Reflectance

Some articles on reflectance:

Photochemical Reflectance Index
... The Photochemical Reflectance Index or PRI is a reflectance measurement developed by Dr ... PRI is defined by the following equation using reflectance (ρ) at 531 and 570 nm wavelength Some authors use The values range from -1 to 1 ...
Bi-hemispherical Reflectance
... Bi-hemispherical reflectance is the reflectance of a surface under diffuse illumination (with no direct component) ... Bi-hemispherical reflectance is the integral of the BRDF over all viewing and illumination directions of a hemisphere ...
Light Reflectance Value - Codes of Practice
... that adequate visual contrast is provided if the Light Reflectance Values (LRV) of the contrasting areas differ by at least 30 points ... Disabilities Act Accessibility Guidelines (ADAAG) recommends a 70% light reflectance value but this is not a strict requirement ... B1 = light reflectance value (LRV) of lighter area, B2 = light reflectance value (LRV) of darker area, (ADA Accessibility Guidelines) ...
Terrestrial Albedo - White-sky and Black-sky Albedo
... the proportionate sum of two terms the directional-hemispherical reflectance at that solar zenith angle, and the bi-hemispherical reflectance, the proportion concerned being defined as the proportion of diffuse ... Albedo can then be given as Directional-hemispherical reflectance is sometimes referred to as black-sky albedo and bi-hemispherical reflectance as white-sky albedo ...
Krutovite - Physical Properties
... Krutovite has high degree of reflectance about 64.0-67.0% higher than known nickel arsenides and sulfarsenides (Vinogradova, et al ... The spectrum of reflectance that occurs in krutovite has a wavelength range of 440-1100 and a minimum of 480-540 nm ... The rose tint gives the small increase of reflectance in the violent and red parts of the spectrum (Vinogradova, et al ...