Meteorology

Meteorology

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

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Meteorology

semi-Lagrangian method

Weather; Meteorology

A physically motivated numerical technique for solving the advection (transport) equation. In the advective form, ''DQ''/''Dt'' = 0, where ''D''( )/''Dt'' is the total derivative, and “mixing ...

storm model

Weather; Meteorology

A physical, three-dimensional representation of the inflow, outflow, and vertical motion of air and water vapor in a storm. It is used in hydrometeorology as the basis for computing the effective ...

spectrophotometer

Weather; Meteorology

A photometer that measures the intensity of radiation as a function of frequency (or wavelength) of the radiation. In one design, radiation enters the spectrophotometer through a slit and is ...

photoconductive cell

Weather; Meteorology

A photoelectric cell with electrical resistance that varies with the amount of illumination falling upon the sensitive area of the cell. Conductivity = 1/(resistivity).

A phenomenon in which sound or radio energy may be detected only at various distance intervals from the energy source, as the result of the presence of an energy reflecting or refracting layer in the ...