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Lecture 29

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  STOCHASTIC HYDROLOGY Lecture -29 Course Instructor : Prof. P. P. MUJUMDAR Department of Civil Engg., IISc. ! #!$ ! &'!'(') *+ &,!) ,)  - &.//012 34 567 8179:3.; <7=5.17 ã   Goodness of fit  –   Chi-square test  –   Kolmogorov-Smirnov test ( ) 221 k i idatai i  N E  E   !  = = #  2 21 , 1 data k p !      # # # < ( ) ( ) ii maximum PxFx ! =   !  < ! o    INTENSITY-DURATION-FREQUENCY (IDF) CURVES  ã   Hydrologic Designs : First step is the determination of design rainfall  –   e.g., urban drainage system - rainfall intensity used in designs ã   Intensity – Duration – Frequency (IDF) relationships (curves) used for the purpose. ã    An IDF curve gives the expected rainfall intensity of a given duration of storm having desired frequency of occurrence. ã   IDF curve is a graph with duration plotted as abscissa, intensity as ordinate and a series of curves, one for each return period. > IDF Curves

Term i Nologies

Jul 23, 2017

Final

Jul 23, 2017
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