A technique used to detect atmospheric constituents or related parameters such as atmospheric extinction coefficient.
attenuation coefficient"(Also called extinction coefficient, especially in reference to optical frequencies.) For radiation propagating through a medium, the fractional depletion of radiance per unit pathlength, or in radar usage, ...
LOCAL VISUAL DISTANCE: The meteorological visual range, which can be estimated from the average extinction coefficient using the Koschmieder equation: Lv = 3.
The depth of this layer, which is about 80 m, is determined by the water's extinction coefficient, the cloudiness, and the sunlight's angle of incidence.
 See also: Weather, Air, Water, Energy, Meteor
  
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