Perbedaan Hasil Perhitungan Debit Terukur dengan Debit JanaFlow_14 Hujan Terukur

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The research on flood design in the river catchment area of Code using synthetic unit hydrograph Gama I is software JanaFlow_Code_14. Flood discharge analysis JanaFlow_Code_14 (Q_JF) using measured rain data and JanaFlow_Code_14 software. The river debit recorded in the Automatic Water Level Recorder (AWLR) is actual discharge (Q_aktual). The result of Q_aktual and Q_JF calculation there is difference of result which is average of underestimed because average of Q_JF is lower than Q_aktual. The biggest difference between Q_aktual and Q_JF occurs on April 22, 2015 with the discharge difference is -16.73 m³/s, and the average difference between Q_aktual and Q_JF is -1.98 m³/s. Factors that influence the results of different discharge calculations are the rain distribution patterns, the river catchment area characteristics, and the use of synthetic unit hydrograph Gama I in JanaFlow_Code_14 calculations.