File : pdf, 7.5 MB, 149 pages
TOC
1 INTRODUCTION
Definitions
Need for Hydrologic Frequency Estimates
Need for Professional Judgement
2 FREQUENCY ANALYSIS
Duration Curves
Selection of Data for Frequency Analysis
Graphical Frequency Analysis
Analytical Frequency Analysis
3 FLOOD FREQUENCY ANALYSIS
Log-Pearson Type III Distribution
Weighted Skew Coefficient
Expected Probability
Risk
Conditional Probability Adjustment
Two-Station Comparison
Flood Volumes
Effects of Flood Control Works on Flood Frequencies
Effects of Urbanization
4 LOW-FLOW FREQUENCY ANALYSIS
Uses
Interpretation
Application Problems
5 PRECIPITATION FREQUENCY ANALYSlS
General Procedures
Available Regional Information
Derivation of Flood-Frequency Relations from Precipitation
6 STAGE(ELEVATION)-FREQUENCY ANALYSIS
Uses
Stage Data
Frequency Distribution
Expected Probability
7 DAMAGE-FREQUENCY RELATIONSHIPS
Computation of Expected Annual Damage
Equivalent Annual Damage
8 STATISTICAL RELIABILITY CRITERIA
Objective
Reliability of Frequency Statistics
Reliability of Frequency Curves
9 REGRESSION ANALYSIS AND APPLICATION TO REGIONAL
Nature and Application
Calculation of Regression Equations
The Correlation Coefficient and Standard Error
Simple L’ink’Regression Example Factors Responsible of Nondetermination
Multiple Linear Regression Example
Partial Correlation
Verification of Regression Results
Regression by Graphical Techniques
Practical Guidelines
Regional Frequency Analysis
10 ANALYSIS OF MIXED POPULATIONS
Definition
Procedure
Cautions
11 FREQUENCY OF COINCIDENT FLOWS
Introduction
A Procedure for Coincident Frequency Analysis
12 STOCHASTIC HYDROLOGY
Applications
Basic Procedure
Monthly Streamflow Model
Data Fill In
Application In Areas of Limited Data
Daily Streamflow Model
Reliability
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[...] 2.2. Storm Runoff 2.3. Analysis of Gaged Data 2.4. Rainfall Intensity-Duration-Frequency Analysis 2.5. The Rational Method 2.5.1. Equation and Assumptions 2.5.2. Runoff Coefficient 2.5.3. Time of Concentration 2.5.4. Rainfall Intensity 2.5.5. Drainage Area 2.5.6. Computing the Design Discharge for Complex Drainage Areas 2.6. Regression Methods 2.7. HYDRAIN Computer System [...]
[...] Chapt 6 Hydrologic Frequency Determinations Introduction Duration Curves Flood-Frequency Determinations Estimating Frequency Curves Effect of Basin Developments on Frequency Relations Selection of Frequency Data Climatic Variations Frequency Reliability Analysis Presentation of Frequency Analysis Results [...]
[...] 4. ICE FORECASTING Section I. General Long-Term Water Temperature Forecasts Surveys Needed Hydrology and Hydraulic Studies Identification of Ice Problem Locations Section II. Mid-Winter Ice Forecasts [...]
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