A two-dimensional, finite-difference model of the high plains aquifer in southern South Dakota
Water-Resources Investigations Report
83-4175
By: K.E. Kolm and H. L. Case III
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Abstract
The High Plains aquifer is the principal source of water for irrigation, industry, municipalities, and domestic use in south-central South Dakota. The aquifer, composed of upper sandstone units of the Arikaree Formation, and the overlying Ogallala and Sand Hills Formations, was simulated using a two-dimensional, finite-difference computer model. The maximum difference between simulated and measured potentiometric heads was less than 60 feet (1- to 4-percent error). Two-thirds of the simulated potentiometric heads were within 26 feet of the measured values (3-percent error). The estimated saturated thickness, computed from simulated potentiometric heads, was within 25-percent error of the known saturated thickness for 95 percent of the study area. (USGS)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | A two-dimensional, finite-difference model of the high plains aquifer in southern South Dakota |
| Series title | Water-Resources Investigations Report |
| Series number | 83-4175 |
| DOI | 10.3133/wri834175 |
| Edition | - |
| Year Published | 1983 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Description | v, 39 p. :ill., maps ;28 cm. |
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