CyberGIS-Jupyter for Water (CJW), leveraging the cyberGIS software ecosystem, is integrated with HydroShare. CJW provides a collaborative platform for enabling computationally intensive and reproducible hydrologic research by delivering advanced cyberinfrastructure and cyberGIS capabilities based on high-performance computing (HPC) resources such as Virtual ROGER and XSEDE Comet. The Structure For Unifying Multiple Modeling Alternatives (SUMMA), which is a hydrological modeling framework, allows for formal evaluation of multiple working hypotheses on model representations of physical processes. This CyberGIS-Jupyter notebook illustrates specific support for a SUMMA model on top of the cutting-edge hydrologic modeling capabilities on CJW. By taking advantage of CJW, users can easily tune different parameters for a SUMMA model and submit computationally intensive High-Throughput Computing (HTC) jobs for executing the model on HPC resources via Jupyter notebooks without having to possess in-depth technical knowledge about cyberGIS or HydroShare. Computational experiments demonstrate that the integration of cyberGIS capabilities and HydroShare achieves a high-performance and easy-to-use environment for reproducible SUMMA-based hydrological modeling.
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