Question

1) Find the daily evaporation from a reservoir for a day on which the following data were observedusing a U.S. Standard Class A pan located near a reservoir. Find the daily evaporation using both thesimple formula and the refined formula. Air temperature at 4 m (mean) = 21°CReservoir maximum temperature = 20°CReservoir minimum temperature = 17°CPan maximum temperature = 22°CPan minimum temperature = 14°CRelative humidity = 68%Pan evaporation = 12 mm

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