Quasi-linear analysis of water flow in the unsaturated zone at Yucca Mountain, Nevada, USA

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Description

Philip`s method of quasi-linear approximation, applied to the fractured welded tuffs at Yucca Mountain, Nevada, USA, yields simple relations describing groundwater movement in the unsaturated zone. These relations suggest that water flux through the Topopah Spring welded tuff unit, in which a proposed high-level radioactive waste repository would be built, may be fixed at a value close to the saturated hydraulic conductivity of the unit`s porous matrix by a capillary barrier at the unit`s upper contact. Quasi-linear methods may also be useful for predicting whether free water will enter tunnels excavated in the tuff.

Physical Description

9 p.

Creation Information

Ross, B. December 1990.

Context

This article is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this article can be viewed below.

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Author

  • Ross, B. Disposal Safety, Inc., Washington, DC (United States)

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Publisher

  • Sandia National Laboratories
    Publisher Info: Sandia National Labs., Albuquerque, NM (United States)
    Place of Publication: Albuquerque, New Mexico

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Description

Philip`s method of quasi-linear approximation, applied to the fractured welded tuffs at Yucca Mountain, Nevada, USA, yields simple relations describing groundwater movement in the unsaturated zone. These relations suggest that water flux through the Topopah Spring welded tuff unit, in which a proposed high-level radioactive waste repository would be built, may be fixed at a value close to the saturated hydraulic conductivity of the unit`s porous matrix by a capillary barrier at the unit`s upper contact. Quasi-linear methods may also be useful for predicting whether free water will enter tunnels excavated in the tuff.

Physical Description

9 p.

Notes

INIS; OSTI as DE92000987

Source

  • International conference on water resources in mountainous regions and the 22nd congress of the International Association of Hydrogeologists, Lausanne (Switzerland), 27 Aug - 1 Sep 1990

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Identifier

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  • Other: DE92000987
  • Report No.: SAND--90-7052C
  • Report No.: CONF-900832--1
  • Grant Number: AC04-76DP00789
  • Office of Scientific & Technical Information Report Number: 138242
  • Archival Resource Key: ark:/67531/metadc625455

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Creation Date

  • December 1990

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 14, 2016, 6:38 p.m.

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Ross, B. Quasi-linear analysis of water flow in the unsaturated zone at Yucca Mountain, Nevada, USA, article, December 1990; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc625455/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.