Dear Editor, We respectfully submit our paper which documents a groundwater simulation application - the ParFlow Sand Tank. The Sand Tank application is designed for exploration and education of groundwater systems using a rigorous physical hydrology model. Our Sand Tank provides an easy and interactive way for students to visually learn the concepts of groundwater flow and groundwater surface water interactions. Please let us know if you need anything else from us. Thanks! Laura Condon
Repository Address: https://github.com/hydroframe/SandTank
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