Altitude and configuration of the 1980 water table in the High Plains regional aquifer, northwestern Oklahoma

Havens, John S.

doi:10.3133/ofr82100

Cited by 2 publications

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“…Water-level data from approximately 1,600 wells were used for drawing the predevelopment water-table map (Havens, 1982c). About 670 water-level measurements were used for constructing the 1980 water-table map (Havens, 1982b) and about 1,300 well logs were used in drawing the aguifer-base map (Havens, 1982a). Low-flow measurements were taken from published and unpublished data in the files of the U.S. Geological Survey.…”

Section: Data Sources and Model Typementioning

confidence: 99%

“…Irwin and Norton (1969) reported briefly on the possible mingling of brine from lower formations with fresh water from the High Plains aguifer in the Panhandle. Five preliminary open-file map reports showing aauifer base, predevelopment and 1980 water tables, 1980 saturated thickness, and predevelopment to 1980 water-level chanqe (Havens, 1982a(Havens, , 1982c(Havens, , 1982b(Havens, , 1982d(Havens, , 1983 have been issued as a part of the present study.…”

Section: Previous Studiesmentioning

confidence: 99%

“…Water in the High Plains aguifer moves generally to the east-southeast; the slope of the water table is about H ft/mi. The altitude of the water table ranges from about 4,600 ft above mean sea level in Cimarron County to about 2,000 ft in Woodward County (Havens, 1982b(Havens, , 1982c.…”

Section: Hydrology Occurrence and Movement Of Ground Watermentioning

confidence: 99%

“…The 1980 water-table contours (Havens, 1982b) were based on about 670 measurements made in Oanuary, February, and March 1980. Comparison of these two sets of measurements shows a decline of more than 100 ft southeast of Guymon and a decline of 50 ft or more northwest, southwest, and northeast of Guymon.…”

Section: Hydrology Occurrence and Movement Of Ground Watermentioning

confidence: 99%

“…A uniform specific yield of 14-.7 percent gave a mean difference between computed and measured heads of -0.011 ft and a mean of the absolute values of the differences of 4-8.0 ft. As in the case of hydraulic conductivity, this specific yield figure represents an over-all average, rather than the average for successfully completed wells. The model-calculated water levels and the observed water levels for 1980 (Havens, 1982b) are both shown in plate 3. The mass balance at the end of the simulation, representing 1980, is: q Change in storage 4-355.7 ft /sec Recharge from precipitation 552.2 ft /sec Pumpage -4793.3 ft /sec Ground-water discharqe to stream -118.2 ft /sec Total -3.6 ft 3 /sec…”

Section: Model Projections Of Saturated Thickness and Volume Of Watermentioning

confidence: 99%

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Numerical simulation of the High Plains regional aquifer, northwestern Oklahoma

Havens¹,

Christenson²

1984

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In 1978 the U.S. Geological Survey began a 5-year study of the High Plains regional aquifer system to provide hydrologic information for evaluating the effects of long-term development of the aquifer and to develop a capability for predicting aquifer response to alternative changes in groundwater management. By use of a digital model, this report presents a quantitative description of the High Plains aquifer in Oklahoma. Following the calibration procedure, the model was used to predict the volumes of water in storage and distribution of saturated thickness in 1993 and 2020 using the 1980 pumping rates. The calculated guantity of water in storage in the aguifer in 194-1 (predevelopment) was approximately 135.2 million acre-feet; in 1980, approximately 121.9 million acre-feet; in 1993, approximately 112.7 million acre-feet; and in 2020, approximately 96.2 million acre-feet. The High Plains aguifer in Oklahoma will continue to be an important source of water past the year 2000. As withdrawals continue from the aguifer at the present rate, the water table will continue to decline and when the water table drops below the streambed in any part of the area, groundwater discharge to streams will cease in that area. Based on the calculated volumes of water in storage, the volume of water remaining in storage as compared to the predevelopment volume is as follows: 90 percent in 1980, 83 percent in 1993, and 71 percent in 2020.

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Section: Data Sources and Model Typementioning

confidence: 99%

Section: Previous Studiesmentioning

confidence: 99%

Section: Hydrology Occurrence and Movement Of Ground Watermentioning

confidence: 99%

Section: Hydrology Occurrence and Movement Of Ground Watermentioning

confidence: 99%

Section: Model Projections Of Saturated Thickness and Volume Of Watermentioning

confidence: 99%

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Numerical simulation of the High Plains regional aquifer, northwestern Oklahoma

Havens¹,

Christenson²

1984

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Hydrogeology, water use, and simulation of flow in the High Plains aquifer in northwestern Oklahoma, southeastern Colorado, southwestern Kansas, northeastern New Mexico, and northwestern Texas

Luckey¹,

Becker²

1999

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2 Hydrogeology, Water Use, and Simulation of Flow in the High Plains Aquifer in Northwestern Oklahoma, Southeastern Colorado, Southwestern Kansas, Northeastern New Mexico, and Northwestern Texas and hydraulic conductivity. Simulated discharge to streams is sensitive to recharge but is insensitive to hydraulic conductivity. Recharge and hydraulic conductivity are closely related with respect to water levels but are not related with respect to discharge to streams. The sensitivity of the development-period model to changes in specific yield and recharge due to dryland cultivation was tested. The model appears more sensitive to specific yield, but the two inputs were not varied over the same range in percent change. The calibrated development-period model was used to simulate water-level changes from 1998 to 2020 using mean 1996-97 pumpage. The largest simulated water-level changes in Oklahoma occur in Texas County where water levels are simulated to decline 25 to 50 additional feet over a large area. Water levels also are simulated to decline 10 to 25 additional feet in two large areas of Cimarron County, two areas in Beaver County, and one area in Ellis County, all in Oklahoma. Water levels are simulated to decline more than 100 additional feet in several areas in Kansas and were simulated to decline 50 to 100 additional feet in several areas in Texas. Purpose and Scope This report describes the hydrology of the High Plains aquifer in Oklahoma and adjacent areas, estimates historical water use, and describes the construction, calibration, and use of a flow model of the aquifer. This report emphasizes the Oklahoma portion of the aquifer but includes parts of adjacent Colorado, Kansas, New Mexico, and Texas. year and major droughts occurred in the 1930s and 1950s (fig. 3). The 1980s tended to be wetter than average and the 1990s had closer to average precipitation. Much of the precipitation occurs as a result of summer thunderstorms, resulting in highly variable rainfall amounts.

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Altitude and configuration of the 1980 water table in the High Plains regional aquifer, northwestern Oklahoma

Cited by 2 publications

References 0 publications

Numerical simulation of the High Plains regional aquifer, northwestern Oklahoma

Numerical simulation of the High Plains regional aquifer, northwestern Oklahoma

Hydrogeology, water use, and simulation of flow in the High Plains aquifer in northwestern Oklahoma, southeastern Colorado, southwestern Kansas, northeastern New Mexico, and northwestern Texas

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