Saturated Zone Plumes in Volcanic Rock: Implications for Yucca Mountain

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This paper presents a literature survey of the occurrences of radionuclide plumes in saturated, fractured rocks. Three sites, Idaho National laboratory, Hanford, and Oak Ridge are discussed in detail. Results of a modeling study are also presented showing that the length to width ratio of a plume starting within the repository footprint at the Yucca Mountain Project site, decreases from about 20:1 for the base case to about 4:1 for a higher value of transverse dispersivity, indicating enhanced lateral spreading of the plume. Due to the definition of regulatory requirements, this lateral spreading does not directly impact breakthrough curves at ... continued below

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Kelkar, S.; Roback, R.; Robinson, B.; Srinivasan, G.; Jones, C. & Reimus, P. February 14, 2006.

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This paper presents a literature survey of the occurrences of radionuclide plumes in saturated, fractured rocks. Three sites, Idaho National laboratory, Hanford, and Oak Ridge are discussed in detail. Results of a modeling study are also presented showing that the length to width ratio of a plume starting within the repository footprint at the Yucca Mountain Project site, decreases from about 20:1 for the base case to about 4:1 for a higher value of transverse dispersivity, indicating enhanced lateral spreading of the plume. Due to the definition of regulatory requirements, this lateral spreading does not directly impact breakthrough curves at the 18 km compliance boundary, however it increases the potential that a plume will encounter reducing conditions, thus significantly retarding the transport of sorbing radionuclides.

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  • Report No.: LA-UR-05-8240
  • Grant Number: NA
  • DOI: 10.2172/893920 | External Link
  • Office of Scientific & Technical Information Report Number: 893920
  • Archival Resource Key: ark:/67531/metadc891127

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  • February 14, 2006

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 7, 2016, 8:54 p.m.

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Kelkar, S.; Roback, R.; Robinson, B.; Srinivasan, G.; Jones, C. & Reimus, P. Saturated Zone Plumes in Volcanic Rock: Implications for Yucca Mountain, report, February 14, 2006; Las Vegas, Nevada. (digital.library.unt.edu/ark:/67531/metadc891127/: accessed September 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.