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Upper Colorado River Basin MODFLOW-NWT Model Application Data

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:53 PM | Dataset Last Updated: July 01, 2025 at 12:00 AM
A three-dimensional groundwater flow model, MODFLOW-NWT, was developed to simulate saturated groundwater hydrology, streamflow, and groundwater/surface-water interaction within the Colorado Plateau principal aquifer system. The model was used to evaluate and compare the hydrologic responses of groundwater and streamflow to natural and anthropogenic drivers of change between a recent wet period (1982-1999) and drought period (2000-2022) for four headwater subregions in the Upper Colorado River Basin. This child item contains all of the MODFLOW-NWT input and output files for the simulations described in the associated journal article (https://doi.org/10.1016/j.ejrh.2025.102554).

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