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Modeling Water-Surface Elevations and Virtual Shorelines for the Colorado River in Grand Canyon, Arizona

Dates

Year
2008

Citation

Magirl, Christopher S, Breedlove, Michael J, Webb, Robert H, and Griffiths, Peter G, 2008, Modeling Water-Surface Elevations and Virtual Shorelines for the Colorado River in Grand Canyon, Arizona: Geological Survey (U.S.), v. SIR - 2008.

Summary

Using widely-available software intended for modeling rivers, a new one-dimensional hydraulic model was developed for the Colorado River through Grand Canyon from Lees Ferry to Diamond Creek. Solving one-dimensional equations of energy and continuity, the model predicts stage for a known steady-state discharge at specific locations, or cross sections, along the river corridor. This model uses 2,680 cross sections built with high-resolution digital topography of ground locations away from the river flowing at a discharge of 227 m3/s; synthetic bathymetry was created for topography submerged below the 227 m3/s water surface. The synthetic bathymetry was created by adjusting the water depth at each cross section up or down until the model?s [...]

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  • USGS National Research Program

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Added to ScienceBase on Fri Apr 19 09:48:33 MDT 2013 by processing file <b>Landscape Change in the Southwest.xml</b> in item <a href="https://www.sciencebase.gov/catalog/item/5042163ae4b04b508bfd3339">https://www.sciencebase.gov/catalog/item/5042163ae4b04b508bfd3339</a>

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