Introduction to Flood
Mrinmoy Majumder
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Introduction to Flood
255 просмотров · 4 года назад
Mrinmoy Majumder
595 подписчиков
255 просмотров · 4 года назад
Introduction to Flood
Outline :
1. Definition
2. Empirical method of Flood Peak Estimation
Rational Equation
Unit hydrograph technique
Flood frequency studies
3. Rational Method
Time of Concentration
Rainfall Intensity
4. Characteristics of Empirical Formulae
5. Dickens Formula
6. Ryves Formula
7. Inglis Formula
8. Fullers Formula
9. Baird and Mcillwraith(1951)
10. Estimation of Flood from Frequency Analysis
11. Probable density function (PDF)
Gumbel distribution
Normal Distribution
Log-Normal Distribution
Normal distribution of the Logarithm of Variate.
Pearson Type III Distribution
Log-Pearson Distribution
Pearson distribution of the Logarithm of the Variates.
12. Plotting Position Probability(PPP)
Bulletin 17B PPP
Weibull PPP for Uniformly Distributed Dataset
Hazen PPP for Uniformly Distributed Dataset
Cunnane PPP for Uniformly Distributed Dataset
13. Determination of the Flood Magnitude
Hydrologic Frequency Analysis
14. Adjustment for Urbanization
Rational Equation(modified for urbanization)
15. Urban Adjustment Factor(Leopold,1968)
16. Probable Maximum Precipitation
Hershfield Method
Frequency Factor Calculation
Homogeneity of Dataset
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