| Abstract: | Techniques are presented for estimating the magnitude and frequency of peak discharges and storm runoff on stream in urban areas of Memphis, Tennessee. Comprehensive analyses were made in which physical characteristics of streams are related to snythetic flood characteristics at gaging stations. Equations derived from analyses provide estimates of peak discharges with recurrence intervals of 2 to 100 years on streams that have drainage areas less than 20 square miles. The regression analyses indicated that size of drainage area and condition of channel (paved or unpaved) are the most significant basin characteristics affecting the magnitude and frequency of floods in urban streams. Data from 27 gaging stations with 8 years of record were used in the analyses. Flood frequency at each gaging station was computed from calibrated parameters in a rainfall-runoff model. Techniques are also presented for estimating discharge hydrographs for individual floods by using the unit hydrograph, lag time, and rainfall excess. (USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 28853 |
| Citation Author: | Neely, B. L. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | iv, 51 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: | 84-4110 |
| Citation Search Results Text: | Flood frequency and storm runoff of urban areas of Memphis and Shelby County, Tennessee; 1984; WRI; 84-4110; Neely, B. L. |
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| Citation Year: | 1984 |
| Type: | citation/reference |
| Text: | Flood frequency and storm runoff of urban areas of Memphis and Shelby County, Tennessee; 1984; WRI; 84-4110; Neely, B. L. |
| URL (THUMBNAIL): | http://pubs.er.usgs.gov/thumbnails/wri_84_4110.jpg |
| URL (INDEX PAGE): | http://pubs.water.usgs.gov/wri844110 |
| Date Other: | Sat, 1 Jan 1994 00:00 -0600 |
| Publisher: | U.S. Geological Survey, |
