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Directional-hemispherical reflectance

Directional-hemispherical reflectance is the reflectance of a surface under direct illumination. Directional-hemispherical reflectance is the integral of the bidirectional reflectance distribution function over all viewing directions. It is sometimes called "black-sky albedo".

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Jul 4, 2026
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Directional-hemispherical reflectance is the reflectance of a surface under direct illumination (with no diffuse component).1 Directional-hemispherical reflectance is the integral of the bidirectional reflectance distribution function over all viewing directions. It is sometimes called "black-sky albedo".1

References

References

  1. Wang, Z.; Zeng, X.; Barlage, M.; Dickinson, R. E.; Gao, F.; Schaaf, C. B. (2004-02-01). "Using MODIS BRDF and Albedo Data to Evaluate Global Model Land Surface Albedo". Journal of Hydrometeorology. 5 (1): 3–14. doi:10.1175/1525-7541(2004)005<0003:umbaad>2.0.co;2. ISSN 1525-755X.
See also

See also