Meteorology

Meteorology

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

Industry: Weather

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Meteorology

lightning arrester

Weather; Meteorology

Any device designed to carry to the ground (to “ground”) the short-duration surge currents that appear on power lines and telephone lines during severe thunderstorms. Early forms of arresters ...

Lagrangian equations

Weather; Meteorology

Any of the fundamental equations of hydrodynamics expressed in Lagrangian coordinates. In the Lagrangian description, the independent variables are time and a set of particle labels (such as the ...

layers

Weather; Meteorology

Any of a number of altitude regions found in the atmosphere, each of which can be characterized by unique physical or chemical properties. These layers can exist as the result of chemistry or ...

luminescence

Weather; Meteorology

Any emission of light at temperatures below that required for incandescence.

An ocean surface at a depth where the current speed is assumed to be zero. The determination of currents through the dynamic method gives only relative speeds, therefore an ocean surface at depth has ...

Lambrecht's polymeter

Weather; Meteorology

An obsolete device that combines a mercury barometer and a hair hygrometer in a manner such that the dewpoint temperature is derived.

kriging

Weather; Meteorology

An interpolation procedure used to estimate a variable at unsampled locations using weighted sums of the variable at neighboring sample points. The procedure is designed to minimize the variance of ...