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 (53.86 KiB) Viewed 27 times

B Annual Maximum Precipitation At Various Durations Obtained For A Rainfall Station 1437116 In Johor Is Given In Table 2 (73.25 KiB) Viewed 27 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 BI {0.5772 + In [(In) where P = 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. (0.5772+ (1) Kr == 1996 1997 1998 1999 2000 2001 TL Table Qla: Annual Maximum Precipitation Year 1-hr 1990 53.9 1991 57.8 1992 59.5 1993 1994 1995 In 80.5 61.7 62.7 77.2 42.3 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 5-hr 79 87.8 91.8 103 85.5 120.5 127 99.1 103.4 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
2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 State No. 98 65.3 63.2 64 72.5 68 67.8 105.8 72.1 76 62.5 83.8 62.1 51.1 53.1 51.6 56.7 61.5 Johor 1 2 3 100.8 86.6 81 102.7 158.8 150.3 96.5 166.2 83.7 106.4 84.4 126.5 93.6 82 102.3 81 68.5 74.6 103.3 97.4 109.4 103.1 209.8 181 113.7 173.1 84.4 106.9 84.9 127 101.2 82.6 102.8 93 69 75.1 Station Name 1437116 Stor JPS Johor Bahru 1534002 Pusat Kem. Pekan Nenas 1541139 Johor Silica 4 1636001 Balai Polis Kg Seelong 5 1737001 SM Bukit Besar 6 1839196 Simpang Masal K. Sedili 7 1931003 Emp. Semberong 8 2025001 Pintu Kaw. Tg. Agas 146.2 118.7 Table Q1b: Fitting Constants for the IDF Empirical Equation Station ID 171.9 111.9 316.9 307.7 116.2 174 87.7 138.5 101.6 127.4 114.5 82.6 102.8 110 77.4 85.9 2 59.972 54.265 59.060 50.115 50.554 61.562 60.568 80.936 K Constants 0.163 0.179 0.202 0.191 0.193 -0.191 0.163 0.187 0 0.121 0.100 0.128 0.099 0.117 0.103 0,159 0.258 77 0.793 0.756 0.660 0.763 0.722 0.701 0.821 0.890