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Last modified
1/26/2010 10:09:14 AM
Creation date
10/5/2006 4:19:23 AM
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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 />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 />I <br />I <br />I <br /> <br />REACH II - COUNTY HIGHWAY 14 TO FRONTAGE ROAD <br /> <br />In this reach, the channel crosses an irrigation ditch. The <br />left overbank (see Picture 3) is mostly grass, having an _"n" <br />value of .04, while the right overbank (see Picture 4) has a few <br />bushes and a fence with a higher "n" value estimated as .05. The <br />channel is straight but rougher than Reach 1 with a gO-degree bend <br />at the irrigation ditch. The channel "n" value was chosen as .04. <br /> <br /> <br />picture 3 - Looking upstream of County <br />Highway 14; the left overbank. <br /> <br />n=.04 <br /> <br />-4- <br />
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