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<br /> SCHMIDT 3lJ <br /> 597550 <br /> fill 1m +6 meters <br /> 597500 +3 <br /> - <br /> - <br /> . <br /> ~ ~ +1 <br /> 597450 f <br /> 0 I <br />en -1 <br />'" <br />w 597400 <br />>-- <br />W .3 <br />::; <br />~ scour -6 <br />Cl 597350 <br />Z <br />J: <br />>-- <br />'" <br />0 597300 <br />Z <br /> 597250 , <br /> , <br /> , <br /> , <br /> 597200 , <br /> , <br /> 597150 <br /> 219050 219100 219150 219200 219250 219300 219350 219400 219450 <br /> EASTING. IN METERS <br /> <br /> <br /> <br />Fij:;urr 3. Map showing tile thidncss of erosion and dcpmition in the eddy and channel near Eminence Break camp betwcen lf3yS <br />0.100 I of the 1996 COl1lrnlk>J flood Thicknesses Wt're compuk't.! from the original sUfYey data of A"d,.,.ws,.t of. [this volume]. <br />Dashed outline is the eddy boundary used by AruJ,.,.""s n oj Ithis volume] in their c:t1culations_ Solid outline is the persistent t'dd)' <br />boundary calculated hy Schmidr <', 01. [thIS volume). Contours ihow topography for d.Jy I and are drawn al a 05 m contour <br />il1lef\'ill. Note the IMge area of erusioll ill the upsueam end or the reallachment bar, Note lhat there are no areas of thick de~ition. <br /> <br />I/No controlled llood. be released out that sufricicnt time be <br />allowed helween lhese spo.'ciaJ nows to allow Sl'diment 10 <br />accumuJ;ue on the channel bcd. <br />These calculallons showing sedllm.:nt accumulation in <br />Grand Canyon were ha'>Cd on the a..~umrtion that the <br />relation octwcen !>edlment ltansport and dlSl:harge drll:s not <br />change significantly and IhJt the <;calter aOout the mean <br />telation is not systematic. The as~umrlion was also made <br />thatlhcrc havc not been systematic ~-andlions in the amount <br />of sand on the ~d or in the size of (hat sand, because the <br /> <br />concentration and sile of suspended sediment in transport is <br />maintained by the distribution of those sius on the bcd. <br />Measurement.s during the 1996 controlled nood show <br />that the relation between sediment transpOrl and discharge <br />is not stallle. During the JlooJ. the concentration of <br />su~pcnded sc-diment JO the Colorado River <ltlhe mainslelll <br />gage.'> up.'>trc-am from the Lillie Colorado River (Topping et <br />al., Ihls \'olumel, near Grand Canyon IRlfbill et ar. 1998; <br />Topping rt aI., this \'olunlc-]. and n..-ar Nalion;i! Canyon <br />(Smith. lhis volullle. Toppi"g et al., this volume I decrcaseJ <br /> <br /> <br />.' I <br />.. .... ...4 <br /> <br />- <br />