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Last modified
1/25/2010 6:28:00 PM
Creation date
10/4/2006 11:56:22 PM
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Floodplain Documents
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Title
Guide for Selecting Manning's Roughness Coefficients for Natural Channels and Flood Plains
Date
4/1/1984
Prepared By
USDOT - Federal Highway Administration
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />SYMBOLS AND UNITS--Oontinued <br /> <br />Symbol Definition <br /> <br />Units <br /> <br />R hydraulic radius <br /> <br />ft <br /> <br />5e slope of energy-grade line <br />Sw slope of water-surface profile <br /> <br />ft/ft <br />ft/ft <br />(ft-lbs/s) I <br />ft2 <br /> <br />SP stream power <br /> <br />V mean velocity of flow <br /> <br />ftls <br />ft-l <br />ft-l <br /> <br />Vegd vegetation density <br /> <br />VegR vegetation resistivity <br /> <br />v <br />
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