Articles | Volume 15, issue 12
https://doi.org/10.5194/essd-15-5597-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/essd-15-5597-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
GTWS-MLrec: global terrestrial water storage reconstruction by machine learning from 1940 to present
State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan, Hubei, PR China
Louise J. Slater
School of Geography and the Environment, University of Oxford, Oxford, UK
Abdou Khouakhi
School of Water, Energy and Environment, Cranfield Environment Centre, Cranfield University, Cranfield, UK
Department of Earth System Science, Ministry of Education Key Laboratory for Earth System Modeling, Institute for Global Change Studies, Tsinghua University, Beijing, China
Ministry of Education Ecological Field Station for East Asian Migratory Birds, Beijing, China
Department of Earth System Science, Xi’an Institute of Surveying and Mapping Joint Research Center for Next-Generation Smart Mapping, Tsinghua University, Beijing, China
State Key Laboratory of Water Resources Engineering and Management, Wuhan University, Wuhan, Hubei, PR China
Fupeng Li
Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany
Yadu Pokhrel
Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI, USA
Pierre Gentine
Department of Earth and Environmental Engineering, Columbia University, New York, NY, USA
Climate School, Columbia University, New York, NY, USA
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Saved (final revised paper)
Latest update: 17 Aug 2026
Short summary
This study presents long-term (i.e., 1940–2022) and high-resolution (i.e., 0.25°) monthly time series of TWS anomalies over the global land surface. The reconstruction is achieved by using a set of machine learning models with a large number of predictors, including climatic and hydrological variables, land use/land cover data, and vegetation indicators (e.g., leaf area index). Our proposed GTWS-MLrec performs overall as well as, or is more reliable than, previous TWS datasets.
This study presents long-term (i.e., 1940–2022) and high-resolution (i.e., 0.25°) monthly time...
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