Modeling biogechemical reactive transport in a fracture zone

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A coupled model of groundwater flow, reactive solute transport and microbial processes for a fracture zone of the Aspo site at Sweden is presented. This is the model of the so-called Redox Zone Experiment aimed at evaluating the effects of tunnel construction on the geochemical conditions prevailing in a fracture granite. It is found that a model accounting for microbially-mediated geochemical processes is able to reproduce the unexpected measured increasing trends of dissolved sulfate and bicarbonate. The model is also useful for testing hypotheses regarding the role of microbial processes and evaluating the sensitivity of model results to changes in ... continued below

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Molinero, Jorge; Samper, Javier; Yang, Chan Bing, and Zhang, Guoxiang & Guoxiang, Zhang January 14, 2005.

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Description

A coupled model of groundwater flow, reactive solute transport and microbial processes for a fracture zone of the Aspo site at Sweden is presented. This is the model of the so-called Redox Zone Experiment aimed at evaluating the effects of tunnel construction on the geochemical conditions prevailing in a fracture granite. It is found that a model accounting for microbially-mediated geochemical processes is able to reproduce the unexpected measured increasing trends of dissolved sulfate and bicarbonate. The model is also useful for testing hypotheses regarding the role of microbial processes and evaluating the sensitivity of model results to changes in biochemical parameters.

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  • 10th International High-Level Radioactive Waste Management Conference, Las Vegas, NV, March 30-April 3, 2003

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  • Report No.: LBNL--53205
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 842960
  • Archival Resource Key: ark:/67531/metadc779818

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Office of Scientific & Technical Information Technical Reports

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  • January 14, 2005

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • Dec. 12, 2016, 12:24 p.m.

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Molinero, Jorge; Samper, Javier; Yang, Chan Bing, and Zhang, Guoxiang & Guoxiang, Zhang. Modeling biogechemical reactive transport in a fracture zone, article, January 14, 2005; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc779818/: accessed December 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.