Meteorology

Meteorology

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

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Meteorology

hydromagnetics

Weather; Meteorology

The study of the behavior of an electrically conducting fluid in the presence of a magnetic field.

Motion induced in the plasma of the outer magnetosphere by interaction with the solar wind. Magnetospheric convection in turn induces motions in the high-latitude ionosphere through linkage along the ...

magnetron

Weather; Meteorology

A self-excited oscillator used as a radar transmitter tube. Magnetrons are characterized by high peak power, small size, efficient operation, and low operating voltage. Emitted electrons interact ...

magnetosphere

Weather; Meteorology

The region in which dynamical motions are strongly influenced, or even dominated, by the earth's magnetic field as a result of plasma effects. The magnetosphere extends from the F-region of the ...

magnetopause

Weather; Meteorology

The sharp boundary between the earth's magnetosphere and the solar wind of interplanetary space. The magnetopause represents the outer termination of the earth's atmosphere and extends from a ...

magnetometer

Weather; Meteorology

General name for an instrument that measures the earth's magnetic field intensity. See sine galvanometer.

magneto-ionic theory

Weather; Meteorology

The theory of the propagation of electromagnetic waves by an ionized medium in an external magnetic field. It applies to the propagation of radio waves in the ionosphere. See also magnetic double ...