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Water Resources of Illinois:
n
-values Project
N-VALUES SITE CONTENT:
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USGS Data Series Report
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FAQ
Equations
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Chezy
: Developed and verified by experiments made on an earthen channel, the Courpalet Canal, and on the Seine River in late 1769.
Reference
:
Chow, V.T., 1959,
Open Channel Hydraulics
: McGraw-Hill Book Co. NewYork, 680 p.
C
Chezy coefficient
V
Cross-sectional average flow velocity, in feet per second
R
Hydraulic radius, in feet
S
Slope, in feet per feet