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<br />90 GRAIN-SIZE EVOLUTION DURING FLOODS <br /> <br /> <br />a <br /> <br /> <br />b <br /> <br />Figure 5. (A) View of (he eddy and sub-aerial eddy bar l:ll the 122-mlle eddy site during (he low flow immediately <br />preceding the controlled nood. Flow is from left 10 right. and the 122-mile eddy is JUSl upstream frolll (his reach. The <br />large open sand bar shown here is about 70 em above the 10\\1 flow water surra~e. (B) Same vIew as in (A) durmg the <br />flood (C) Sam~ View as in (A) and (8) Immediately following the artilicial flood. The large eddy bar in the center of lhe <br />photo has maximum elevations more than 4 meters above [he low flow W<llcr surface. as shown in the view from lhl: <br />channclward side in (0). <br />