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Examination of the Spencer-McCuen Outlier-Detection Test for Log-Pearson Type 3 Distributed Data
Publisher: American Society of Civil Engineers
Abstract: Identification of outliers in flood records can be an important step in a robust flood frequency analysis procedure. Bulletin 17B includes the Grubbs-Beck test (with α=10%) as an objective criterion of whether the smallest ...
Log-Pearson Type 3 Distribution and Its Application in Flood Frequency Analysis. I: Distribution Characteristics
Publisher: American Society of Civil Engineers
Abstract: Since the adoption of the log-Pearson Type 3 (LP3) distribution by U.S. federal agencies, it has been widely used in hydrology, but its properties are not well understood. This paper explores the characteristics of the LP3 ...
Closure to “Log-Pearson Type 3 Distribution and Its Application in Flood Frequency Analysis. II: Parameter Estimation Methods” by V. W. Griffis and J. R. Stedinger
Publisher: American Society of Civil Engineers
Log-Pearson Type 3 Distribution and Its Application in Flood Frequency Analysis. II: Parameter Estimation Methods
Publisher: American Society of Civil Engineers
Abstract: A number of parameter estimation methods for the log-Pearson type 3 distribution have been explored in the hydrologic literature, including the method of moments (MOM) in both log space and real space, maximum likelihood ...
Log-Pearson Type 3 Distribution and Its Application in Flood Frequency Analysis. III: Sample Skew and Weighted Skew Estimators
Publisher: American Society of Civil Engineers
Abstract: The accuracy of flood quantile estimates is constrained by the data available at a site. To improve the accuracy of quantile estimators,
Generating Synthetic Streamflow Forecasts with Specified Precision
Publisher: American Society of Civil Engineers
Abstract: Synthetic hydrologic forecasts are often needed to evaluate water resources planning and management strategies when appropriate historical forecasts are not available. Synthetic forecasts can be generated to evaluate system ...