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7-2090 (4-81) <br />Bureau of Reclamation <br />TECHNICAL REPORT STANDARD TITLE PAGE <br />1. REPORT NO. 3. RECIPIENT'S CATALOG NO. <br /> <br />R-92- <br />08 M144v. n:: n::. <br />4. TITLE AND SUBTITLE 5. REPORT DATE <br /> April 1992 <br />di <br />S <br />e <br />ment Transport and Channel Characteristics of a <br /> <br />Sand-Bed Portion of the Green River Below Flaming 6. PERFORMING ORGANIZATION CODE <br />Gorge Dam, Utah, U.S.A. D-3744 and D-5753 <br />7. AUTHOR(S) B. PERFORMING ORGANIZATION <br />Joseph K Lyons, Michael J. Pucherelli, and REPORT NO. <br />Richard C. Clark R-92-08 <br />9. PERFORMING ORGANIZATION NAME AND ADDRESS 10. WORK UNIT NO. <br />B <br />f <br />l <br />ureau o <br />Rec <br />amation <br /> <br />Denver Office 11. CONTRACT OR GRANT NO. <br />D <br />eriver CO 80225 <br /> 13. TYPE OF REPORT AND PERIOD COVERED <br />12. SPONSORING AGENCY NAME AND ADDRESS <br />Same <br /> 14. SPONSORING AGENCY CODE <br /> DIBR <br />15. SUPPLEMENTARY NOTES <br />Microfiche and hard copy available at the Denver Office, Denver, Colorado. Ed: TPH <br />16. ABSTRACT <br />Sediment and discharge records and aerial photography suggest that bed-material sediment <br />transport and channel width in the Green River have attained quasi-equilibrium after <br />construction of Flaming Gorge Dam. The river is transporting only the supplied sediment load. <br />One river segment reached a new equilibrium channel width between 1964 and 1974; another <br />river segment reached a new equilibrium channel width between 1964 and 1981. High flow in <br />1983, 1984, and 1986 caused an increase in channel width in both river segments, which reveals <br />the potential for future channel width responses. Future variations in channel characteristics <br />should depend only upon changes in discharge and sediment supply and transport in the river <br />basin. <br />17. KEY WORDS AND DOCUMENT ANALYSIS <br />a. DESCRIPTORS-- alluvial streams/ channels/ channel morphology/ effective discharge/ <br />environmental impacts/ hydrology/ remote sensing/ sediment transport <br />b. IDENTIFIERS- <br />C. COSATI Field/Group COWRR: SRIM: <br />18. DISTRIBUTION STATEMENT 19. SECURITY CLASS 21. NO. OF PAGES <br /> (THIS REPOFM 23 <br /> UNCLASSIFIED <br /> 20. SECURITY CLASS 22. PRICE <br /> (THIS REPORT) <br /> UNCLASSIFIED