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FLOOD10332
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Last modified
1/29/2010 10:12:08 AM
Creation date
10/19/2007 11:37:58 AM
Metadata
Fields
Template:
Floodplain Documents
County
Bent
Prowers
Stream Name
Arkansas River
Basin
Arkansas
Title
Arkansas River from John Martin Dam to the Colorado/Kansas State Line: Channel Capacity and Riparian Habitat Planning Study
Date
7/1/1999
Prepared For
CWCB
Prepared By
USACE
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />1\ <br />I <br />I <br />I <br />I <br />I <br /> <br />Table 1-1. <br />Table 2-1. <br /> <br />Table 3-1. <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 (R 2 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 /> <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 /> <br />Agricultural areas at risk to inundation at 3,000 cfs .................. 37 <br />Approximate earthwork volumes, Structural Floodway Improvement <br /> <br />alternative. .......... o. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 38 <br /> <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 /> <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 />Vll <br />
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