Diffuser Performance Assessment Kanawha River, WV Blaine Linkous UT – Austin The Advent Group, Inc.

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

Constructing a Basemap from Components

Constructing a Basemap from Components

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.

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

Coordinate System Rotation R = (DScos318o + REWcos228o)i +(DSsin318o + REWsin228o)j

Addition of Min. Dispersion Values

Another View of Min. Dispersion

ArcScene used to create TIN from DEM Grid