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Last modified
1/26/2010 10:09:14 AM
Creation date
10/5/2006 4:19:23 AM
Metadata
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Template:
Floodplain Documents
County
Larimer
Community
Fort Collins
Stream Name
Dry Creek
Basin
South Platte
Title
Hydraulic Roughness Value Analysis - Manning's n - Dry Creek
Date
8/1/1979
Prepared For
Larimer County
Prepared By
Gingery Associates, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I <br />I <br />II <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />il <br />I <br />I <br />I <br />I <br /> <br />REACH 1 - POUDRE RIVER TO COUNTY HIGHWAY 14 <br /> <br />As shown in picture 1 below, this reach of Dry Creek flows <br />through the Fort Collins Nursery. There is a lot of natural brush <br />along with the vegetation grown by the nursery in the near right <br />overbank. The left overbank is mostly commercial land use with <br />some brush in the vicinity of the channel. The area is thickly <br />wooded while the channel itself is fairly smooth and straight. <br />The far right overbank is mostly pasture land (see picture 2). <br />. D'" <br />The "n" values chosen are .09 for the left overbank, .035 for the <br />channel, .09 for the right bank, and .040 for the far right bank <br /> <br />out of the nursery area. <br /> <br /> <br />picture 1 - Looking downstream at the <br />Dry Creek channel through <br />the Fort Collins Nursery <br />below County Highway, 14. <br /> <br />LOB=.09, ROB=.09, Channel=.035 <br /> <br />-2- <br /> <br />/ <br /> <br />If' <br /> <br /> :11 0'/ <br /> I p" <br />0'1 ID"~ <br />. , <br /> \ <br /> ) <br />
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