| Abstract: | During the past 40 years, pumpage of ground water for irrigation from the High Plains aquifer system underlying Box Butte County, Nebraska, has resulted in a steady decline of water levels. Consequently, a digital model of the aquifer system was constructed to evaluate various water-management alternatives. The hydraulic conductivity of the aquifer system ranges from 6 to 60 feet per day; the specific yield ranges from 12 to 21 percent; and natural recharge ranges from 0.06 to 4.33 inches annually. Predevelopment saturated thickness (1938) ranged from 190 to 510 feet. Water pumped in 1980 was estimated at 104,000 acre-feet from an estimated recoverable volume of 34.4 million acre-feet in the aquifer system. Results from model simulation predict that the area of water-level declines of 10 feet or more will increase from 336 square miles (1981) to 630 square miles by 1991 if pumpage is increased at the maximum annual rate experienced for the period 1972-81. Maximum water-level declines would increase from 50 feet (1981) to 79 feet (1991). However, pumpage rates held at the 1981 level (no further development) would limit the decline area of 10 feet or more to 530 square miles by 1991 and the maximum decline to 63 feet. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 29127 |
| Citation Author: | Pettijohn, R. A.; Chen, Hsiu-Hsiung |
| Citation Contributing Office: | |
| Citation Datum: | |
| Citation Day: | |
| Citation Edition: | - |
| Citation Editor: | |
| Citation End Page: | |
| Citation Issue: | |
| Citation Keywords: | |
| Citation Language: | ENGLISH |
| Citation Larger Work Title: | |
| Citation LatN: | |
| Citation LatS: | |
| Citation LonE: | |
| Citation LonW: | |
| Citation Month: | |
| Citation No Pagination: | |
| Citation Number Of Pages: | |
| Citation Online Only Flag: | |
| Citation Phsyical Description: | v, 54 p. :ill., maps ;28 cm. |
| Citation Projection: | |
| Citation Public Comments: | |
| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 84-4046 |
| Citation Search Results Text: | Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska; 1984; WRI; 84-4046; Pettijohn, R. A.; Chen, Hsiu-Hsiung |
| Citation Start Page: | |
| Citation Volume: | |
| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | Hydrologic analysis of the High Plains aquifer system in Box Butte County, Nebraska; 1984; WRI; 84-4046; Pettijohn, R. A.; Chen, Hsiu-Hsiung |
| URL (THUMBNAIL): | http://pubs.usgs.gov/wri/1984/4046/report-thumb.jpg |
| URL (DOCUMENT): | http://pubs.usgs.gov/wri/1984/4046/report.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
