Using the Penman equation, find the daily evaporation from a shallow lake with the following characteristics: E = 0.0269(1 + 0.15u) (es - ea), where E is in units of cm/day, u is in units of ft/s, and e, and ea are in units of mb. Mean daily temperature = 28°C Net solar radiation flux = 550 ly/day Relative humidity = 45% Wind movement (6 in. above pan) = 5.5 ft/s

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4. Using the Penman equation, find the daily evaporation from a shallow lake with the following
characteristics:
E = 0.0269(1 + 0.15u)(es - ea), where E is in units of cm/day, u is in units of ft/s, and es and ea are in
units of mb.
Mean daily temperature = 28°C
Net solar radiation flux = 550 ly/day
Relative humidity = 45%
Wind movement (6 in. above pan) = 5.5 ft/s
Transcribed Image Text:4. Using the Penman equation, find the daily evaporation from a shallow lake with the following characteristics: E = 0.0269(1 + 0.15u)(es - ea), where E is in units of cm/day, u is in units of ft/s, and es and ea are in units of mb. Mean daily temperature = 28°C Net solar radiation flux = 550 ly/day Relative humidity = 45% Wind movement (6 in. above pan) = 5.5 ft/s
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Step 1

Data given

Mean daily temperature = 280 C

Net solar radiation flux , QN = 550 ly /day

Relative humidity = 45%

Wind movement = 5.5 ft/s

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Daily evaporation from a shallow lake

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