Manning's roughness coefficient for Illinois streams
Data Series
668
In Cooperation with the Illinois Department of Natural Resources—Office of Water Resources
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Abstract
Manning's roughness coefficients for 43 natural and constructed streams in Illinois are reported and displayed on a U.S. Geological Survey Web site. At a majority of the sites, discharge and stage were measured, and corresponding Manning's coefficients—the n-values—were determined at more than one river discharge. The n-values discussed in this report are computed from data representing the stream reach studied and, therefore, are reachwise values. Presentation of the resulting n-values takes a visual-comparison approach similar to the previously published Barnes report (1967), in which photographs of channel conditions, description of the site, and the resulting n-values are organized for each site. The Web site where the data can be accessed and are displayed is at URL http://il.water.usgs.gov/proj/nvalues/.
Suggested Citation
Soong, D., Prater, C.D., Halfar, T.M., and Wobig, L.A., 2012, Manning's roughness coefficient for Illinois streams: U.S. Geological Survey Data Series 668, iv, 14 p., https://doi.org/10.3133/ds668.
ISSN: 2327-638X (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Manning's roughness coefficient for Illinois streams |
| Series title | Data Series |
| Series number | 668 |
| DOI | 10.3133/ds668 |
| Year Published | 2012 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Publisher location | Reston, VA |
| Contributing office(s) | Illinois Water Science Center |
| Description | iv, 14 p. |
| Country | United States |
| State | Illinois |
| Online Only (Y/N) | Y |