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ISWRRI Completion Report No. ISWRRI 105 A NUMERICAL MODEL FOR COMPUTATION OF SEDIMENTATION IN LAKES AND RESERVOIRS (with application to the Corps of Engineers’ Iowa Reservoirs) Part I. Description of SEDRES, and Its Application in the Computation of Sediment Deposition in Coralville Reservoir Part II. Sedimentation in Red Rock Reservoir Part III. Sedimentation in Saylorville Lake by Fazle Karim Thomas E. Croley II and John F. Kennedy Project supported jointly by a grant from the U.S. Department of the Interior, Office of Water Research and Technology, under Public Law 88-379 as amended, and made available through the Iowa State Water Resources Research Institute; and by the U.S. Army Corps of Engineers, Rock Island District. IIHR Report No. 226 Iowa Institute of Hydraulic Research The University of Iowa Iowa City, Iowa 52242 Dec k, ò ìqqq Water & y aurces Servie* üt,. Morado ISWRRI Completion Report No. ISWRRI 105 BUREAU OF RECLAMATION DENVER LIBRARY Part I. Description of SEDRES, and Its Application in the Computation of Sediment Deposition in Coralville Reservoir Part II. Sedimentation in Red Rock Reservoir Part III. Sedimentation in Saylorville Lake Project supported jointly by a grant from the U.S. Department of the Interior, Office of Water Research and Technology, under Public Law 88-379 as amended, and made available through the Iowa State Water Resources Research Institute; and by the U.S. Army Corps of Engineers, Rock Island District. by Fazle Karim Thomas E. Croley II and John F. Kennedy IIHR Report No. 226 Iowa Institute of Hydraulic Research The University of Iowa Iowa City, Iowa 52242 92058862 ACKNOWLEDGEMENTS Development of a computer-based, numerical, reservoir sediment-deposition model for application to large Iowa reservoirs was initiated under funding provided by the U.S. Department of the Interior, Office of Water Resources Research and Technology, through the Iowa State Water Resources Research Institute (ISWRRI). At about the time and developmen

JAN O 6 *86 8ure3i3 of Redamado 'Denver Colorado \\ß«' x t #^ • < \ A / o— CmL m* OC 3 LäJ ««««S' I bmX m* C *• >a w-. IIMB Import No. £01 Iowa InatituCe of Ify^öUc Romicit line University of I»w& Iowa City, Iowa July 1977 D C Îl:^.r5mai?4fi'l iÿ ccr is ssri j!ij lll)E®grtrdii] ( \X7R Â • • 92076719 BiSUOCtíUFMíC OATA SHEET 1. Repon No. U H R Report 201 2. 4. Title asr*i! iu b tttlc Field study of sediment transport characteristics of the Mississippi River near fox island (RM 355*6) and Buzzard Island (RM 349*50) _________ • 7. Author(s) Tatsuaki Nakato § John F Kennedy 9, Performing Organization Name and Address Iowa Institute of Hydraulic Research The University of Iowa Iowa City, Iowa 52242 3. Recipient'» Access?oi No. 5. Report Date July 1977 6. 8. Performing No. Organization Rept. 10. Projecc/Task/Work Hast No« M. Contract/Grent No. 12. Sponsoring Organization Name and Address U.S. Array Corps of Engineers Rock Island District Rock Island, Illinois 13. Typ« ol Repon St Penod Covered 14. IS. Supplementary Notes 1 5 0 14. Abstract«/ field study was conducted in order to obtain a better understanding of the flow and sediment-transport mechanisms responsible for the recurrent shoaling that has been experienced in the vicinities of Fox Island (RM 335-6) and Buzzard Island (RM-349- in Pool 20 between Keokuk, Iowa, and Canton, Missouri, in the Mississippi River. Three sets of detailed data on tra^Tf/erse and stxeomwise distributions of flow velocity, suspended sediment discharge, bed-load discharge, bed-material properties, and flow depth were obtained for the high, intermediate, and low river stages during the period between May and September, 19