This paper presents GeoFlood, a new open-source software package for solving shallow water equations (SWE) on a quadtree hierarchy of mapped, logically Cartesian grids managed by the parallel, adaptive library ForestClaw (Calhoun and Burstedde, 2017). The GeoFlood model is validated using standard benchmark tests from Neelz and Pender (2013) and against George (2011) results obtained from the GeoClaw software (Clawpack Development Team, 2020) for the historical Malpasset dam failure problem. The benchmark test results are compared against GeoClaw and software package HEC-RAS (Hydraulic Engineering Center - River Analysis System, Army Corp of Engineers) results (Brunner, 2018). This comparison demonstrates the capability of GeoFlood to accurately and efficiently predict flood wave propagation on complex terrain. The results from comparisons with the Malpasset dam break show good agreement with the GeoClaw results and are consistent with the historical records of the event.

翻译：本文介绍了GeoFlood，一种新型开源软件包，用于在由并行自适应库ForestClaw管理的四叉树层级映射逻辑笛卡尔网格上求解浅水方程。采用Neelz与Pender（2013）的标准基准测试，以及基于George（2011）利用GeoClaw软件包对历史性马尔帕塞坝溃决问题所得结果，对GeoFlood模型进行验证。将基准测试结果与GeoClaw及HEC-RAS软件包的计算结果进行对比。该对比展示了GeoFlood在复杂地形上准确高效预测洪水波传播的能力。与马尔帕塞坝溃决结果的比较显示，GeoFlood结果与GeoClaw结果高度吻合，且与事件历史记录一致。