Question: CALCULATION BASED ON SUBJECT HYDROLOGY AND WATER RESOURCES ENGINEERING ( ANSWER IN 1 5 MINUTE ) ( a ) According to Sherman ( 1 9
CALCULATION BASED ON SUBJECT HYDROLOGY AND WATER RESOURCES ENGINEERING ANSWER IN MINUTE
a According to Sherman unit hydrograph can be defined as a basin outflow resulting from inch of direct runoff generated uniformly over the drainage area at a uniform rainfall rate during a specified period of rainfall duration. Sketch and label the typical storm hydrograph and rainfall hyetograph for a drainage basin.
Menurut Sherman unit hidrograf boleh didefinisikan sebagai lembangan aliran keluar yang berpunca daripada inci aliran langsung yang dihasilkan secara seragam di atas kawasan saliran pada kadar hujan yang seragam selama tempoh hujan yang ditentukan. Lakarkan dan label hidrograf badai khas dan hetograf hujan untuk kolam saliran.
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b Table shows the hr unit hydrograph UH for Sungai Perlis basin. Jadual menunjukkan ljam unit hidrograf UH bagi lembangan Sungai Prlis
Table : hr Unit Hidrograph
Jadual : Ijam Unit Hidrograf
tableTime hrUH hr
i Transform this hydrograph data to a hr UH and sketeh the graphs. Tukarkan data hidrograf ini kepada jam UH
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ii Evaluate and convert the Scurve ordinate to
Nilai dan tukarkan ordinat lengkungS kepada UHJam.
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iii Sketch the UHHr and UHHr graph and examine the Qp and tb for both UH graph.
Lakarkan graf UHJam dan UHJam dan periksa nilai Qp dan tb bagi keduadua graf UH
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