b) Annual maximum precipitation at various durations obtained for a rainfall station 1437116 in Johor is given in Table

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B Annual Maximum Precipitation At Various Durations Obtained For A Rainfall Station 1437116 In Johor Is Given In Table 1 (49.81 KiB) Viewed 41 times

b) Annual maximum precipitation at various durations obtained for a rainfall station 1437116 in Johor is given in Table Q1a below. Determine rainfall intensity, i at 2 and 50 ARI for 1-hr and 24-hr durations if the rainfall extremes follow the distribution stated in the frequency factor of the form Kr √6 7 {0.5772 + In [(In where Pr = P + Krs. Estimate i also using the empirical equation for similar durations as above, with the fitting constants summarized in Table Q1b. Discuss the results. Kr=- TU Year 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 (0.5772+ In () in Table Qla: Annual Maximum Precipitation. 1-hr 5-hr 53.9 79 57.8 87.8 59.5 91.8 80.5 103 61.7 85.5 62.7 120.5 77.2 127 42.3 99.1 60.6 45.5 36.3 45.6 2-hr 79 78.6 83.5 103 84.3 111.7 127 91 101.9 92.8 58.3 81.6 103.4 93.4 59 108.9 24-hr 93.4 127.1 175.3 103.5 109.5 120.5 129 100 123.9 102.7 80.4 141.4