| 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/. |
| Genre: | USGS Numbered Series |
| ProdID: | 70038248 |
| Citation Author: | Soong, David T.; Prater, Crystal D.; Halfar, Teresa M.; Wobig, Loren A. |
| Citation Contributing Office: | Illinois Water Science Center |
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| Citation Language: | English |
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| Citation Online Only Flag: | Y |
| Citation Phsyical Description: | iv, 14 p. |
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| Citation Public Comments: | In Cooperation with the Illinois Department of Natural Resources—Office of Water Resources |
| Citation Publisher: | U.S. Geological Survey |
| Citation Series: | Data Series |
| Citation Series Code: | DS |
| Citation Series Number: | 668 |
| Citation Search Results Text: | Manning‘s roughness coefficient for Illinois streams; 2012; DS; 668; Soong, David T.; Prater, Crystal D.; Halfar, Teresa M.; Wobig, Loren A. |
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| Citation Year: | 2012 |
| Type: | citation/reference |
| Text: | Manning‘s roughness coefficient for Illinois streams; 2012; DS; 668; Soong, David T.; Prater, Crystal D.; Halfar, Teresa M.; Wobig, Loren A. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/ds_668.gif |
| URL (INDEX PAGE): | http://pubs.usgs.gov/ds/668/ |
| Date Other: | Mon, 30 Apr 2012 15:57 -0500 |
| Publisher: | U.S. Geological Survey |
