| Abstract: | A method is presented for estimating the magnitude and frequency of floods for urban streams in metropolitan Atlanta. The method is based on adjustments to the natural stream flood-frequency and rainfall-frequency characteristics of the local area as defined by urban flood studies in other areas. The effects of urbanization on flood-peak runoff are estimated from the percentage of drainage basin that is impervious and the percentage of drainage area served by storm sewers. Equation are presented for estimating the 2-, 5-, 10-, 25-, 50-, and 100-year flood peak discharges for basin sizes from 0.5 to 100 square miles in the Atlanta metro area. Data from 12 urban streams in the Atlanta area were used to obtain a qualitative verification of the 2- and 100-year estimating equations. Hydrologic data are presently being collected for a study that will provide a data base for use in hydrologic models to develop more reliable urban flood-frequency relations. (Woodard-USGS) |
| Genre: | USGS Numbered Series |
| ProdID: | 27354 |
| Citation Author: | Golden, Harold G. |
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| Citation Language: | ENGLISH |
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| Citation Phsyical Description: | 16 p. :ill. ;26 cm. |
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| Citation Publisher: | U.S. Geological Survey, |
| Citation Series: | Water-Resources Investigations Report |
| Citation Series Code: | WRI |
| Citation Series Number: | 77-57 |
| Citation Search Results Text: | Preliminary flood-frequency relations for urban streams, Metropolitan Atlanta, Georgia; 1977; WRI; 77-57; Golden, Harold G. |
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| Citation Year: | 1977 |
| Type: | citation/reference |
| Text: | Preliminary flood-frequency relations for urban streams, Metropolitan Atlanta, Georgia; 1977; WRI; 77-57; Golden, Harold G. |
| 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, |
