Numerical evaluation of monofil and subtle-layered evapotranspiration (ET) landfill caps

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Description

The US Department of Energy/Nevada Operations Office (DOE/NV) has identified the need to design a low-level waste (LLW) closure cap for the arid conditions at the Nevada Test Site (NTS). As a result of concerns for subsidence impacting the cover, DOE/NV redesigned the LLW cover from one containing a `hard` infiltration barrier that would likely fail, to a `soft` (ET) cover that is sufficiently deep to accommodate the hydrologic problems of subsidence. An ET cover is one that does not contain hydrologic barrier layers but relies on soil-water retention and sufficient thickness to store water until evapotranspiration (ET) can remove ... continued below

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65 p.

Creation Information

Wilson, G.V.; Henley, M. & Valceschini, R. January 1, 1998.

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Description

The US Department of Energy/Nevada Operations Office (DOE/NV) has identified the need to design a low-level waste (LLW) closure cap for the arid conditions at the Nevada Test Site (NTS). As a result of concerns for subsidence impacting the cover, DOE/NV redesigned the LLW cover from one containing a `hard` infiltration barrier that would likely fail, to a `soft` (ET) cover that is sufficiently deep to accommodate the hydrologic problems of subsidence. An ET cover is one that does not contain hydrologic barrier layers but relies on soil-water retention and sufficient thickness to store water until evapotranspiration (ET) can remove the moisture. Subtle layering within an ET cap using the native soil could be environmentally beneficial and cost effective.

Physical Description

65 p.

Notes

INIS; OSTI as DE98005553

Source

  • Other Information: PBD: Jan 1998

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Identifier

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  • Other: DE98005553
  • Report No.: DOE/NV/11508--29
  • Report No.: DRI--45159
  • Grant Number: AC08-95NV11508
  • DOI: 10.2172/615649 | External Link
  • Office of Scientific & Technical Information Report Number: 615649
  • Archival Resource Key: ark:/67531/metadc699289

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Creation Date

  • January 1, 1998

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • June 14, 2016, 9:09 p.m.

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Wilson, G.V.; Henley, M. & Valceschini, R. Numerical evaluation of monofil and subtle-layered evapotranspiration (ET) landfill caps, report, January 1, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc699289/: accessed September 21, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.