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An Architecturally Realistic Model For Radiation Regime In Vegetation Canopies

A computer model, Diana, which allows architecturally realistic generation of vegetation canopies and radiation regime within such canopies is described. The model is applied to calculate radiation regime within and outside a corn canopy. canopy bidirectional reflectance factor (BRF) is compared against that for a canopy approximated by a turbid medium. illustrated through optical scattering from four nonvegetative object--a simulated mountain, partially covered with snow; a turreted-castle; a lake-side cottage; and a room, illuminated with two lamps. The calculated The generality of the model is