Using a geometrical-optical model to calculate the bidirectional and hemispherical reflectance of forested slopes

Crystal Barker Schaaf; Xiaowen Li; Alan H. Strahler

doi:10.1117/12.200741

31 January 1995 Using a geometrical-optical model to calculate the bidirectional and hemispherical reflectance of forested slopes

Crystal Barker Schaaf, Xiaowen Li, Alan H. Strahler

Author Affiliations +

Proceedings Volume 2314, Multispectral and Microwave Sensing of Forestry, Hydrology, and Natural Resources; (1995) https://doi.org/10.1117/12.200741
Event: Satellite Remote Sensing, 1994, Rome, Italy

Abstract

The Li-Strahler geometric-optical model has been used with some success to simulate the bidirectional and hemispherical reflectance of forest canopies. Although the canopies modeled thus far may have contained trees of widely varying heights, the underlaying terrain has always been represented as level ground. Recently, however, the model has been extended to accommodate sloping terrain in its computation of the forest bidirectional reflectance distribution function (BRDF) and spectral surface albedo. With the model accommodating topography, it has been possible to compute and compare the reflective character of realistic forest canopies on a variety of slopes and aspects.

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Crystal Barker Schaaf, Xiaowen Li, and Alan H. Strahler "Using a geometrical-optical model to calculate the bidirectional and hemispherical reflectance of forested slopes", Proc. SPIE 2314, Multispectral and Microwave Sensing of Forestry, Hydrology, and Natural Resources, (31 January 1995); https://doi.org/10.1117/12.200741

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