Light propagation in a horizontally homogeneous Lambertian foliage: Analytically solvable models

Details Light propagation in a horizontally homogeneous Lambertian foliage: Analytically solvable models Light propagation in a horizontally homogeneous Lambertian foliage: Analytically solvable models

2005-05-18

arxiv.org/abs/physics/0505122v1

Physics

Computational Physics

Scientific paper

Various numerical methods exist for obtaining the radiances inside a canopy of leaves above a partly reflecting ground. In view of testing the accuracy of these diverse methods, it is desirable to have at one's disposal non-trivial models possessing analytical solutions, against which to compare numerical reuslts. Such models are obtained in the present paper, for the case of a horizontally homogeneous foliage of Lambertian leaves, modeled as a turbid medium. Our treatment is more general than usual in that we allow the top and under sides of leaves to have different optical coefficients. Besides being more realistic, this enables artificial situations, such as extreme light trapping, testing the limits of various numerical methods.

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