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Publication Citation
| USGS Series | Water Supply Paper |
|---|---|
| Report Number | 2420 |
| Title | Procedures for estimating unit hydrographs for large floods at ungaged sites in Montana |
| Edition | - |
| Language | ENGLISH |
| Author(s) | Holnbeck, Stephen R.; Parrett, Charles |
| Year | 1996 |
| Originating office | |
| USGS Library Call Number | (200) G no.2420 |
| Physical description | v, 60 p. :ill., maps ;28 cm. |
| ISBN |
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Abstract
Flood hydrographs for 26 gaging stations and rainfall data were used together with a rainfall-runoff simulation model to derive unit hydrographs and important unit-hydrograph variables. Methods were developed for estimating unit hydrographs at ungaged sites using either the Clark or dimensionless unit-hydrograph methods. The 26 derived unit hydrographs were compared with those calculated by the two estimation methods. The two methods performed about equally well in matching derived unit-hydrograph peaks and shapes.
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