GIS Application to Discrete Fracture Flow
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Transcript of GIS Application to Discrete Fracture Flow
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GIS Application to Discrete GIS Application to Discrete Fracture FlowFracture Flow
By:By:Donald T. SlottkeDonald T. Slottke
22 November, 200522 November, 2005
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TopicsTopics
Brief background on fracture flowBrief background on fracture flow Sample description and preparationSample description and preparation GIS implementationGIS implementation Further workFurther work
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TopicsTopics
Brief background on fracture flowBrief background on fracture flow• Friction factor in cubic lawFriction factor in cubic law• Applicable roughness influenceApplicable roughness influence• Directionality of influenceDirectionality of influence
Sample description and preparationSample description and preparation GIS implementationGIS implementation Further workFurther 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 FractureA Modeled Fracture
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Roughness Parallel to Slip vs Perpendicular
from Amitrano and Schmittbuhl 2002
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TopicsTopics
Brief background on fracture flowBrief background on fracture flow Sample description and preparationSample description and preparation
• Santana TuffSantana Tuff• Sample CC02Sample CC02• CT image of fractureCT image of fracture
GIS implementationGIS implementation Further workFurther work
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Closed CanyonClosed Canyon
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ImagedImaged SurfaceSurface
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ClosedClosed Canyon Fracture
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TopicsTopics
Brief background on fracture flowBrief background on fracture flow Sample description and preparationSample description and preparation GIS implementationGIS implementation
• Pseudo DEMPseudo DEM• ProblemsProblems• Comparison of Terrain Processing to Comparison of Terrain Processing to
MODFLOWMODFLOW Further workFurther work
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Hillshade of CC02 FlattenedHillshade of CC02 Flattened
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Flow direction calculatedwith imposed 10o slope from
left to right
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Adjoint Catchment with Drainage Adjoint Catchment with Drainage LinesLines
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MODFLOW Head DistributionMODFLOW Head Distribution
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Contour Burned Catchments
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Cell by Cell Discharge Through Face of Overriding FlowpathCell by Cell Discharge Through Face of Overriding Flowpath
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Flow Direction of Flow Direction of Flattened DataFlattened Data
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TopicsTopics
Brief background on fracture flowBrief background on fracture flow Sample description and preparationSample description and preparation GIS implementationGIS implementation Further workFurther work
• Registration of surfacesRegistration of surfaces• Creation of GeoVolume using top and Creation of GeoVolume using top and
bottom surfacebottom surface• Linking MODFLOW model to Linking MODFLOW model to
GeoDatabaseGeoDatabase
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