INTRODUCTION
Hydrologic Frequency Analysis
General Aspects and Approaches
Other Models
Return Period, Probability, and Plotting Positions
Flood Frequency Models
Hydrologic Risk
Regionalization
Tests on Hydrologic Data
SELECTION AND EVALUATION OF PARENT DISTRIBUTION: CONVENTIONAL MOMENTS
Moments of Distributions and Their Sample Estimates
Moment Ratio Diagrams (MRDs)
Probability Plots
Selection of Distributions
Regional Homogeneity and Regionalization
SELECTION AND EVALUATION OF PARENT DISTRIBUTIONS: PROBABILITY WEIGHTED MOMENTS AND L-MOMENTS
Moments of Distributions and Their Sample Estimates
L-Moment Ratio Diagrams
Goodness of Fit Tests
A Case Study
PARAMETER AND QUANTILE ESTIMATION
Introduction
Parameter Estimation
Quantile Estimation
Confidence Intervals
NORMAL AND RELATED DISTRIBUTIONS
Normal Distribution
Two-Parameter Lognormal (LN(2)) Distribution
Three-Parameter Lognormal (LM(3)) Distribution
GAMMA FAMILY
Exponential Distribution
Two-Parameter Gamma (G(2)) Distribution
Pearson (2) Distribution
Log-Pearson (3) Distribution
U.S. Water Resources Council Method (WRCM)
EXTREME VALUE DISTRIBUTIONS
Generalized Extreme Value (GEV) Distribution
The Extreme Value Type (EV(1) Distribution
Weibul Distribution
WAKEBY FAMILY
The 5-Parameter Wakeby Distribution (WAK(5))
The 4-Parameter Wakeby Distribution (WAK(4))
The Generalized Pareto Distribution
LOGISTIC DISTRIBUTIONS
Logistic Distribution
Generalized Logistic Distribution
COMPUTER PROGRAM
Introduction
Description of Program
REFERENCES