A data.frame containing the type of channel and description along with the
minimum, normal, and maximum value of n, if it exists. n is the "Gauckler-
Manning coefficient (commonly called Manning's n)" and it's dimensionless.
Source: Manning formula.
Usage
nmetalpipe
Arguments
Format
A data frame with 25 rows and 2 variables:
Type of Pipe and Diameter and Corrugation Dimension
Name of the type
of conduit and any descriptive information
n
Manning's n
References
This data is from FishXing Version 3.0 Beta (2006) by Michael Furniss, Michael Love, Susan Firor, Kathleen Moynan, Antonio Llanos, Jeff Guntle, and Robert Gubernick. See http://www.fsl.orst.edu/geowater/FX3/help/8_Hydraulic_Reference/Mannings_n_Tables.htm. The original data source is Ven Te Chow, Open-Channel Hydraulics, New York City, York: McGraw-Hill, 1959.