Estimated ground-water discharge by evapotranspiration, Ash Meadows Area, Nye County, Nevada, 1994

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Ground water discharges from the regional ground-water flow system that underlies the eastern part of the Nevada Test Site through numerous springs and seeps in the Ash Meadows National Wildlife Refuge in southern Nevada. The total spring discharge was estimated to be about 17,000 acre-feet per year by earlier studies. Previous studies estimated that about 10,500 acre-feet of this discharge was lost to evapotranspiration. The present study was undertaken to develop a more rigorous approach to estimating ground-water discharge in the Ash Meadows area. Part of the study involves detailed field investigation of evapotranspiration. Data collection began in early 1994. ... continued below

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20 p.

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Nichols, W.D.; Laczniak, R.J.; DeMeo, G.A. & Rapp, T.R. May 1, 1997.

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Description

Ground water discharges from the regional ground-water flow system that underlies the eastern part of the Nevada Test Site through numerous springs and seeps in the Ash Meadows National Wildlife Refuge in southern Nevada. The total spring discharge was estimated to be about 17,000 acre-feet per year by earlier studies. Previous studies estimated that about 10,500 acre-feet of this discharge was lost to evapotranspiration. The present study was undertaken to develop a more rigorous approach to estimating ground-water discharge in the Ash Meadows area. Part of the study involves detailed field investigation of evapotranspiration. Data collection began in early 1994. The results of the first year of study provide a basis for making preliminary estimates of ground-water discharge by evapotranspiration. An estimated 13,100 acre-feet of ground water was evapotranspired from about 6,800 acres of marsh and salt-grass. Additional 3,500 acre-feet may have been transpired from the open water and from about 1,460 acres of other areas of Ash Meadows in which field studies have not yet been made.

Physical Description

20 p.

Notes

U.S. Geological Survey, Branch of Information Services, Box 25286, Denver, CO 80225-0286 (United States); OSTI as DE97005308

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  • Other Information: PBD: 1997

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  • Other: DE97005308
  • Report No.: USGS--97-4025
  • Grant Number: AI08-91NV11040
  • DOI: 10.2172/468539 | External Link
  • Office of Scientific & Technical Information Report Number: 468539
  • Archival Resource Key: ark:/67531/metadc684280

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  • May 1, 1997

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • June 13, 2016, 7:26 p.m.

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Nichols, W.D.; Laczniak, R.J.; DeMeo, G.A. & Rapp, T.R. Estimated ground-water discharge by evapotranspiration, Ash Meadows Area, Nye County, Nevada, 1994, report, May 1, 1997; United States. (digital.library.unt.edu/ark:/67531/metadc684280/: accessed December 11, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.