Question

2. Refer to the rainfall and streamflow data tabulated below for the area of 280 [km]. Time Observed Gross hPrecipitation (GRH) [cm/h] 0.25 3.00 2.75 Time (h) Hydrograph 160 150 350 800 025 1200 4 900 700 550 350 250 160 140 10 (a) Obtain an Unit Hydrograph (UH) of these series. In this process, use the horizontal straight-line method to separate baseflow. [10pt] (b) Can you also transfer the UH obtained from (a) to the 6-hour UH for this basin? [10ptl 2. Refer to the rainfall and streamflow data tabulated below for the area of 280 [km] Gross (h)Precipitatiorn (GRH) [cm/h Observed Time Time (b)Hydrographh) Precipitation 0.25 3.00 2.75 160 150 350 800 2- 3 0.25 1200 550 350 250 160 140 10

Answer 1

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5.028 3-028 G-023 5028-49 ,65㎡s 5.02% 7hrsd 400-7955咧. 5 02% 5-021 39.7831s. 19.9 5 U28 5 028 288-68

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rolum@丶colu«Nx Cofum De)公判 Column C Csumn(2-01-J el C fe, DRH 160 1 60 238. 68 39.78 715.68 129. 28 650 252.9 208.33 OsD 1200 894 99 (44.165 7S0 656.3 550 700 471.3 7 550 79.55 238. 69 39-78 8 35D 119. 3 19. 89 250 1 1.134 989 「60 I40 4p0