Electrical resistance tomography of unsaturated flow and transport in Yucca Mountain

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Electrical Resistance Tomography (ERT), a new geophysical imaging technique, was used to study the movement of a tracer through the test block at the Unsaturated Zone Transport Test (UZTT) at Busted Butte, Nevada. Data were collected four times starting in July and ending in early September, 1998. ERT baseline images show a resistivity structure which is consistent with the known lithology in the rear part of the test block. There appears to be a low resistivity region in the front half of the block, particularly near the bottom. Difference images from August 19 and September 9 show clear and consistent ... continued below

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Buettner, H M; Bussod, G; Daily, W & Ramirez, A December 28, 1998.

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Electrical Resistance Tomography (ERT), a new geophysical imaging technique, was used to study the movement of a tracer through the test block at the Unsaturated Zone Transport Test (UZTT) at Busted Butte, Nevada. Data were collected four times starting in July and ending in early September, 1998. ERT baseline images show a resistivity structure which is consistent with the known lithology in the rear part of the test block. There appears to be a low resistivity region in the front half of the block, particularly near the bottom. Difference images from August 19 and September 9 show clear and consistent resistivity decreases in the region near injection holes 18, 20, and 21 which can be associated with the injection of conductive water. The images show very little effect in the region around the other injection holes, 23, and 24 through 27 where far less water was injected. Difference images from August 19 and September 9 show resistivity decreases which could be interpreted as water moving down into the block. This is the same region which has an anomalously low resistivity in the baseline image. These results should be considered preliminary, and are subject to further interpretation.

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  • Symposium on the Application of Geophysics to Engineering and Environmental Problems, Oakland, CA, March 14-18, 1999

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  • Other: DE00007643
  • Report No.: UCRL-JC-131761
  • Grant Number: W-7405-Eng-48
  • Office of Scientific & Technical Information Report Number: 7643
  • Archival Resource Key: ark:/67531/metadc724221

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  • December 28, 1998

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  • Sept. 29, 2015, 5:31 a.m.

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  • May 6, 2016, 11:16 p.m.

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Buettner, H M; Bussod, G; Daily, W & Ramirez, A. Electrical resistance tomography of unsaturated flow and transport in Yucca Mountain, article, December 28, 1998; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc724221/: accessed September 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.