Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 19, issue 7
Articles | Volume 19, issue 7
https://doi.org/10.5194/gmd-19-2799-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-19-2799-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 19, issue 7
Model description paper
 | 
13 Apr 2026
Model description paper |  | 13 Apr 2026

High-performance coupled surface-subsurface flow simulation with SERGHEI-SWE-RE

Na Zheng, Zhi Li, Gregor Rickert, Mario Morales-Hernández, Ilhan Özgen-Xian, and Daniel Caviedes-Voullième

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Short summary
This study introduces a computer model that simulates water flow both on the land surface and underground, and their interaction. The model can run efficiently on many kinds of computers, and its design lets each part update at its own pace to save time. In the tests performed, the model's results matched those from well-known tools in the field. Overall, the model offers a fast, flexible, and scalable way to study combined surface and groundwater behavior.
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