciences du Climat et de l'Environnement
(LSCE/IPSL/CEA/CNRS/UVSQ), Gif-sur-Yvette, France
Martine Couapel
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
Jean-Charles Mazur
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
Christophe Peugeot
Hydrosciences Montpellier, IRD, CNRS, Univ. Montpellier, Montpellier, France
Monique Pierre
Laboratoire des Sciences du Climat et de l'Environnement
(LSCE/IPSL/CEA/CNRS/UVSQ), Gif-sur-Yvette, France
Frédéric Prié
Laboratoire des Sciences du Climat et de l'Environnement
(LSCE/IPSL/CEA/CNRS/UVSQ), Gif-sur-Yvette, France
Jacques Roy
Ecotron Européen de Montpellier, Univ. Montpellier, UPS 3248 CNRS, Campus Baillarguet, Montferrier-sur-Lez, France
Corinne Sonzogni
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
Claudia Voigt
CNRS, Aix Marseille Univ, IRD, INRA, CEREGE, Aix-en-Provence, France
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Cited
13 citations as recorded by crossref.
- Expanded applicability of the triple oxygen isotope composition of phytoliths as an indicator of atmospheric relative humidity A. Alexandre et al. https://doi.org/10.1073/pnas.2534827123
- Triple oxygen isotopes of rice (Oryza sativa L.) phytoliths as a quantitative proxy for relative humidity R. Kaushal et al. https://doi.org/10.1016/j.chemgeo.2025.122823
- Reply to Alexandre et al.: Insensitivity of the Δ ′17 O value of equisetum to atmospheric relative humidity Z. Sharp et al. https://doi.org/10.1073/pnas.2604539123
- Middle Miocene Climate and Stable Oxygen Isotopes in Europe Based on Numerical Modeling S. Botsyun et al. https://doi.org/10.1029/2022PA004442
- 17O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedure C. Voigt et al. https://doi.org/10.1002/rcm.9227
- Phytolith-occluded carbon in residues and economic benefits under rice/single-season Zizania latifolia rotation W. Li et al. https://doi.org/10.1016/j.scitotenv.2022.155504
- Separation of sedimentary phytoliths from other biogenic silica particles for triple oxygen isotope analysis C. Mention et al. https://doi.org/10.1016/j.mex.2025.103373
- Examination of the parameters controlling the triple oxygen isotope composition of grass leaf water and phytoliths at a Mediterranean site: a model–data approach C. Voigt et al. https://doi.org/10.5194/bg-20-2161-2023
- Drivers of diurnal and seasonal dynamics of triple oxygen isotopes in atmospheric water vapor and precipitation at a Mediterranean forest site C. Voigt et al. https://doi.org/10.5194/acp-26-9295-2026
- 17O-excess of grass leaf phytoliths across the North American prairies records late-growing season daytime relative humidity M. Guo et al. https://doi.org/10.1016/j.chemgeo.2024.122484
- Petrogenesis of Néma 001, an alkali-rich meteorite from the acapulcoite-lodranite parent body R. Tartèse et al. https://doi.org/10.33063/agc.v1i2.776
- Extreme triple oxygen isotope fractionation in Equisetum Z. Sharp et al. https://doi.org/10.1073/pnas.2507455122
- Exploring the potential of Δ17O in CO2 for determining mesophyll conductance G. Adnew et al. https://doi.org/10.1093/plphys/kiad173
13 citations as recorded by crossref.
- Expanded applicability of the triple oxygen isotope composition of phytoliths as an indicator of atmospheric relative humidity A. Alexandre et al. https://doi.org/10.1073/pnas.2534827123
- Triple oxygen isotopes of rice (Oryza sativa L.) phytoliths as a quantitative proxy for relative humidity R. Kaushal et al. https://doi.org/10.1016/j.chemgeo.2025.122823
- Reply to Alexandre et al.: Insensitivity of the Δ ′17 O value of equisetum to atmospheric relative humidity Z. Sharp et al. https://doi.org/10.1073/pnas.2604539123
- Middle Miocene Climate and Stable Oxygen Isotopes in Europe Based on Numerical Modeling S. Botsyun et al. https://doi.org/10.1029/2022PA004442
- 17O‐excess and d‐excess of atmospheric water vapor measured by cavity ring‐down spectrometry: Evidence of a matrix effect and implication for the calibration procedure C. Voigt et al. https://doi.org/10.1002/rcm.9227
- Phytolith-occluded carbon in residues and economic benefits under rice/single-season Zizania latifolia rotation W. Li et al. https://doi.org/10.1016/j.scitotenv.2022.155504
- Separation of sedimentary phytoliths from other biogenic silica particles for triple oxygen isotope analysis C. Mention et al. https://doi.org/10.1016/j.mex.2025.103373
- Examination of the parameters controlling the triple oxygen isotope composition of grass leaf water and phytoliths at a Mediterranean site: a model–data approach C. Voigt et al. https://doi.org/10.5194/bg-20-2161-2023
- Drivers of diurnal and seasonal dynamics of triple oxygen isotopes in atmospheric water vapor and precipitation at a Mediterranean forest site C. Voigt et al. https://doi.org/10.5194/acp-26-9295-2026
- 17O-excess of grass leaf phytoliths across the North American prairies records late-growing season daytime relative humidity M. Guo et al. https://doi.org/10.1016/j.chemgeo.2024.122484
- Petrogenesis of Néma 001, an alkali-rich meteorite from the acapulcoite-lodranite parent body R. Tartèse et al. https://doi.org/10.33063/agc.v1i2.776
- Extreme triple oxygen isotope fractionation in Equisetum Z. Sharp et al. https://doi.org/10.1073/pnas.2507455122
- Exploring the potential of Δ17O in CO2 for determining mesophyll conductance G. Adnew et al. https://doi.org/10.1093/plphys/kiad173
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Short summary
Continental atmospheric humidity is a key climate parameter poorly captured by global climate models. Model–data comparison approaches that are applicable beyond the instrumental period are essential to progress on this issue but face a lack of quantitative relative humidity proxies. Here, we calibrate the triple oxygen isotope composition of phytoliths as a new quantitative proxy of continental relative humidity suitable for past climate reconstructions.
Continental atmospheric humidity is a key climate parameter poorly captured by global climate...
