Mississippi River Shoaling: A Diagnostic Study

by Tatsuaki Nakato, Research Scientist; Inst. of Hydr. Research, and Adjunct Asst. Prof., Div. of Energy Engrg., Univ. of Iowa, Iowa City, Iowa,
John F. Kennedy, (M.ASCE), Dir.; Inst. of Hydr. Research, and Prof., Div. of Energy Engrg., Univ. of Iowa, Iowa City, Iowa,
Richard M. Baker, Civ. Engrg. Technician; Rock Island Dist., Army Corps of Engineers, Rock Island, Ill.,

Serial Information: Journal of the Hydraulics Division, 1979, Vol. 105, Issue 11, Pg. 1375-1391

Document Type: Journal Paper


The field study was conducted to collect definitive data on the flow and sediment movement characteristics in the recurrent shoaling reaches of the Mississippi River in the vicinities of Fox Island (RM 355-6) and Buzzard Island (RM 349-50) in Pool 20 between Keokuk, Iowa and Canton, Mo. The detailed field data were used to identify the source of the excess sediment input into the Mississippi River, and to elucidate the principal mechanisms of shoaling processes in the study areas by establishing empirical relationships of the bed-load discharge and the suspended-load discharge with the mean flow velocity and the water discharge.

Subject Headings: Field tests | Water discharge | Shoals | Diagnosis | Case studies | Data collection | Hydrologic data | River flow | Mississippi River | Iowa | United States

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