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<br />more nutrients and moisture 10 suppon vegetation). In
<br />contrasl, longer and less frequenl Roods will cause more
<br />coarsening, depositing coarser sediment al the bar surface.
<br />
<br />Acknowledgments. This work was funded by Ihe Bureau of
<br />Reclamation's Glen Canyon Environmental Studies. We thank the
<br />National Park Service for providing housing. and Ihank. the Bureau
<br />of Reclamation for providing sediment-sampling equipmenl. R-
<br />Anima (USGS). K, Brown (USGS), C. Crouch (USGS), B,
<br />Dierker (OARS), T. Hopson (Univ, of CO), F. Iseya (lobu Univ..
<br />Japan), S, Janse" (USGS), J, Lyons (USBR), T. Reiss (USGS), M,
<br />Rubin, J,P, Running (OARS), J. Schmidt (Utah State), D, Schoell-
<br />hamer (USGS), R,L. Shreve (UCLA), M, Smelser (Utah State), R,
<br />Slanley (USGS), G, Tate (USGS). M, Walker (OARS), and G,
<br />Williams (OARS) helped collect dala, F. Iseya, J, D, Smith, and S,
<br />Wiele contributed stimulaling scientific discussions on the work.
<br />presented in this paper. Constructive reviews that improved (he
<br />quality of this manuscripl were provided by M,S, Hendrix, T.S,
<br />Melis. and J, C. Schmid!.
<br />
<br />REFERENCES
<br />
<br />Andrews, E.D., The Colorado River; A perspective from Lees
<br />Ferry. Arizona, in Surface Mla"r hydrology, ed, M,G, Wolman,
<br />and H,C. Riggs, The Geology of North America, v, 0- L Geol.
<br />Soc, Arner" Boulder, CO, pp, 281-328, 1990,
<br />Andrews, E.n., Sediment lransport in the Colorado River basin, in
<br />Colorado River ecology and dam management, ed. G.R.
<br />Marzolf, Natl. Acad, Press, Washington, D,C., pp, 54-74, 1991,
<br />Brooks, N.H.. Mechanics of streams with movable beds of fine
<br />sand,Am<r. Soc, Civil Engin. Trans" 123,526-594,1958,
<br />Burkham, D,E" Trends in selec/ed hydraulic variables for the
<br />Colorado River al Lees Ferry and near Grand Canyon,
<br />Ariwna: /922-/984. Glen Canyon Environ, Studies Rep!. No,
<br />PB88-216098, 58 pp" 1986, '
<br />Colby, B,R.. Scourandfill in sand-bed streams. U,S, Gool. Surv,
<br />Prof, Paper 462-D, 32 pp" 1964,
<br />Edwards, T.K" and G,D, Glysson, Field methods for measurement
<br />of fluvial sediment. V,S, Geol. SUIT, Open-File Rept. 86-531,
<br />118 pp" 1988,
<br />Garrett, W.B" E,K, Van De VanIer, and J,B, Graf, Streamflow and
<br />sediment-lran.sport data, Colorado River and three tributaries
<br />in Grand Canyon. Arizona. 1983 and /985-86. U,S, Goo!. Surv,
<br />Open-File Rept. 93-174, 624 pp" 1993,
<br />Guy, H.P.. lAboralory Iheary and methods for sediment analysis,
<br />U,S, Goo!. SUIT, Tech, Waler-Res, Invest.. Book 5, Chapler CI,
<br />58 pp" 1969,
<br />Guy. H.P., D.B. Simons, and E.V. Richardson, Summary of alluvial
<br />channel data from flume experiments. /956.6/. U,S, Geo!.
<br />Surv, Prof. Paper 462-1, 96 pp.. 1966,
<br />Hazel, J,E.. Jr.. M, Kaplinskl, R,A, Parnell, M,F. Manone, and
<br />A,R, Dale, The effects of the /996 Glen Canyon Dam BeaciJ/
<br />Habital-building resl flow on Colorado River sand bars in
<br />Grand Canyon, Fmal Repl. to Grand Can. Momtor. Res.
<br />Cenler, 57 pp.. 1997,
<br />
<br />TOPPING ET AL. 97
<br />
<br />Howard. A.. and R. Dolan, Geomorphology of Ihe Colorado River
<br />in lhe Grand Canyon, i Geol.. 89, 269-298, 1981.
<br />Iseya, F.. Mechanism of inverse grading of suspended load
<br />deposits, in Sedimentary facies in the active plale margin, ed.
<br />A, Taira and F. Masuda, Terra Sci, Pub!. Co" Tokyo. Japan, pp,
<br />113-129,1989,
<br />Kaplinski, M.. J,E, Hazel, Jr.. M,F. Manone, RA Parnell, and
<br />A.R. Dale, Colorado River sediment storage in Grand Canyon
<br />during calendar year 1997, Final Rept. to Grand Canyon
<br />Monitor, Res, Cenler, 28 pp" 1998,
<br />Kennedy, J.P., Slationary waves and anlidunes in alluvinl
<br />channels. Calif, Ins!. Tech" Div, Engin" W,M, Keck Lab, Hydr,
<br />Water Res, Rept. No. KH-R-2, 146 pp" 1961.
<br />Konieczki, A,D" J,B. Graf, and M,C. Carpenler, Streamjlow and
<br />sedimenl data collected 10 delennine Ihe effects of a conlrolled
<br />flood in March and April /996 on the Colorado River between
<br />Lees Ferry and Diamond Creek, Arizona, U.S. Geol. Surv.
<br />Open-File Rep!. 97-224, 55 pp" 1997,'
<br />Leopold. L.B" and T, Maddock, Jr" The hydraulic geometry of
<br />stream channels and some physiographic implications. U.S.
<br />Geol. SUIT, Prof, Paper 252.57 pp" 1953,
<br />McKee, E.D" Original s!ructures in Colorado River "nod deposits
<br />of Grand Canyon,), Sed Pet.. 8.77-83, 1938,
<br />Mclean, S,R" On the calculation of suspended load for nonco-
<br />hesive sediments,}, Geophys, Res" 97, 5759-5770,1992,
<br />Nordin, C.F.. Jr., A preliminary study of sedimenllransport param-
<br />eters, Rio Puaco near Bernardo. New Mexico, U.S. Geol. SUlY'.
<br />Prof, Paper 462-(, 21 pp" J 963.
<br />Osterkamp, W.R., and J.E. Costa, Changes accompanying an
<br />extraordinary flood on a sand-bed stream, in Calaslrophic
<br />flooding. ed, L. Mayer and D, Nash, Allen Unwin, Boston, MA,
<br />pp, 201-224,1987,
<br />Rubin, D,M" J,c. Schmidl, and J.N, Moore, Origin, structure, and
<br />evolution of a reattachment bar, Colorado River. Grand
<br />Canyon, Arizona, 1. Sed, Pet" 60, 982-991, 1990,
<br />Rubin, D,M" J.c. Schmidl, R,A, Anima, K,M, Brown, R,E,
<br />Hunter, H, Ikeda, B,E, Jaffe, R. McDonald, J,M, Nelson, T,E.
<br />Reiss, R. Sanders, and R.G. Stanley, Inlemal slructure of bars
<br />in Grand Canyon and evaluation of proposed flow alkmalives
<br />for Glen Canyon Dam, V,S, Geol. SUIT, Open-File Rept. 94-
<br />594, 56 pp.. 1994,
<br />Rubin, D,M" j,M, Nelson, and D.J, Topping. Relation of inversely
<br />graded deposits 10 suspended-sediment grain-size evolution
<br />during lhe 1996 "ood experimenl in Grand Canyon, Geol" 26,
<br />99-102, 1998,
<br />Rubin, D,M" and D,S, McCulloch, Single and superimposed
<br />bedfonns: A synthesis of San Francisco Bay and ftume obser.
<br />vations. in Shallow marine processes and products, ed. A.H.
<br />Bouma, D,S, Gorsline, G, Allen, and C. Monly, Sed Geol.. 26,
<br />207-231. 1980,
<br />Schmidt, J.c., and J.8. Graf, Aggrado.rion and degradation of
<br />alluvial sand deposits, 1965-J986, Colorado River, Grand
<br />Canyon National Park, Arizona, U.S. Gee!. Surv. Prof. Paper
<br />1493, I ()() pp" 1990,
<br />Smith. J.D., and S.R. Mclean. Spalially averaged flow over a
<br />wavy surface. 1. Geophys, Res, (Oceans), 82, 1735-1746, 1977,
<br />
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