Difference between revisions of "Cyanometry"
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Cyanometry
The study and measurement of the blueness of the sky.
The characteristic blue color of clear skies is due to preferential scattering
of the short wavelength components of visible sunlight by air molecules.
Presence of foreign particles in the atmosphere alters the scattering
processes in such a way as to reduce the blueness. Hence spectral analysis of
diffuse
sky radiation provides useful information concerning the scattering
particles.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
