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Introduction

Introduction

Determining $n$
Several approaches to choosing a roughness coefficient:

Standard Values for $n$

Figure 1: Recommended design values for Manning Roughness Coefficient $n$ (McCuen, 2004).
Image mccuen-1998_tbl3-4a

Standard Values for $n$ (cont.)

Figure 2: Recommended design values for Manning Roughness Coefficient $n$ (cont.) (McCuen, 2004).
Image mccuen-1998_tbl3-4b

Standard Values for $n$ (cont.)

Figure 3: Recommended design values for Manning Roughness Coefficient $n$ (cont.)(McCuen, 2004).
Image mccuen-1998_tbl3-4c


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