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? <br />MODEL INPUT <br />Initial Conditions <br />• Cross-section geometry (expressed as caordinates) <br />• Bed-material size gradation <br />• Vegetation composition <br />Boundary Condidons <br />• River flows <br />• Sediment supply <br />• Vegetation growth rates <br />MODEL OUTPUT <br />River Channel Characteristics <br />Changes over time can be simulated for the following variables at each cross-section coordinate <br />point: <br />• River-bed elevation <br />• River-bed sediment size,gradation <br />• Water surface elevation <br />• Water width, depth, and velocity <br />• Sediment transport concentration, load, and size gradation <br />• Ground cover type <br />- bare sand <br />- vegetation (plant height and root depth) <br />Habitat Characteristics <br />Changes over time can be simulated for the following habitat characteristics at each cross- <br />section: <br />Vegetation width (cumulative for each species) <br />Crane habitat widths <br />• Unobstructed view width <br />• Water width and percent relative to unobstiucted view width <br />• Roosting width and percent relative to water width <br />2