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Meteorology
A database of terms pertaining to the scientific study of the atmosphere.
Industry: Weather
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Meteorology
Lamellar vector
Weather; Meteorology
A vector that may be represented as the gradient or ascendent of a scalar, in symbols, ∇α. Thus, a lamellar vector field is irrotational.
Langley
Weather; Meteorology
A unit of energy per unit area once commonly employed in radiation theory; equal to one gram-calorie per square centimeter. The langley is almost always used in conjunction with some time unit to ...
Joule
Weather; Meteorology
A unit of energy in the mks system equal to 107 ergs, 1 Watt second, or 0. 2389 calories.
Line width
Weather; Meteorology
A measure of the finite width of a spectral line taken as the distance between the two points either side of the line centre where the absorption has dropped to half of its value at the center. ...
Linke turbidity factor
Weather; Meteorology
A measure of atmospheric turbidity, equal to the ratio of total optical depth to the Rayleigh optical depth. It is a function of wavelength.
Junge aerosol layer
Weather; Meteorology
A maximum in large-particle concentrations observed in the lower stratosphere between 15 and 25 km.
La serpe
Weather; Meteorology
A long strip of cloud that sometimes lies against the southern base of Mount Etna in Sicily. It is said to herald rain. See contessa di vento.
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