Page - 550 - in Book of Full Papers - Symposium Hydro Engineering

Ciawi Sukamahi 1 18-Jan-04 73.19 13.12 2 18-Jan-05 119.34 21.39 3 23-Jan-06 100.63 18.03 4 03-Feb-07 360.91 64.68 5 12-Mar-08 125.96 22.57 6 13-Jan-09 117.72 21.1 7 12-Feb-10 218.19 39.1 8 17-Nov-11 78.31 14.03 9 13-Dec-12 103.63 18.57 10 04-Mar-13 253.34 45.4 No History of Floods Discharge (m3/s) Discharge jan Feb Mar Apr May Jun Jul Ags Sep Oct Nov Dec (m3/s) Q > 53,17 75 120 36 16 12 0 5 6 7 8 16 16 Q > 163,07 0 8 1 0 0 0 0 0 0 0 0 0 Q > 261,15 0 5 0 0 0 0 0 0 0 0 0 0 The Frequency of Occurrence (time) Based on hourly data from Katulampa AWLR and Cibogo AWLR in period of 2004 – 2013, the history of flood in Ciawi Dam and Sukamahi Dam are: Table 2 Flood Event in Ciawi Dam and Sukamahi Dam From the AWLR discharge data, besides the flood event is known, the flood frequency along the year can be studied in Ciawi Dam and Sukamahi Dam. If the discharge in the Katulampa Weir are known, so by using the catchment ratio, the discharge in Ciawi and Sukamahi Dam could be predicted. Table 3 Flood Frequency in One Year at Ciawi Dam Fig. 4 Flood Frequency in One Year at Ciawi Dam 550