Magnitude and frequency of floods in western Oregon
Open-File Report
79-553
By: David Dell Harris, Larry L. Hubbard, and Lawrence E. Hubbard
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Abstract
A method for estimating the magnitude and frequency of floods is presented for unregulated streams in western Oregon. Equations relating flood magnitude to basin characteristics were developed for exceedance probabilities of 0.5 to 0.01 (2- to 100-year recurrence intervals). Separate equations are presented for four regions: Coast, Willamette, Rogue-Umpqua, and High Cascades. Also presented are values of flood discharges for selected exceedance probabilities and of basin characteristics for all gaging stations used in the analysis. Included are data for 230 stations in Oregon, 6 stations in southwestern Washington, and 3 stations in northwestern California. Drainage areas used in the analysis range from 0.21 to 7,280 square miles. Also included are maximum discharges for all western Oregon stations used in the analysis. (Woodard-USGS)
Suggested Citation
Harris, D.D., Hubbard, L.L., and Hubbard, L.E., 1979, Magnitude and frequency of floods in western Oregon: U.S. Geological Survey Open-File Report 79-553, v, 51 p., 2 sheets :ill., maps (2 fold. in pocket) ;27 cm., https://doi.org/10.3133/ofr79553.
ISSN: 2331-1258 (online)
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Magnitude and frequency of floods in western Oregon |
| Series title | Open-File Report |
| Series number | 79-553 |
| DOI | 10.3133/ofr79553 |
| Year Published | 1979 |
| Language | ENGLISH |
| Publisher | U.S. Geological Survey, |
| Contributing office(s) | Oregon Water Science Center |
| Description | v, 51 p., 2 sheets :ill., maps (2 fold. in pocket) ;27 cm. |