An integrated methodology for characterizing flow and transport processes in fractured rock

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To investigate the coupled processes involved in fluid andheat flow and chemical transport in the highly heterogeneous,unsaturated-zone (UZ) fractured rock of Yucca Mountain, we present anintegrated modeling methodology. This approach integrates a wide varietyof moisture, pneumatic, thermal, and geochemical isotopic field data intoa comprehensive three-dimensional numerical model for modeling analyses.The results of field applications of the methodology show that moisturedata, such as water potential and liquid saturation, are not sufficientto determine in situ percolation flux, whereas temperature andgeochemical isotopic data provide better constraints to net infiltrationrates and flow patterns. In addition, pneumatic data are found to beextremely valuable in estimating … continued below

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Wu, Yu-Shu August 31, 2007.

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To investigate the coupled processes involved in fluid andheat flow and chemical transport in the highly heterogeneous,unsaturated-zone (UZ) fractured rock of Yucca Mountain, we present anintegrated modeling methodology. This approach integrates a wide varietyof moisture, pneumatic, thermal, and geochemical isotopic field data intoa comprehensive three-dimensional numerical model for modeling analyses.The results of field applications of the methodology show that moisturedata, such as water potential and liquid saturation, are not sufficientto determine in situ percolation flux, whereas temperature andgeochemical isotopic data provide better constraints to net infiltrationrates and flow patterns. In addition, pneumatic data are found to beextremely valuable in estimating large-scale fracture permeability. Theintegration of hydrologic, pneumatic, temperature, and geochemical datainto modeling analyses is thereby demonstrated to provide a practicalmodeling approachfor characterizing flow and transport processes incomplex fractured formations.

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  • Journal Name: Journal of China University of Geosciences; Journal Volume: 18; Journal Issue: SI; Related Information: Journal Publication Date: 06/2007

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  • Report No.: LBNL--63411
  • Grant Number: DE-AC02-05CH11231
  • Office of Scientific & Technical Information Report Number: 918824
  • Archival Resource Key: ark:/67531/metadc888110

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  • August 31, 2007

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  • Sept. 22, 2016, 2:13 a.m.

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  • April 27, 2020, 8:33 p.m.

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Wu, Yu-Shu. An integrated methodology for characterizing flow and transport processes in fractured rock, article, August 31, 2007; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc888110/: accessed April 19, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.

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