Articles | Volume 12, issue 6
Geosci. Model Dev., 12, 2401–2418, 2019
https://doi.org/10.5194/gmd-12-2401-2019
Geosci. Model Dev., 12, 2401–2418, 2019
https://doi.org/10.5194/gmd-12-2401-2019

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 et al.

Data sets

Model Output Robert Reinecke https://doi.org/10.5281/zenodo.1315471

Model code and software

G³M framework Robert Reinecke https://doi.org/10.5281/zenodo.1175540

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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.