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<br />I <br />I <br />1 <br />I <br />I <br />I <br />I <br />I <br />I <br />, <br />!I <br />I <br />I <br />I' <br />I <br />I <br />I <br />I <br />I <br /> <br />Table I-I. <br />Table 2-1. <br /> <br />Table3-1. <br />Table 3-2, <br />Table 3-3. <br />Table 4,1. <br />Table 4,2, <br /> <br />Table 4-3, <br /> <br />Table 4-4, <br /> <br />Table 4-5, <br />Table 4-6, <br /> <br />Table 4-7, <br /> <br />LIST OF TABLES <br /> <br />Problem areas defined in this study, , , , , , , , . . , , , , , , , , , . . , , , , , , , , . , 2 <br />Largest mean daily discharges per calendar year at USGS stream gages on <br />the Arkansas River above and below John Martin Dam, 1942 to 1999 . , 4 <br />Correlation (R2 values) of discharge versus suspended sediment, , ,. , , " 14 <br />Manning's roughness values """""""""""""""",." 17 <br />Existing yield summary, , , , , , , , , . , , , , , , , . , , , , , , , , , , , , , , , , , , , , " 24 <br />Improved channel yield summary, Channel Improvement alternative , , " 33 <br />Approximate earthwork costs of for the Channel Improvement <br /> <br />alternative. , . , , . , , , . , . , , , . , , . , , , , , , , , , , , , , , , . , , . . , , , , . , , . " 34 <br />Pre, and post-project area of river channel and riparian overbank for <br />the Channel Improvement alternative """"""",..",."",. 35 <br />Approximate earthwork costs for the Limited Channel Improvement <br /> <br />alternative, , . , . , , , , , . , , , . . , , , . . , . . , , , , , . . . , , , , , . , . , , , , , , , " 36 <br />Agricultural areas at risk to inundation at 3,000 cfs """,.""""" 37 <br />Approximate earthwork volumes, Structural Floodway Improvement <br /> <br />alternative, ."".",.""""""""""..".".,",',,'" 3 8 <br />Gross cost estimates for a 500,acre riparian restoration project , , , , , , , " 44 <br /> <br />LIST OF FIGURES <br /> <br />Figure 1. Study area, , , . , , , . , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , 3 <br />Figure 2, Arkansas River discharge, April through November, 1985 " , " , , , , , , , , , , 6 <br />Figure 3, Arkansas River discharge, April through November, 1987 " , , ., , , , , , , , , , 7 <br />Figure 4, Arkansas River discharge, April through November, 1995 """"""'" 8 <br />Figure 5, Arkansas River discharge, April through June 15, 1999 ""'.",'.'",,, 9 <br />Figure 6, Discharge duration curves .,.,..""."",.,."""",."."".... 13 <br />Figure 7, Examples of agricultural encroachment, , ".'".,. '" '" ".", " "'" 22 <br /> <br />vii <br />