Magnitude and frequency of floods in small drainage basins in North Dakota
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- Document: Report (pdf)
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Abstract
This report describes methods for estimating flood-peak discharges having 2- to 50-year recurrence intervals on North Dakota streams draining less than 100 square miles ( 259 square kilometres). For gaged sites, frequency estimates are provided directly. For ungaged sites, flood peaks are estimated from multiple-regression equations using drainage-area size and, in two regions, soil-infiltration index as estimating variables. Nomographs provide simple solutions for the equations for flood-peak discharges having recurrence intervals of 10, 25, and 50 years. The methods described are not applicable to streams draining urban areas or basins affected by man-made regulation.
Information is also provided on the maximum flood magnitude experienced.
Study Area
| Publication type | Report |
|---|---|
| Publication Subtype | USGS Numbered Series |
| Title | Magnitude and frequency of floods in small drainage basins in North Dakota |
| Series title | Water-Resources Investigations Report |
| Series number | 19-75 |
| DOI | 10.3133/wri1975 |
| Year Published | 1975 |
| Language | English |
| Publisher | U.S. Geological Survey |
| Contributing office(s) | North Dakota Water Science Center, Dakota Water Science Center |
| Description | Report: iv, 24 p.; 2 Plates: 23.94 x 17.17 inches and 23.84 x 17.07 inches |
| Country | United States |
| State | North Dakota |
| Online Only (Y/N) | Y |
| Additional Online Files (Y/N) | Y |
| Google Analytic Metrics | Metrics page |