Penetration of Solar Irradiances Through the Atmosphere and Plant Canopies

J. A. Weinman Dept. of Meteorology, University of Wisconsin, Madison 53706

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P. J. Guetter Dept. of Meteorology, University of Wisconsin, Madison 53706

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Abstract

The equation of radiative transfer is applied to the analysis of solar irradiances penetrating into a plant canopy covered by a turbid atmosphere. The method of discrete coordinates is applied to vertically inhomogeneous atmospheres and plant canopies. It is shown that four-point quadrature yields results with an accuracy which is consistent with irradiance measurements.

Abstract

The equation of radiative transfer is applied to the analysis of solar irradiances penetrating into a plant canopy covered by a turbid atmosphere. The method of discrete coordinates is applied to vertically inhomogeneous atmospheres and plant canopies. It is shown that four-point quadrature yields results with an accuracy which is consistent with irradiance measurements.

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