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Limitations/Extensions of Manning Equation

Applications of the Manning Equation

Regional Variation

Figure 11: Regional variation in $n$. A comparision of gravel-bottom streams in Central Arizona vs. U.S. average. $R$ is hydraulic radius,$d_{50}$ is median grain size. Some of the Arizona sites have been channelized. After AZ Geological Survey .
Image manningN_AZgravelStreams

Helpful Guides

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Next: About this document ... Up: Manning's Roughness Coefficient Previous: Cowan's Method for Estimating
GEOS 5313 Lecture Notes, Spring 2007
Dr. T. Brikowski, UTD. All rights reserved.