GIS%20Application%20to%20Discrete%20Fracture%20Flow

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GIS Application to Discrete Fracture Flow

• By
• Donald T. Slottke
• 22 November, 2005

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Topics

• Brief background on fracture flow
• Sample description and preparation
• GIS implementation
• Further work

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Topics

• Brief background on fracture flow
• Friction factor in cubic law
• Applicable roughness influence
• Directionality of influence
• Sample description and preparation
• GIS implementation
• Further work

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Lomize Revision of the Cubic Law

as given in a class paper by Matt Uliana (1999)
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A Modeled Fracture
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Roughness Parallel to Slip vs Perpendicular
from Amitrano and Schmittbuhl 2002
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Topics

• Brief background on fracture flow
• Sample description and preparation
• Santana Tuff
• Sample CC02
• CT image of fracture
• GIS implementation
• Further work

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Closed Canyon
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Imaged Surface
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Closed Canyon Fracture
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Topics

• Brief background on fracture flow
• Sample description and preparation
• GIS implementation
• Pseudo DEM
• Problems
• Comparison of Terrain Processing to MODFLOW
• Further work

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Hillshade of CC02 Flattened
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Flow direction calculatedwith imposed 10o slope
fromleft to right
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Adjoint Catchment with Drainage Lines
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MODFLOW Head Distribution
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Contour Burned Catchments
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Cell by Cell Discharge Through Face of Overriding
Flowpath
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Flow Direction of Flattened Data
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Topics

• Brief background on fracture flow
• Sample description and preparation
• GIS implementation
• Further work
• Registration of surfaces
• Creation of GeoVolume using top and bottom
  surface
• Linking MODFLOW model to GeoDatabase

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