Geoscientific Model Development
Geoscientific Model Development
GMD
Articles | Volume 12, issue 6
Articles | Volume 12, issue 6
https://doi.org/10.5194/gmd-12-2401-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/gmd-12-2401-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 12, issue 6
Model description paper
 | 
18 Jun 2019
Model description paper |  | 18 Jun 2019

Challenges in developing a global gradient-based groundwater model (G3M v1.0) for the integration into a global hydrological model

Robert Reinecke, Laura Foglia, Steffen Mehl, Tim Trautmann, Denise Cáceres, and Petra Döll

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Short summary
G³M is a new global groundwater model (http://globalgroundwatermodel.org) that simulates lateral and vertical flows as well as exchanges with surface water bodies like rivers, lakes, and wetlands for the whole globe except Antarctica and Greenland. The newly developed model framework enables an efficient integration into established global hydrological models. This paper presents the G³M concept and specific model design decisions together with first results under a naturalized equilibrium.
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