Flood frequency: expected and unexpected probabilities
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Abstract
Flood-frequency curves may be defined either with or without an ' expeced probability ' adustment; and the two curves differ in the way that they attempt to average the time-sampling uncertainties. A curve with no adustment is shown to estimate a median value of both discharge and frequency of occurrence, while an expected probability curve is shown to estimate a mean frequency of flood years. The attributes and constraints of the two types of curves for various uses are discussed.
Publication type | Report |
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Publication Subtype | USGS Numbered Series |
Title | Flood frequency: expected and unexpected probabilities |
Series title | Open-File Report |
Series number | 76-775 |
DOI | 10.3133/ofr76775 |
Year Published | 1976 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Description | iii, 7 p. |
Online Only (Y/N) | N |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |