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Numerical simulation of the alluvium and terrace aquifer along the North Canadian River from Canton Lake to Lake Overholser, central Oklahoma

Water-Resources Investigations Report 83-4076
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https://doi.org/10.3133/wri834076

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Abstract

Alluvium and terrace deposits of Quaternary age, which cover an area of about 400 square miles along the North Canadian River between Canton Lake and Lake Overholser, locally yield as much as 500 gallons per minute to wells. The deposits are as much as 100 feet thick and consist of clay, silt, sand, and gravel, with sand-sized material dominating. The underlying bedrock is Permian sandstone and shale. The amount of water stored in the aquifer during 1980 was estimated to be 4.00 x 1010 cubic feet. A digital model was used to estimate the ability of the aquifer to continue to supply water for irrigation, industry, and domestic use. A block-centered, finite-difference model with 1 mile node spacing was used to project the amount and distribution of water in the aquifer in the future. The model was calibrated using the aquifer discharge to the North Canadian River and the difference between computed and measured heads. The model was calibrated using recharge rate of 1 inch per year, a horizontal hydraulic conductivity of 4.5 x 10 -4 feet per second and a specific yield of 0.16. Model simulations using the 1979 pumping rate, a projected pumping rate (based on expected increases in water use), and double the projected increase in pumping rate were made to 1993. With the 1979 pumping rate, the volume of water in storage in 1993 is 3.88 x 10 10 cubic feet and ground-water discharge to the North Canadian River is 10.9 cubic feet per second. With the projected pumping increase, the volume of water in storage is 3.81 x 1010 cubic feet and ground-water discharge to the stream is 6.91 cubic feet per second. At double the projected increase in pumping rate, the volume of water in storage is 3.74 x 1010 cubic feet and the ground-water discharge is 2.93 cubic feet per second.
Publication type Report
Publication Subtype USGS Numbered Series
Title Numerical simulation of the alluvium and terrace aquifer along the North Canadian River from Canton Lake to Lake Overholser, central Oklahoma
Series title Water-Resources Investigations Report
Series number 83-4076
DOI 10.3133/wri834076
Edition -
Year Published 1983
Language ENGLISH
Publisher U.S. Geological Survey, Water Resources Division,
Description v, 41 p. :ill., maps ;28 cm.
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