Hydraulic Aspects of Arkansas River Stabilization

by Margaret S. Petersen,

Serial Information: Journal of the Waterways and Harbors Division, 1963, Vol. 89, Issue 4, Pg. 29-65

Document Type: Journal Paper

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Abstract: Hydraulic aspects of stabilization and rectification of the Arkansas River in Arkansas are examined, such as variability of streamflow, the large natural sediment load and severe curtailment of that load by the over-all project, the erodability of bed and banks, and shortening the stream approximately 10% by cutoffs. The design, development, and effects of artificial cutoffs are considered. Field data indicate that the rate of development of cutoffs is related to the length ratio and the volume of flow for channels in comparable alluvial materials. Data also shows that the average rate of deposition in old river-bends cutoff is a function of the length ratio for several years after opening of the cutoffs, but all bends were filled approximately the same amount after about 5 yr. As of 1963, the cutoffs have had little effect on lowering the stage-discharge relationship or modifying the riverbed immediately upstream and downstream.

Subject Headings: Hydraulics | River bank stabilization | Hydraulic loads | Alluvial channels | Channel flow | Sediment loads | Bed loads | Streamflow | Arkansas

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