MODFLOW-6 model of the Big Sioux aquifer, Sioux Falls, South Dakota
Dates
Release Date
2019-01-01
Start Date
1949-12-31
End Date
2017-12-31
Publication Date
2023-09-15
Citation
Eldridge, W.G. and Davis, K.W., 2019, MODFLOW-6 model of the Big Sioux aquifer, Sioux Falls, South Dakota: U.S. Geological Survey data release, https://doi.org/10.5066/P9O59RO0.
Summary
A MODFLOW-6 groundwater flow model of the Big Sioux aquifer near Sioux Falls, South Dakota, was constructed to improve the understanding and management of the water supply resources for the City of Sioux Falls. The model area included the Big Sioux River drainage basin between Del Rapids and Sioux Falls, South Dakota, and simulated groundwater flow in the Big Sioux aquifer and underlying hydrogeologic units. The data release directories contain ancillary, bin, georef, model, output, and source folders with the necessary executable and input files for the following models: (1) a transient MODFLOW-6 groundwater flow model; (2) a steady-state MODFLOW-6 model used for eventual streamflow capture analysis; (3) a modified transient MODFLOW-6 [...]
Summary
A MODFLOW-6 groundwater flow model of the Big Sioux aquifer near Sioux Falls, South Dakota, was constructed to improve the understanding and management of the water supply resources for the City of Sioux Falls. The model area included the Big Sioux River drainage basin between Del Rapids and Sioux Falls, South Dakota, and simulated groundwater flow in the Big Sioux aquifer and underlying hydrogeologic units. The data release directories contain ancillary, bin, georef, model, output, and source folders with the necessary executable and input files for the following models: (1) a transient MODFLOW-6 groundwater flow model; (2) a steady-state MODFLOW-6 model used for eventual streamflow capture analysis; (3) a modified transient MODFLOW-6 model used for timing-of-capture analysis at three hypothetical well sites; and (4) a Soil-Water Balance (SWB) model used to estimate spatial and temporal variations of recharge and potential evapotranspiration. This USGS data release contains all of the input and output files for the model described in the associated model documentation report (https://doi.org/10.3133/sir20195117).
The purpose of the groundwater flow model and its intended uses include: (1) simulating hydrologic scenarios of interest to groundwater managers; (2) advancing understanding of groundwater budgets and their components such as recharge, discharge, aquifer storage; (3) computing historical and projected system response to natural and anthropogenic stresses; and (4) determine likely sources of water supplied to wells in the model area. The development of model input and output files included in this data release are documented in U.S. Geological Survey Scientific Investigations Report 2019-5117 (https://doi.org/10.3133/sir20195117).
Preview Image
Image of the model domain and active area of the model.