A borehole instrumentation program for characterization of unsaturated-zone percolation

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Description

A borehole instrumentation and monitoring program has been designed by the US Geological Survey to support site characterization of unsaturated-zone percolation at Yucca Mountain, Nye County, Nevada. This program provides a means of defining the unsaturated-zone fluid flow (liquid and gas) potential field in a setting that incorporates large-scale stratigraphic and structural features, and the influences of geothermal heat flow and atmospheric pressure changes. Data derived from this program will be used to evaluate the suitability of Yucca Mountain as a mined geologic-repository for the storage of high-level, radioactive waste. These data include in-situ temperature, pneumatic pressure, and water potential. ... continued below

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8 p.

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Kume, J. & Rousseau, J.P. December 31, 1994.

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Description

A borehole instrumentation and monitoring program has been designed by the US Geological Survey to support site characterization of unsaturated-zone percolation at Yucca Mountain, Nye County, Nevada. This program provides a means of defining the unsaturated-zone fluid flow (liquid and gas) potential field in a setting that incorporates large-scale stratigraphic and structural features, and the influences of geothermal heat flow and atmospheric pressure changes. Data derived from this program will be used to evaluate the suitability of Yucca Mountain as a mined geologic-repository for the storage of high-level, radioactive waste. These data include in-situ temperature, pneumatic pressure, and water potential. In addition, the instrumentation program provides facilities for gas-sampling, gas-tracer diffusion testing, water-injection testing, water-level monitoring, neutron moisture-meter monitoring, temperature profiling, and in-situ recalibration of the downhole sensors. The program included testing and development of: (1) precision sensors for measurement; (2) a downhole instrumentation-station-apparatus to house the sensors, recalibrate sensors in-situ, and allow access to instrument stations for other testing purposes; and (3) surface-based support and instrumentation facilities.

Physical Description

8 p.

Notes

INIS; OSTI as DE96001455

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  • International high-level radioactive waste management conference, Las Vegas, NV (United States), 22-26 May 1994

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  • Other: DE96001455
  • Report No.: CONF-940553--89
  • Grant Number: AI08-92NV10874
  • Office of Scientific & Technical Information Report Number: 119958
  • Archival Resource Key: ark:/67531/metadc624326

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  • December 31, 1994

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  • June 16, 2015, 7:43 a.m.

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  • April 18, 2016, 6:28 p.m.

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Kume, J. & Rousseau, J.P. A borehole instrumentation program for characterization of unsaturated-zone percolation, article, December 31, 1994; Denver, Colorado. (digital.library.unt.edu/ark:/67531/metadc624326/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.