Diffuser Performance Assessment Kanawha River, WV

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Diffuser Performance Assessment Kanawha River, WV

• Blaine Linkous
• UT Austin
• The Advent Group, Inc.

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Map Components

• Data Sources
• Stream Network from NHD
• DEM grid from NED
• Digital Orthophoto from West Virginia DEP
• Digitized USGS quad map from WVDEP
• Field Measurements

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Constructing a Basemap from Components
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Constructing a Basemap from Components
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Coordinate System / Datum

• UTM coordinate system
• Zone 17N Belle, WV
• NAD83
• Orthophoto was originally UTM/NAD27
• NHD, NED were originally geographic
• Field Measurements are relative to the diffuser
  not the UTM x/y coordinate system.

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Field Study Info

• Rhodamine WT dye
• Located on river relative to the diffuser and the
  right edge of water by a surveying crew (on land)
• Samples taken from
• surface
• 0.2 (total depth)
• 0.6 (total depth)
• 0.8 (total depth)
• bottom

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Coordinate System Rotation

• R (DScos318o REWcos228o)i (DSsin318o
  REWsin228o)j

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Addition of Min. Dispersion Values
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Another View of Min. Dispersion
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ArcScene used to create TIN from DEM Grid