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Agenda Item: PRRIP EIS and National Academy of Science Update
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Agenda Item: PRRIP EIS and National Academy of Science Update
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Last modified
1/26/2010 4:38:46 PM
Creation date
6/19/2009 1:37:52 PM
Metadata
Fields
Template:
Water Supply Protection
File Number
8461.100
Description
Adaptive Management Workgroup
State
CO
Basin
South Platte
Water Division
1
Date
5/13/2004
Author
Rick Brown
Title
Agenda Item: PRRIP EIS and National Academy of Science Update
Water Supply Pro - Doc Type
Board Memo
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-4- <br />Sediment transport and grain size are linked to channel degregadation, incision, and channel <br />narrowing. The DEIS found the following: <br />Table 5-30.-Comparative Ranking of Altematives by Net Deposition in the CenVal Platte Habitat <br />Ranking (1 Equals Greatest <br />Deposition) After 13 Years After 61 Years <br />1 Water Leasing Water Leasing <br />2 Governance Committee, Scenario 2 Wet Meadow <br />3 Water Emphasis Governance Committee, Scenario 2 <br />4 Wet Meadow Water Emphasis <br />5 Present Condition Governance Committee, Scenario 1 <br />6 Governance Committee, Scenario 1 Present Condition <br />• The DEIS estimated channel width using the Sed Veg model results and the results are <br />presented below: <br />Table 5-32.-Summary of Differences in Width of Total Water From the Present Condition (Feet) <br /> River Mile <br /> Weighted Average <br /> for the Central <br />Alternative 310 to 247 247 to 234 234 to 206 206 to 167 167 to 160 <br /> Platte Habitat <br /> Area* <br />Width of Total Water at 13 Years** <br />Width of the Present <br /> <br />Condition 660 736 954 1455 1347 1149 <br />Governance <br />Committee, Scenario 15 -33 23 31 -84 7 <br />1 <br />Governance <br />Committee, Scenario 49 79 109 70 -76 71 <br />2 <br />Water Emphasis 63 130 30 145 -77 86 <br />Wet Meadow 26 84 109 68 -77 71 <br />Water Leasing 45 113 111 82 -70 83 <br />Flood Protection • Water Project Planning and Finance • Stream and Lake Protection <br />Water Supply Protection • Conservation Planning
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