Simulating and visualising the continental water cycle with CWatM, the open-source Community Water Model

The process-based hydrological model Community Water Model (CWatM) is presented simulating the water cycle from regional to global and with different resolutions. Human influences within the water cycle have been further integrated and recent developments to improve the representation of water management and distribution, reservoirs, crops, and groundwater processes are demonstrated. “Water circles" are introduced along with a dashboard to visualise the components of the water cycle and evaluate water availability in the context of water demands. The dashboard along with a set of tutorials and testing suite continue to support the accessibility of model adoption and open-source code development.