Defining modeling parameters for juniper trees assuming pleistocene-like conditions at the NTS

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This paper addresses part of Sandia National Laboratories` (SNL) efforts to assess the long-term performance of the Greater Confinement Disposal (GCD) facility located on the Nevada Test Site (NTS). Of issue is whether the GCD site complies with 40 CFR 191 standards set for transuranic (TRU) waste burial. SNL has developed a radionuclide transport model which can be used to assess TRU radionuclide movement away from the GCD facility. An earlier iteration of the model found that radionuclide uptake and release by plants is an important aspect of the system to consider. Currently, the shallow-rooted plants at the NTS do ... continued below

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4 p.

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Tarbox, S.R. & Cochran, J.R. December 31, 1994.

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  • Tarbox, S.R. International Technology Corp., Albuquerque, NM (United States)
  • Cochran, J.R. Sandia National Labs., Albuquerque, NM (United States)

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

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Description

This paper addresses part of Sandia National Laboratories` (SNL) efforts to assess the long-term performance of the Greater Confinement Disposal (GCD) facility located on the Nevada Test Site (NTS). Of issue is whether the GCD site complies with 40 CFR 191 standards set for transuranic (TRU) waste burial. SNL has developed a radionuclide transport model which can be used to assess TRU radionuclide movement away from the GCD facility. An earlier iteration of the model found that radionuclide uptake and release by plants is an important aspect of the system to consider. Currently, the shallow-rooted plants at the NTS do not pose a threat to the integrity of the GCD facility. However, the threat increases substantially it deeper-rooted woodland species migrate to the GCD facility, given a shift to a wetter climate. The model parameters discussed here will be included in the next model iteration which assumes a climate shift will provide for the growth of juniper trees at the GCD facility. Model parameters were developed using published data and wherever possible, data were taken from juniper and pinon-juniper studies that mirrored as many aspects of the GCD facility as possible.

Physical Description

4 p.

Notes

INIS; OSTI as DE95008514

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  • International high-level radioactive waste management conference: progress toward understanding, Las Vegas, NV (United States), 1-5 May 1995

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  • Other: DE95008514
  • Report No.: SAND--94-2931C
  • Report No.: CONF-950570--14
  • Grant Number: AC04-94AL85000
  • Office of Scientific & Technical Information Report Number: 28401
  • Archival Resource Key: ark:/67531/metadc667466

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Creation Date

  • December 31, 1994

Added to The UNT Digital Library

  • June 29, 2015, 9:42 p.m.

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  • April 13, 2016, 1:20 p.m.

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Tarbox, S.R. & Cochran, J.R. Defining modeling parameters for juniper trees assuming pleistocene-like conditions at the NTS, article, December 31, 1994; Albuquerque, New Mexico. (digital.library.unt.edu/ark:/67531/metadc667466/: accessed October 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.