1 to 10 days extreme rainfall studies for Kerala state
Keywords:Probable Maximum Precipitation (PMP), Rainfall, Enveloping curve, Duration, Extreme
The daily rainfall data for 80 years from 98 stations in Kerala region have been analysed to arrive at the Probable Maximum Precipitation (PMP) estimates for rainfall durations or 1 to 10 days. Hershfield's statistical technique has been adopted for the estimation of PMP from annual maximum data. The study will be useful in the estimation of extreme precipitation for computation of design floods, required for design of spillways of dams and other major hydraulic structures in the Kerala state.
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