The fraction of the energy of electromagnetic radiation reflected from a body (or
surface) relative to the energy incident upon it. The reflection of light from a surface
is, of course, dependent on the wavelength
of the light, the nature of the surface and its angle
of incidence with the surface. The term albedo usually connotes a broad wavelength
band (visible, ultraviolet or infrared
), whereas the terms reflectivity and spectral albedo are used to describe the reflection
of monochromatic (single wavelength
or small band of wavelengths) radiation.
PAC, 1990, 62, 2167
(Glossary of atmospheric chemistry terms (Recommendations 1990))
on page 2173
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by
A. D. McNaught and A.Wilkinson. Blackwell Scientific Publications, Oxford (1997).
XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic,
J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook