High frequency electromagnetic tomography

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An experiment was conducted in G Tunnel at the Nevada Test Site to evaluate high frequency electromagnetic tomography as a candidate for in situ monitoring of hydrology in the near field of a heater placed in densely welded tuff. Tomographs of 200 MHz electromagnetic permittivity were made for several planes between boreholes. Data were taken before the heater was turned on, during heating and during cooldown of the rockmass. This data is interpreted to yield maps of changes in water content of the rockmass as a function of time. This interpretation is based on laboratory measurement of electromagnetic permittivity as ... continued below

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8 p.

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Daily, W.; Ramirez, A.; Ueng, T. & Latorre, R. September 1, 1989.

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Description

An experiment was conducted in G Tunnel at the Nevada Test Site to evaluate high frequency electromagnetic tomography as a candidate for in situ monitoring of hydrology in the near field of a heater placed in densely welded tuff. Tomographs of 200 MHz electromagnetic permittivity were made for several planes between boreholes. Data were taken before the heater was turned on, during heating and during cooldown of the rockmass. This data is interpreted to yield maps of changes in water content of the rockmass as a function of time. This interpretation is based on laboratory measurement of electromagnetic permittivity as a function of water content for densely welded tuff. 8 refs., 6 figs.

Physical Description

8 p.

Notes

INIS; OSTI as DE90006926

Source

  • Nuclear waste isolation in the unsaturated zone: FOCUS `89, Las Vegas, NV (United States), 18-21 Sep 1989

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  • Other: DE90006926
  • Report No.: UCRL--101865
  • Report No.: CONF-890928--21
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 137642
  • Archival Resource Key: ark:/67531/metadc628116

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • September 1, 1989

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • Feb. 16, 2016, 7:33 p.m.

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Daily, W.; Ramirez, A.; Ueng, T. & Latorre, R. High frequency electromagnetic tomography, article, September 1, 1989; California. (digital.library.unt.edu/ark:/67531/metadc628116/: accessed July 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.