Sediment Modeling in the Rio Grande Conveyance Channel

by Drew C. Baird, (M.ASCE), U.S. Bureau of Reclamation, Denver, United States,
Cassie C. Klumpp, (M.ASCE), U.S. Bureau of Reclamation, Albuquerque, United States,

Document Type: Proceeding Paper

Part of: Hydraulic Engineering


The Rio Grande Conveyance Channel and the Rio Grande Floodway convey water from the San Acacia diversion dam to Elephant Butte Reservoir. The Conveyance Channel was built in early 1950's in response to a prolonged drought to conserve water. The U.S. Bureau of Reclamation Sedimentation Section and the Albuquerque Projects Office are modeling sediment transport rates in the Conveyance Channel. The purpose of the sediment modeling is to determine what affects changes in channel width and slope have on the Conveyance Channel. Sensitivity studies were performed to determine the best sediment transport equation and the applicable Manning's roughness. The equilibrium slope for different channel widths was obtained from the model to determine if the slope could be reduced to allow operation of the Conveyance Channel during periods of high reservoir contents.

Subject Headings: Slopes | Sediment | Hydraulic models | Hydrologic models | Reservoirs | Water discharge | Water conservation | Sensitivity analysis | Rio Grande | New Mexico | United States

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