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  3. MODFLOW-NWT model used in simulation of groundwater availability in reaches 3 and 4 of the Washita River aquifer, southern Oklahoma, 1980–2017 (ver. 1.1, April 2024)

MODFLOW-NWT model used in simulation of groundwater availability in reaches 3 and 4 of the Washita River aquifer, southern Oklahoma, 1980–2017 (ver. 1.1, April 2024)

Dates

Publication Date
Start Date
1980-01-01
End Date
2017-12-31
Revision
2024-04-19

Citation

Rogers, I.M.J., Smith, J.S., Gammill, N.C., Gillard, N.J., Lockmiller, K.A., Fetkovich, E.J., Correll, J.S., and Hussey, S.P., 2023, MODFLOW-NWT model used in simulation of groundwater availability in reaches 3 and 4 of the Washita River aquifer, southern Oklahoma, 1980–2017 (ver. 1.1, April 2024): U.S. Geological Survey data release, https://doi.org/10.5066/P9UET694.

Summary

The U.S. Geological Survey (USGS), in cooperation with the Oklahoma Water Resources Board (OWRB), constructed a finite-difference numerical groundwater-flow model of the Washita River aquifer by using MODFLOW-2005 (Harbaugh, 2005) with the Newton formulation solver (MODFLOW-NWT). The 1973 Oklahoma Groundwater Law requires that the OWRB conduct hydrologic investigations of the State’s aquifers to determine the maximum annual yield (MAY) for each groundwater basin. The MAY is defined as the total amount of fresh groundwater that can be annually withdrawn while allowing a minimum 20-year life of that groundwater basin. For alluvium and terrace groundwater basins, the life requirement is satisfied if, after 20 years of MAY withdrawals, [...]

Contacts

Point of Contact :
Oklahoma-Texas Water Science Center Public Information Officer
Originator :
Ian M Rogers, S Jerrod Smith, Nicole C Gammill, Natalie J Gillard, Kayla A Lockmiller, Evin J Fetkovich, Jessica S. Correll, Sean P. Hussey
Metadata Contact :
S. Jerrod Smith, U.S. Geological Survey
Publisher :
U.S. Geological Survey
Distributor :
U.S. Geological Survey - ScienceBase
SDC Data Owner :
Oklahoma-Texas Water Science Center
USGS Mission Area :
Water Resources

Attached Files

Click on title to download individual files attached to this item.

sir2023-5072.xml
Original FGDC Metadata
View 		25.91 KB application/fgdc+xml
bin.zip 13.27 MB application/zip
1.01 GB application/zip
georef.zip 71.6 KB application/zip
model.zip 352.43 MB application/zip
modelgeoref.txt 1.25 KB text/plain
output.zip 303.25 MB application/zip
readme.txt 95.74 KB text/plain
sir2023-5072Thumbnail.jpg thumbnail 265.26 KB image/jpeg
Version_History_20240419.txt 348 Bytes text/plain
source.zip 813.21 MB application/zip

Purpose

The numerical groundwater-flow models in this data release were developed to (1) estimate the EPS pumping rate that ensures a minimum 20-, 40-, and 50-year life of the aquifer, (2) quantify the potential effects of projected well withdrawals on groundwater storage over a 50-year period, and (3) simulate the potential effects of a hypothetical (10-year) drought on groundwater storage. The results of these groundwater-availability scenarios could be used by the OWRB to evaluate the maximum annual yield of groundwater from reaches 3 and 4 of the Washita River aquifer in southern Oklahoma. The development of the model input and output files included in this data release are documented in the companion USGS Scientific Investigations Report 2023-5072 (https://doi.org/10.3133/sir20235072).
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Communities

  • USGS Data Release Products
  • USGS Oklahoma-Texas Water Science Center

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Provenance

Version 1.1 posted on April 19th, 2024 by Jerrod Smith. See "Version_History_20240419.txt" in the Attached Files section for more information.

Additional Information

Identifiers

Type Scheme Key
DOI https://www.sciencebase.gov/vocab/category/item/identifier doi:10.5066/P9UET694

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