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Articles | Volume 23, issue 3
Articles | Volume 23, issue 3
https://doi.org/10.5194/bg-23-967-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/bg-23-967-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 23, issue 3
Research article
 | 
03 Feb 2026
Research article |  | 03 Feb 2026

Reconstruction and spatiotemporal analysis of global surface ocean pCO2 considering sea area characteristics

Huisheng Wu, Yunlong Ji, Lejie Wang, Xiaoke Liu, Wenliang Zhou, Long Cui, Yang Wang, Min Liu, and Zhuang Li

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Short summary
This study reconstructs global ocean surface pCO2 (2000–2019) using multi-source data and machine learning, identifying Random Forest (RF) as the optimal model and revealing equatorial-high/polar-low patterns with rising trends.
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