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Water from 620-hectare reservoir was being pumped with a constant rate for 30 days. Compute the...

Water from 620-hectare reservoir was being pumped with a constant rate for 30 days. Compute the constant pumping rate (in cubic meter per day) if during the 30 days period reservoir level dropped 0.65 meter despite an average upstream inflow of 230,000 m3/day. During the 30 days period, the total seepage loss was 3.0 cm, the total precipitation was 16.0 cm, and the total evaporation was 10.5 cm. (1 hectare = 10,000 m2).

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