Meteorology

Meteorology

A database of terms pertaining to the scientific study of the atmosphere.

Industry: Weather

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Meteorology

Lagrangian hydrodynamic equations

Weather; Meteorology

Hydrodynamic equations of motion, using coordinates of fluid particles as the dependent variables. The independent variables are time and coordinates representing the fluid particles themselves, for ...

Lyman alpha emission line

Weather; Meteorology

Feature in the emission spectrum of solar radiation, identified with neutral hydrogen, that occurs at a wavelength of 121. 567 nm. Because of the extremely low absorption cross section of molecular ...

law of storms

Weather; Meteorology

Historically, the general statement of 1) the manner in which the winds of a cyclone rotate about the cyclone's center, and 2) the way that the entire disturbance moves over the earth's surface. The ...

karema wind

Weather; Meteorology

A violent east wind on Lake Tanganyika in Africa.

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 ...