Articles | Volume 17, issue 23
https://doi.org/10.5194/gmd-17-8817-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-17-8817-2024
© Author(s) 2024. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Model description paper
| 
12 Dec 2024
Model description paper |
| 12 Dec 2024
| 12 Dec 2024
The global water resources and use model WaterGAP v2.2e: description and evaluation of modifications and new features
Hannes Müller Schmied
CORRESPONDING AUTHOR
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Senckenberg Leibniz Biodiversity and Climate Research Centre (SBiK-F), Frankfurt am Main, Germany
Tim Trautmann
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Sebastian Ackermann
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Denise Cáceres
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Martina Flörke
Chair of Engineering Hydrology and Water Resources Management, Ruhr University Bochum, Bochum, Germany
Helena Gerdener
Institute of Geodesy and Geoinformation, University of Bonn, Bonn, Germany
Ellen Kynast
Center for Environmental Systems Research, University of Kassel, Kassel, Germany
Thedini Asali Peiris
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Leonie Schiebener
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Maike Schumacher
Geodesy Group, Department of Sustainability and Planning, Aalborg University, Aalborg, Denmark
Petra Döll
Institute of Physical Geography, Goethe University Frankfurt, Frankfurt am Main, Germany
Senckenberg Leibniz Biodiversity and Climate Research Centre (SBiK-F), Frankfurt am Main, Germany
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15 citations as recorded by crossref.
- A controlled model experiment for the global hydrological model WaterGAP3: Understanding recent and new advances in the model structure J. Kupzig & M. Flörke 10.1016/j.envsoft.2025.106703
- Barystatic sea level change observed by satellite gravimetry: 1993–2022 Y. Nie et al. 10.1073/pnas.2425248122
- GCL-Mascon2024: a novel satellite gravimetry mascon solution using the short-arc approach Z. Yan et al. 10.5194/essd-17-4253-2025
- Assessment of the Effectiveness of GRACE Observations in Monitoring Groundwater Storage in Poland T. Solovey et al. 10.1029/2024WR038888
- Global overlooked multidimensional water scarcity W. Liu et al. 10.1073/pnas.2413541122
- A multi-model assessment of global freshwater temperature and thermoelectric power supply under climate change E. Jones et al. 10.1088/3033-4942/addffa
- PyGLDA: a fine-scale python-based global land data assimilation system for integrating satellite gravity data into hydrological models F. Yang et al. 10.5194/gmd-18-6195-2025
- The global water resources and use model WaterGAP v2.2e: description and evaluation of modifications and new features H. Müller Schmied et al. 10.5194/gmd-17-8817-2024
- Towards the use of satellite remote sensing to validate reservoir storage in global hydrological models: methodology and pilot study in the CONUS K. Otta et al. 10.1088/3033-4942/adc47b
- Attribution analysis of interannual variability and long-term trends in the Yellow River runoff across the Jiziwan region during 1960–2022 S. Zhang et al. 10.1016/j.ejrh.2025.102727
- The value of observed reservoir storage anomalies for improving the simulation of reservoir dynamics in large-scale hydrological models S. Hosseini-Moghari & P. Döll 10.5194/hess-29-4073-2025
- Impacts of climate change on the dilution capacity of perennial and non-perennial European rivers M. Sepp et al. 10.1016/j.watres.2025.124499
- Global estimates of groundwater withdrawal trends and uncertainties S. Nazari et al. 10.1088/1748-9326/adf6ca
- The process and value of reprogramming a legacy global hydrological model E. Nyenah et al. 10.5194/gmd-18-5635-2025
- Spatiotemporal dynamics of global rain-fed groundwater recharge from 2001 to 2020 S. Nazari et al. 10.1016/j.jhydrol.2024.132490
3 citations as recorded by crossref.
- Faster dieback of rainforests altering tropical carbon sinks under climate change D. Nath et al. 10.1038/s41612-024-00793-0
- Global hydrological models continue to overestimate river discharge S. Heinicke et al. 10.1088/1748-9326/ad52b0
- Characterizing the multisectoral impacts of future global hydrologic variability A. Birnbaum et al. 10.1088/1748-9326/ad52af
Latest update: 09 Oct 2025
Short summary
Assessing water availability and water use at the global scale is challenging but essential for a range of purposes. We describe the newest version of the global hydrological model WaterGAP, which has been used for numerous water resource assessments since 1996. We show the effects of new model features, as well as model evaluations, against water abstraction statistics and observed streamflow and water storage anomalies. The publicly available model output for several variants is described.
Assessing water availability and water use at the global scale is challenging but essential for...
