| Abstract: | Use of channel measurements to estimate discharge characteristics of ungaged streams has shown that little agreement exists for the slope of the width-discharge regression relation. Three groups of perennial stream channels with differing characteristics were selected for study using consistent procedures of width measurement. A common feature of the groups was general channel stability, that is, absence of excessive widening by recent extremely high discharges. The groups were: (1) 32 channels of gradient exceeding 0.0080, low suspended-sediment discharge, high channel roughness, and low discharge variability; (2) 13 streams of similar climatic conditions and having at least 70 percent silt and clay in the bed material; and (3) 18 spring-discharge channels with steady discharge and similar climate. Values for the exponent for the three groups are 1.98, 1.97, and 1.97, respectively; coefficient values are 0.017, 0.042, and 0.011 (when using metric units). Assuming a constant exponent of 2.0, equations were developed expressing the manner in which channel sediment affects the width-discharge relation. (Woodard-USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 28967 |
| Citation Author: | Osterkamp, W. R. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | iv, 11 p. :ill. ;26 cm. |
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| Citation Publisher: | U.S. Geological Survey, Water Resources Division, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 79-15 |
| Citation Search Results Text: | Variation of alluvial-channel width with discharge and character of sediment; 1979; WRI; 79-15; Osterkamp, W. R. |
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| Citation Year: | 1979 |
| Type: | citation/reference |
| Text: | Variation of alluvial-channel width with discharge and character of sediment; 1979; WRI; 79-15; Osterkamp, W. R. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, Water Resources Division, |
