Articles | Volume 22, issue 11
https://doi.org/10.5194/cp-22-2015-2026
© Author(s) 2026. 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-22-2015-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
12 Nov 2026
Research article |
| 12 Nov 2026
| 12 Nov 2026
Tree-ring cellulose oxygen isotope reveals summer hydroclimate variability across the East European Plain
Qiaoyun Lin
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
Ru Huang
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
Department of Environment and Biodiversity, University of Salzburg, Salzburg, 5020, Austria
Wenling An
CORRESPONDING AUTHOR
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
Vladimir Matskovsky
Institute of Geography, Russian Academy of Sciences, Moscow, Russia
Olga Solomina
Institute of Geography, Russian Academy of Sciences, Moscow, Russia
Faculty of Geography and Geoinformation Technology, HSE University, Moscow, Russia
Ekaterina Dolgova
Institute of Geography, Russian Academy of Sciences, Moscow, Russia
Yaru Zhao
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
Zhengtang Guo
State Key Laboratory of Lithospheric and Environmental Coevolution, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
College of Earth and Planetary Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
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Haoyue Zuo, Yonggang Liu, Gaojun Li, Zhifang Xu, Liang Zhao, Zhengtang Guo, and Yongyun Hu
Geosci. Model Dev., 17, 3949–3974, https://doi.org/10.5194/gmd-17-3949-2024, https://doi.org/10.5194/gmd-17-3949-2024, 2024
Short summary
Short summary
Compared to the silicate weathering fluxes measured at large river basins, the current models tend to systematically overestimate the fluxes over the tropical region, which leads to an overestimation of the global total weathering flux. The most possible cause of such bias is found to be the overestimation of tropical surface erosion, which indicates that the tropical vegetation likely slows down physical erosion significantly. We propose a way of taking this effect into account in models.
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Short summary
Along the East European Plain latitudinal transect, Scots pine tree-ring cellulose oxygen isotopes (δ18OTRC) increases from north to south and consistently records significant summer hydroclimate signals. Although the dominant controls differ among regions, the northern chronology shows the strongest and most stable vapor pressure deficit signal. Compared with tree-ring width (TRW), δ18OTRC better reflects regional climate information linked to atmospheric humidity and evaporative demand.
Along the East European Plain latitudinal transect, Scots pine tree-ring cellulose oxygen...
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