MODFLOW-NWT groundwater flow model used to evaluate groundwater flow in the Elkhorn and Loup River Basins, Central Nebraska, Phase Three: U.S. Geological Survey data release

The U.S. Geological Survey (USGS) refined the spatial and temporal discretization of a previously modeled area (Phase 1: https://pubs.usgs.gov/sir/2008/5143/ and...美国地质调查局（U.S. Geological Survey, USGS）对某一此前已开展建模的区域的空间与时间离散化方案进行了优化（第一阶段：https://pubs.usgs.gov/sir/2008/5143/ 及……）