Daily Absorbed Solar Radiation at Air-Water Interface
T. A. Carroll
R. D. Noble
AbstractA single analytical expression is developed which describes the daily total absorbed solar radiation at an air-water interface. This function is valid for latitudes between 23.45° and 58.80°. The development assumes that the incoming solar radiation vector is constant. This implies clear sky or constant cloud cover conditions. Reflectance at the water surface is accounted for as well as the daily variation in solar declination. Accuracy of the developed equation is very good when compared to actual values. This function can be very useful in developing analytical models of temperature distributions in water systems. It can be used to provide limiting or average values of temperature variations.
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