| Abstract: | Procedures for estimating 3-day 2-year, 3-day 10-year, 3-day 20-year, and 7-day 10-year low flows at ungaged stream sites in Tennessee are based on surface geology and drainage area size. One set of equations applies to west Tennessee streams, and another set applies to central and east Tennessee streams. The equations do not apply to streams where flow is significantly altered by activities of man. Standard errors of estimate of equations for west Tennessee are 24 to 32% and for central and east Tennessee 31 to 35%. Streamflow recession indexes, in days/log cycle, are used to account for effects of geology of the drainage basin on low flow of streams. The indexes in Tennessee range from 32 days/log cycle for clay and shale to 350 days/log cycle for gravel and sand, indicating different aquifer characteristics of the geologic units that sustain streamflows during periods of no surface runoff. Streamflow recession rate depends primarily on transmissivity and storage characteristics of the aquifers, and the average distance from stream channels to basin divides. Geology and drainage basin size are the most significant variables affecting low flow in Tennessee streams according to regression analyses. (Author ‘s abstract) |
| Genre: | USGS Numbered Series |
| ProdID: | 26215 |
| Citation Author: | Bingham, R. H. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | iv, 63 p. :ill., maps ;28 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 85-4191 |
| Citation Search Results Text: | Regionalization of low-flow characteristics of Tennessee streams; 1986; WRI; 85-4191; Bingham, R. H. |
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| Citation Year: | 1986 |
| Type: | citation/reference |
| Text: | Regionalization of low-flow characteristics of Tennessee streams; 1986; WRI; 85-4191; Bingham, R. H. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/usgs_thumb.jpg |
| URL (INDEX PAGE): | http://pubs.water.usgs.gov/wri85-4191 |
| URL (PLATE): | http://pubs.usgs.gov/wri/1985/4191/plate-1.pdf |
| URL (PLATE): | http://pubs.usgs.gov/wri/1985/4191/plate-2.pdf |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
